CN110411878A - A kind of bridge construction quality detection apparatus - Google Patents

Abstract

The invention discloses a kind of bridge construction quality detection apparatus, its structure includes: transfer button, button column, support, checking spring range device, balance strut, stress pole socket, adjust wheel seat, beneficial effects of the present invention: by being equipped with balance strut in structure, stress pole socket, wheel seat is adjusted to solve this problem, balance strut, stress pole socket, adjusting wheel seat three, which be combined with each other, is able to maintain that checking spring range device is in the state of center of gravity vertically downward always, balance strut changes member position by tilt angle varied to make bearing bar carry out displacement and keep the center of gravity of checking spring range device vertically downward, the impulse force process of floating piston is the circulating acting in left and right, the position of stress pole socket can be adjusted slightly voluntarily to keep the position of balance strut that the moderate holding center of gravity of checking spring range device can be made downward, it is protected by the Numerical accuracy of each test point Demonstrate,prove the accurate reliable of overall data.

Description

A kind of bridge construction quality detection apparatus

Technical field

The present invention relates to bridge construction fields, particularly with regard to a kind of bridge construction quality detection apparatus.

Background technique

Any engineering will pass through strict inspection after completion of being completed, and can just come into operation after determining qualification, especially It is science of bridge building concerning people's livelihood safety, even more needs the object of emphasis inspection, the pier of bridge is the basic load-bearing knot of bridge Structure, concrete strength decide the load-bearing property of bridge, can adopt after bridge construction is completed and concrete surface solidifies completely Component concrete strength is determined with the carbonation depth of detection device test member, but the contact of detection device must vertically withstand on detection The surface of component simultaneously it is lower by could accurate detection means intensity, once not perpendicular to the ground there will be biggish for equipment when detecting Measured deviation, and the detection device of construction bridges is influenced often hang down with ground when detecting by the deflection of hand steering force Directly cause detection reading to have slight deviations, it is excessive to will cause whole numerical precision deviation after deviation cumulative statistics, be based on more than Premise, this case have developed a kind of bridge construction quality detection apparatus to solve this problem.

Summary of the invention

In view of the deficiencies of the prior art, the present invention is to realize by the following technical solutions:

A kind of bridge construction quality detection apparatus, structure include: transfer button, button column, support, checking spring range device, put down Weigh strut, stress pole socket, adjusting wheel seat, and the transfer button is set to button column top, and Niu Zhuyu support is connected, rest base connection Checking spring range device, balance strut and support are connected with each other, and balance strut bottom adjusts wheel seat by the connection of stress pole socket, and switching is pressed Button is cylindrical structure, and main function is can be directly in contact with checking spring range device and be zeroed out with this to checking spring range device Operation, transfer button can touch feeler lever during pressing and be pushed to making the component in checking spring range device occur Linkage reaction, the setting of the structure can convenient for construction testing staff directly from peripheral operation checking spring range device without carry out by It frequently removes the step of installing again, can effectively save detection time, and transfer button can be used as the feeler lever of checking spring range device Exposed protection structure, avoid feeler lever from directly being damaged by foreign impacts, button column is both to have connected between transfer button and support Carrier structure, while be also transfer button protection carrier, support be collar plate shape construct, primarily serve carrying and connect switching The effect of button and balance strut, balance strut are equidistantly set to three end faces of support respectively and extend downwards, when ground is water When level state, equilateral triangle pyramidal structure may make up between three balance struts.

