CN212693194U

CN212693194U - Building engineering wall quality detector

Info

Publication number: CN212693194U
Application number: CN202021757728.6U
Authority: CN
Inventors: 余光洋
Original assignee: Anhui Tongfang Engineering Consulting Co ltd
Current assignee: Anhui Tongfang Engineering Consulting Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-12
Anticipated expiration: 2030-08-20

Abstract

The application relates to a building engineering wall quality detector, which comprises a shell and a transmission mechanism, wherein a working cavity is formed in the end face of the shell, the transmission mechanism is positioned in the working cavity, the transmission mechanism comprises an impact block, a movable connecting rod and a first spring, the impact block is positioned at a cavity opening of the working cavity, the end part of one end of the movable connecting rod is fixedly connected with the end face of the far end of the impact block, the other end of the movable connecting rod penetrates through the bottom of the working cavity and extends to the outer side of the shell, a pull ring is fixedly connected with the end part of the far end of the impact block, a plurality of first clamping grooves; the spring hole is formed in the shell and communicated with one side of the movable connecting rod working cavity, a first clamping block matched with the first clamping groove is arranged in the spring hole, the end face of one end of the first clamping block is connected with a flexible steel wire and a second spring, the other end of the flexible steel wire extends out of the shell, and one end, away from the first clamping block, of the second spring sleeve is arranged on the flexible steel wire in a sleeved mode and is abutted to the bottom of the spring hole. This application has the effect of adjusting detector striking wall body dynamics.

Description

Building engineering wall quality detector

Technical Field

The application relates to the technical field of constructional engineering detection, in particular to a constructional engineering wall quality detector.

Background

At present, concrete inevitably has aging and disease phenomena of different degrees in the use process, for example, the concrete has obvious carbonization, so that the protective layer of the reinforcing steel bar is thin and the rust expansion joint of the reinforcing steel bar occurs. At present, the concrete is usually protected by coating a protective material, such as SBR mortar or a protective coating with an epoxy coating, a chlorosulfonated polyethylene coating, and the like, on the surface of the concrete. After the construction of the protective coating is finished, a special wall quality detector is used for detecting the bonding strength between the protective coating and the concrete surface in order to judge the bonding strength.

The utility model discloses a chinese utility model that is CN211043084U at present discloses a building engineering wall body quality detector, including base, supporting mechanism and detection mechanism, the top fixed mounting of base has the supporting mechanism, the top fixed mounting of supporting mechanism has detection mechanism, the supporting mechanism includes barrel, spacing post, slider, cylinder, spacing groove, fixing bolt, internal thread and fixed slot, the bottom of barrel and the top fixed connection of base, the spacing post of midpoint department fixedly connected with of barrel inner wall bottom, the surface sliding connection of spacing post has the slider with barrel looks adaptation, the top fixedly connected with cylinder of slider. This scheme has realized a building engineering wall quality detector through the base, supporting mechanism and the mutual cooperation between the detection mechanism.

With respect to the related art among the above, the inventors consider that the following drawbacks exist; at the in-process of pulling pull ring striking wall body, because the strength of pulling pull ring can not accurate control, the result of different people's pulling pull ring striking is different, can lead to measurement personnel's misjudgement, and then influences the testing result precision.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision of testing result, this application provides a building engineering wall quality detector.

The application provides a building engineering wall quality detector adopts following technical scheme:

a construction engineering wall quality detector comprises a shell and a transmission mechanism, wherein a working cavity is formed in the end face of one end of the shell, the transmission mechanism is located in the working cavity, the transmission mechanism comprises an impact block, a movable connecting rod and a first spring, the impact block is located at a cavity opening of the working cavity, the end part of one end of the movable connecting rod is fixedly connected to the end face of one end, away from the cavity opening of the working cavity, of the impact block, the other end of the movable connecting rod penetrates through the bottom of the working cavity and extends to the outer side of the shell, a pull ring is fixedly connected to the end face of the impact block, a plurality of first clamping grooves which are uniformly distributed along the axial line direction of the movable connecting rod are formed in the movable connecting rod, the first spring is sleeved on the movable connecting rod, one end of the first spring is fixedly connected with the; the axis perpendicular to of having seted up in the casing remove the spring hole of connecting rod, the spring hole with remove the connecting rod and keep away from working chamber one side intercommunication, the spring downthehole be provided with first fixture block that first draw-in groove mutually supported, first fixture block is kept away from the terminal surface of the one end of removing the connecting rod is connected with flexible steel wire and second spring, flexible steel wire is kept away from the one end of first fixture block extends to outside the casing, the second spring housing is located on the flexible steel wire and keep away from the one end of first fixture block with spring hole bottom portion is inconsistent.

Through adopting above-mentioned technical scheme, when the damage that different strength caused the wall body needs accurate detection, drive the striking piece motion of rigid coupling in removal connecting rod one end through the pulling pull ring, striking piece compression first spring, the mechanical energy of pulling the pull ring this moment turns into the elastic potential energy of spring, when pulling striking piece to suitable position, first draw-in groove and the first fixture block through the different positions on the removal connecting rod mutually support, make and remove the connecting rod fixed, striking piece is fixed, through pulling the outer flexible steel wire of casing, make first fixture block relieve the control of removing the connecting rod, make the elastic potential energy of first spring change into the kinetic energy of striking piece, thereby can fix the first draw-in groove at different positions with striking piece, make striking piece can strike the wall body with the striking dynamics of difference, and then can accurate measurement striking result.

Preferably, the impact block comprises a joining seat and an impact head, a joining groove is formed in the end face of one end, away from the movable connecting rod, of the joining seat, a sliding groove is formed in the inner wall of the joining groove, a second clamping block and a third spring are arranged in the sliding groove, the second clamping block is located at the notch of the sliding groove and is in sliding connection with the sliding groove, one side, close to the bottom of the joining groove, of the second clamping block protrudes in an arc shape, and the third spring is fixedly connected between the second clamping block and the bottom of the sliding groove; the striking head is close the terminal surface integrated into one piece of linking groove one end have with link up the linking head that the groove was mutually supported, the tip that the linking head is close to linking groove one end is the chamfer shape, link up the head global set up with the second draw-in groove of second fixture block mutually supporting be provided with the bellows in the working chamber, the bellows is located just the cover is located in the first spring on the removal connecting rod, the one end rigid coupling of bellows is in the bottom surface of working chamber, other end rigid coupling in the striking piece is kept away from the terminal surface of working chamber accent one end.

By adopting the technical scheme, when the impact head needs to be disassembled, the impact head only needs to be pulled outwards with force, the second clamping block is stressed to drive the third spring to compress, and the