As the further technique complementary of the present invention, the checking spring range device is by feeler lever, zeroing screw, hook, hanger pin, machine Shell, spring base, snap ring, sealing felt collar, elastic stem contact, buffer spring, elastic tension spring, graduated scale, pointer segment, refers to elastic hammer Needle block, guide rod, needle pivot, guide flange, pressure spring composition, the feeler lever connection zeroing screw, zeroing screw pass through hook connection Hanger pin, hanger pin connection guide, guide rod two sides are equipped with elastic hammer, and elastic hammer is set in casing and is connected with elastic tension spring, bullet Tension spring side connection spring base is hit, spring base bottom connects elastic stem contact by snap ring, sets between elastic stem contact and snap ring There is sealing felt collar, buffer spring is set between guide rod and elastic stem contact, and elastic tension spring is set to elastic hammer bottom position, casing side Side is equipped with graduated scale, and graduated scale is by pointer segment concatenation pointer block, pointer blocks concatenation pointer axis, needle pivot by guide flange with Pressure spring is connected, and feeler lever is the operation structure of checking spring range device when detecting, can make it by coupled transfer button and return It plays the component in detector to generate linkage and start to be detected, zeroing screw is zeroed for the reading of detector and uses, attack Hammer is the core component of checking spring range device with spring base, drives elastic hammer using elastic tension spring, elastic hammer is hit with constant kinetic energy The elastic stem contact with concrete surface perpendicular contact is hit, local concrete is made to deform and absorbs part energy, it is another Portion of energy is converted into the rebound kinetic energy of elastic hammer, and when the kinetic energy that rebounds is completely converted into potential energy, elastic hammer rebound reaches maximum Distance, graduated scale shows the maximum rebound distance of elastic hammer in the form of rebound value, according to the compression strength of concrete Correlation with rebound value is it can be concluded that concrete surface intensity then detects the concrete strength of bridge basal plane.

As the further technique complementary of the present invention, the balance strut is by plunger, end cap, positioning sleeve, box bearing, axis Set, bearing bar composition, the plunger are set at the top of end cap, and end cap connecting positioning sleeve, positioning sleeve passes through box bearing connecting bushing, Axle sleeve bottom connects bearing bar, and plunger is equipped with two, altogether there are four the column construction of protrusion, be mainly used for chimeric balance strut with Hole location between support makes the two be attached and prevent from falling off upon connection, company of the end cap between positioning sleeve and plunger Body is carried, positioning sleeve is mainly used for the tilt angle of positioning balance strut and changes member position by tilt angle varied to make Bearing bar carries out the center of gravity of displacement holding checking spring range device vertically downward, and the effect of box bearing can make axle sleeve in rotation It is held in position the influence for covering and immobilizing and preventing being displaced by bearing bar in the process, axle sleeve is between box bearing and bearing bar Connection carrier simultaneously plays the role of preventing box bearing bottom end gap from seeping water, and bearing bar is used to carry the weight of balance strut entirety Amount.

As the further technique complementary of the present invention, the stress pole socket is lived by chimeric block, shell, oil pocket, limit valve, support Plug, floating piston, annular chamber, gas chamber, pedestal composition, the chimeric block bottom connect shell, are equipped with oil pocket and limit in shell Valve, limit valve connection support piston, supports and is equipped with floating piston and gas chamber between piston, pedestal is set to support piston bottom position It sets, chimeric block is used to be fitting to connection stress pole socket and balances the slot position between strut, increase the detachable convenience of stress pole socket, Shell can prevent stress pole socket from being corroded and being hit damage as protection carrier, and oil pocket is for being perfused lubricating oil for other structures Part operating uses, and for limiting support piston, stroke is more than to limit range to limit valve in the running, and support piston primarily serves branch Support stress pole socket simultaneously provides the effect of impulse force, and the impulse force process of floating piston is the circulating acting in left and right, voluntarily can slightly adjust The position of whole stress pole socket with keep balance strut position moderate the holdings center of gravity of checking spring range device can be made downward, gas chamber for by The reservation for pressure structure of power pole socket, pedestal adjust wheel seat for being fitting to connection.

As the further technique complementary of the present invention, the adjusting wheel seat by chassis, crossbeam, front wheel, rear wheel, lead power Plate, Group spring are at the chassis is equipped with crossbeam, and crossbeam two sides connect front wheel, and front wheel is simultaneously by leading power plate and spring Plate connects rear wheel, and chassis be the main structure of adjusting wheel seat, be mainly used for carrying the pressure being subject to from stress pole socket and The screen resilience to come up is conducted from ground, crossbeam is used for the strength and stiffness for reinforcing adjusting wheel seat component, and front wheel is for controlling The structure that wheel seat just moves forwards, backwards is adjusted, rear wheel is then the structure for controlling to adjust the deflection of wheel seat left and right directions, leads power Plate is used to conduct the mobile power of front wheel to rear wheel, and latch plate is used to buffer what front wheel was subject to when moving with rear wheel Shaking force.

As the further technique complementary of the present invention, the front wheel is equipped with guiding axis, and the effect of guiding axis is in front wheel The moving distance for being influenced to change front wheel by ground inclination angle when mobile brings it about slight adjustment.

As the further technique complementary of the present invention, the rear wheel is equipped with torque arm, and torque arm is mainly used for front wheel The torsion generated with rear wheel when being moved to out-of-flatness ground is cut down, and reduces torsion to the shadow of component by slight deformation It rings, can restore to the original state after leaving uneven ground, avoid generating damage to structure.

As the further technique complementary of the present invention, the latch plate is equipped with universal driving shaft, and universal driving shaft is sliding for front wheel and afterwards Linkage performance between wheel and latch plate, can reduce the shockproofness of front wheel and rear wheel by the linkage with latch plate, And the damage to element structure is cut down with this.

Beneficial effect

In terms of the present invention is applied to bridge construction quality detection technology, primarily to solving the detection device of construction bridges Deflection by hand steering force is influenced that detection reading perpendicular to the ground can not often be caused to have slight deviations, deviation when detecting It will cause the excessive problem of whole numerical precision deviation after value cumulative statistics；

The present invention solves this problem, balance branch by being equipped with balance strut, stress pole socket, adjusting wheel seat in structure Bar, stress pole socket, adjusting wheel seat three be combined with each other and are able to maintain that checking spring range device is in the state of center of gravity vertically downward always, Balance strut changes member position by tilt angle varied to make bearing bar carry out displacement and the center of gravity of checking spring range device is kept to hang down Straight the impulse force process of floating piston is the circulating acting in left and right downwards, can adjust the position of stress pole socket slightly voluntarily to protect The position of fair weighing apparatus strut can make the moderate holding center of gravity of checking spring range device downward, and adjusting wheel seat can be suitable for a variety of different The detection of bridge basal plane thereby guarantees that checking spring range device is exact numerical for the detection data of bridge intensity, passes through each test The Numerical accuracy of point guarantees the accurate reliable of overall data.

Detailed description of the invention

Fig. 1 is a kind of external structure schematic diagram of bridge construction quality detection apparatus of the present invention.

Fig. 2 is a kind of checking spring range device structure front elevational view of bridge construction quality detection apparatus of the present invention.

Fig. 3 is a kind of balance branching rod structure front elevational view of bridge construction quality detection apparatus of the present invention.

Fig. 4 is a kind of stress rod base structure front elevational view of bridge construction quality detection apparatus of the present invention.

Fig. 5 is a kind of adjusting wheel seat structure bottom view of bridge construction quality detection apparatus of the present invention.

In figure: transfer button -1, support -3, checking spring range device -4, balance strut -5, stress pole socket -6, is adjusted button column -2 Wheel seat -7, feeler lever -11, zeroing screw -12, hook -13, hanger pin -14, casing -15, elastic hammer -16, spring base -17, card Ring -18, sealing felt collar -19, elastic stem contact -20, buffer spring -21, elastic tension spring -22, graduated scale -23, pointer segment -24, Pointer blocks -25, guide rod -26, needle pivot -27, guide flange -28, pressure spring -29, plunger -31, end cap -32, positioning sleeve -33, sky Shaft hold -34, axle sleeve -35, bearing bar -36, chimeric block -41, shell -42, oil pocket -43, limit valve -44, support piston -45, Floating piston -46, gas chamber -48, pedestal -49, chassis -51, crossbeam -52, front wheel -53, rear wheel -54, is led at annular chamber -47 Power plate -55, latch plate -56, guiding axis -53a, torque arm -54a, universal driving shaft -56a.

Specific embodiment

With reference to embodiment and Detailed description of the invention, the preferred embodiment that the present invention is further explained.

Embodiment

Referring to Fig. 1, the present invention provides a kind of bridge construction quality detection apparatus, structure includes: transfer button 1, button Column 2, checking spring range device 4, balance strut 5, stress pole socket 6, adjusts wheel seat 7 at support 3, and the transfer button 1 is pushed up set on button column 2 Portion, button column 2 are connected with support 3, and 3 bottom of support connection rebound detector 4, balance strut 5 and support 3 are connected with each other, balance branch 5 bottom of bar adjusts wheel seat 7 by the connection of stress pole socket 6, and transfer button 1 is cylindrical structure, and main function is can to examine with rebound Device 4 is surveyed directly to be in contact and with the operation that this is zeroed out checking spring range device 4, meeting during pressing of transfer button 1 Touching feeler lever 11 is simultaneously pushed to make the component in checking spring range device 4 that linkage reaction occurs, and the setting of the structure can be just In construction, it is directly frequently removed the step of installing again from peripheral operation checking spring range device 4 without carrying out by testing staff, can Effectively save detection time, and transfer button 1 can be used as the exposed protection structure of the feeler lever 11 of checking spring range device 4, avoid touching Bar 11 is directly damaged by foreign impacts, and button column 2 is the carrier structure both connected between transfer button 1 and support 3, while It is the protection carrier of transfer button 1, support 3 is collar plate shape construction, primarily serves carrying and connects transfer button 1 and balance strut 5 effect, balance strut 5 is equidistantly set to three end faces of support 3 respectively and extends downwards, when ground is horizontality, three It may make up equilateral triangle pyramidal structure between root balance strut 5.

Referring to Fig. 2, the present invention provides a kind of bridge construction quality detection apparatus, structure includes: the checking spring range Device 4 is by feeler lever 11, zeroing screw 12, hook 13, hanger pin 14, casing 15, elastic hammer 16, spring base 17, snap ring 18, seal felt Circle 19, buffer spring 21, elastic tension spring 22, graduated scale 23, pointer segment 24, pointer blocks 25, guide rod 26, refers to elastic stem contact 20 Needle shaft 27, guide flange 28, pressure spring 29 form, and the connection of the feeler lever 11 zeroing screw 12, zeroing screw 12 is connected by hook 13 Connect hanger pin 14,14 connection guide 26 of hanger pin, 26 two sides of guide rod are equipped with elastic hammer 16, elastic hammer 16 be set in casing 15 and with Elastic tension spring 22 is connected, and 22 side of elastic tension spring connects spring base 17, and 17 bottom of spring base connects elastic stem touching by snap ring 18 First 20, sealing felt collar 19 is equipped between elastic stem contact 20 and snap ring 18, buffer spring 21 is set to guide rod 26 and elastic stem contact Between 20, elastic tension spring 22 is set to 16 bottom position of elastic hammer, and 15 side of casing is equipped with graduated scale 23, and graduated scale 23 passes through pointer 24 concatenation pointer block 25 of piece, 25 concatenation pointer axis 27 of pointer blocks, needle pivot 27 are connected by guide flange 28 with pressure spring 29, feeler lever 11 be the operation structure of checking spring range device 4 when detecting, can make itself and checking spring range device 4 by coupled transfer button 1 Interior component, which generates to link, simultaneously to be started to be detected, and zeroing screw 12 is zeroed for the reading of detector and uses, elastic hammer 16 with Spring base 17 is the core component of checking spring range device 4, drives elastic hammer 16 using elastic tension spring 22, elastic hammer 16 is moved with constant The elastic stem contact 20 with concrete surface perpendicular contact can be hit, so that local concrete is deformed and absorbs a part of energy Amount, another part energy are converted into the rebound kinetic energy of elastic hammer 16, and when the kinetic energy that rebounds is completely converted into potential energy, elastic hammer 16 is anti- Bullet reaches maximum distance, and graduated scale 23 shows the maximum rebound distance of elastic hammer 16 in the form of rebound value, according to mixed The compression strength of soil and the correlation of rebound value are coagulated it can be concluded that concrete surface intensity then detects the concrete of bridge basal plane Intensity.

Referring to Fig. 3, the present invention provides a kind of bridge construction quality detection apparatus, structure includes: the balance strut 5 It is made of plunger 31, end cap 32, positioning sleeve 33, box bearing 34, axle sleeve 35, bearing bar 36, the plunger 31 is set to end cap 32 Top, 32 connecting positioning sleeve 33 of end cap, positioning sleeve 33 connect bearing bar by 34 connecting bushing 35 of box bearing, 35 bottom of axle sleeve 36, plunger 31 is equipped with two, and there are four the column constructions of protrusion altogether, is mainly used for the hole between chimeric balance strut 5 and support 3 Position makes the two be attached and prevent from falling off upon connection, and connection of the end cap 32 between positioning sleeve 33 and plunger 31 carries Body, positioning sleeve 33 are mainly used for the tilt angle of positioning balance strut 5 and change member position by tilt angle varied to make Bearing bar 36 carries out the center of gravity of displacement holding checking spring range device 4 vertically downward, and the effect of box bearing 34 is axle sleeve can be made to exist Be held in position during rotation set 33 immobilize prevent by bearing bar 36 be displaced influence, axle sleeve 35 be box bearing 34 Connection carrier between bearing bar 36 simultaneously plays the role of preventing 34 bottom end gap of box bearing from seeping water, and bearing bar 36 is for holding Carry the whole weight of balance strut 5.

Referring to Fig. 4, the present invention provides a kind of bridge construction quality detection apparatus, structure includes: the stress pole socket 6 By chimeric block 41, shell 42, oil pocket 43, limit valve 44, support piston 45, floating piston 46, annular chamber 47, gas chamber 48, pedestal 49 compositions, 41 bottom of chimeric block connect shell 42, and oil pocket 43 and limit valve 44, the connection branch of limit valve 44 are equipped in shell 42 Piston 45 is supportted, supports and is equipped with floating piston 46 and gas chamber 48 between piston 45, pedestal 49 is set to support 45 bottom position of piston, embedding It closes block 41 to be used to be fitting to connection stress pole socket 6 and balance the slot position between strut 5, increases the detachable convenience of stress pole socket 6, Shell 42 can prevent stress pole socket 6 from being corroded and being hit damage as protection carrier, oil pocket 42 be used to be perfused lubricating oil for The operating of other components uses, and for limiting support piston 45, stroke is more than to limit range to limit valve 44 in the running, supports piston 45 primarily serve support stress pole socket 6 and provide the effect of impulse force, and the impulse force process of floating piston 46 is the circulating acting in left and right, The position of stress pole socket 6 can be adjusted slightly voluntarily to keep the position of balance strut 5 that can make the moderate holding of checking spring range device 4 Center of gravity is downward, and gas chamber 45 is the reservation for pressure structure of stress pole socket 6, and pedestal 49 adjusts wheel seat 7 for being fitting to connection.

Referring to Fig. 5, the present invention provides a kind of bridge construction quality detection apparatus, structure includes: the adjusting wheel seat 7 By chassis 51, crossbeam 52, front wheel 53, rear wheel 54, lead power plate 55, latch plate 56 forms, the chassis 51 be equipped with crossbeam 52, 52 two sides of crossbeam connect front wheel 53, and front wheel 53 connect rear wheel 54, chassis 51 with latch plate 56 by leading power plate 55 simultaneously For the main structure for adjusting wheel seat 7, it is mainly used for carrying the pressure being subject to from stress pole socket 6 and comes up from ground conduction Screen resilience, crossbeam 52 be used for reinforces adjusting 7 component of wheel seat strength and stiffness, front wheel 53 be for control to adjust wheel seat 7 to The mobile structure in front and back, rear wheel 54 are then the structures for controlling to adjust the deflection of 7 left and right directions of wheel seat, lead power plate 55 and are used for The mobile power of front wheel 53 is conducted to rear wheel 54, latch plate 56 for buffer front wheel 53 and rear wheel 54 when moving by The shaking force arrived, the front wheel 53 are equipped with guiding axis 53a, and the effect of guiding axis 53a is when front wheel 53 is mobile by ground The moving distance that the influence of face tilt angle can change front wheel 53 brings it about slight adjustment, and the rear wheel 54, which is equipped with, to be turned round Power bar 54a, torque arm 54a can disappear the torsion that front wheel 53 is generated with rear wheel 54 when being moved to out-of-flatness ground Subtract, influence of the torsion to component is reduced by slight deformation, can be restored to the original state after leaving uneven ground, avoids producing structure Raw damage, the latch plate 56 are equipped with universal driving shaft 56a, universal driving shaft 56a for front wheel 53 and rear wheel 54 and latch plate 56 it Between linkage performance, can reduce the shockproofness of front wheel 53 Yu rear wheel 54, and by the linkage with latch plate 56 with this Cut down the damage to element structure.

When carrying out intensity detection to it after the completion of bridge construction, strut balance strut 5 of the invention makes to set first Standby to stand on ground, it is zero that testing staff, which presses transfer button 1 to ensure to read, then firmly presses support 3 with palm and makes Equipment is integrally declined, and movement can be generated when depressed by adjusting wheel seat 7, controls to adjust wheel seat 7 forward by front wheel 53 The mobile structure in rear, rear wheel 54 control to adjust wheel seat 7 and deflect in the lateral direction, and adjusting wheel seat 7 will drive balance 5 He of strut Stress pole socket 6 is mobile to different direction until the center of equipment is in state perpendicular to the ground, is vertical in checking spring range device 4 Support 3 thoroughly pushed when straight shape until elastic stem contact 20 vertically withstands on the surfaces of detection means, firmly under by hearing " clatter " A sound after directly read the reading of graduated scale 23 on checking spring range device 4, when calculating, gives up each measuring point maximum and most Small two readings, according to be it is horizontal, upward or downward measure respectively multiplied by coefficient correction, the carbonization measured further according to component is deep Spend determining component concrete strength of tabling look-up.

Claims (8)

1. a kind of bridge construction quality detection apparatus, structure includes: transfer button (1), button column (2), support (3), rebound inspection It surveys device (4), balance strut (5), stress pole socket (6), adjust wheel seat (7), it is characterised in that:

The transfer button (1) is set at the top of button column (2), and button column (2) is connected with support (3), the connection rebound inspection of support (3) bottom It surveys device (4), balance strut (5) and support (3) are connected with each other, and balance strut (5) bottom connects regulating wheel by stress pole socket (6) Seat (7).

2. a kind of bridge construction quality detection apparatus according to claim 1, it is characterised in that: the checking spring range device (4) By feeler lever (11), zeroing screw (12), hook (13), hanger pin (14), casing (15), elastic hammer (16), spring base (17), card Ring (18), sealing felt collar (19), elastic stem contact (20), buffer spring (21), elastic tension spring (22), graduated scale (23), pointer Piece (24), pointer blocks (25), guide rod (26), needle pivot (27), guide flange (28), pressure spring (29) composition, the feeler lever (11) Connection zeroing screw (12), zeroing screw (12) pass through hook (13) connection hanger pin (14), hanger pin (14) connection guide (26), guide rod (26) two sides are equipped with elastic hammer (16), and elastic hammer (16) is set in casing (15) and is connected with elastic tension spring (22), Elastic tension spring (22) side connects spring base (17), and spring base (17) bottom connects elastic stem contact (20) by snap ring (18), Sealing felt collar (19) is equipped between elastic stem contact (20) and snap ring (18), buffer spring (21) is set to guide rod (26) and elastic stem Between contact (20), elastic tension spring (22) is set to elastic hammer (16) bottom position, and casing (15) side is equipped with graduated scale (23), carves It spends ruler (23) and passes through pointer segment (24) concatenation pointer block (25), pointer blocks (25) concatenation pointer axis (27), needle pivot (27) passes through Guide flange (28) is connected with pressure spring (29).

3. a kind of bridge construction quality detection apparatus according to claim 1, it is characterised in that: the balance strut (5) by Plunger (31), end cap (32), positioning sleeve (33), box bearing (34), axle sleeve (35), bearing bar (36) composition, the plunger (31) it is set at the top of end cap (32), end cap (32) connecting positioning sleeve (33), positioning sleeve (33) passes through box bearing (34) connecting shaft It covers (35), axle sleeve (35) bottom connects bearing bar (36).

4. a kind of bridge construction quality detection apparatus according to claim 1, it is characterised in that: the stress pole socket (6) by Chimeric block (41), shell (42), oil pocket (43), limit valve (44), support piston (45), floating piston (46), annular chamber (47), Gas chamber (48), pedestal (49) composition, chimeric block (41) bottom connect shell (42), be equipped in shell (42) oil pocket (43) with Limit valve (44), limit valve (44) connection support piston (45) support and are equipped with floating piston (46) and gas chamber between piston (45) (48), pedestal (49) is set to support piston (45) bottom position.

5. a kind of bridge construction quality detection apparatus according to claim 1, it is characterised in that: the adjusting wheel seat (7) by Power plate (55), latch plate (56) composition, the chassis, front wheel (53), rear wheel (54), are led at crossbeam (52) in chassis (51) (51) crossbeam (52) are equipped with, crossbeam (52) two sides connect front wheel (53), and front wheel (53) is simultaneously by leading power plate (55) and bullet Spring plate (56) connects rear wheel (54).

6. a kind of bridge construction quality detection apparatus according to claim 5, it is characterised in that: the front wheel (53) is equipped with Guiding axis (53a).

7. a kind of bridge construction quality detection apparatus according to claim 5, it is characterised in that: the rear wheel (54) is equipped with Torque arm (54a).

8. a kind of bridge construction quality detection apparatus according to claim 5, it is characterised in that: the latch plate (56) is equipped with Universal driving shaft (56a).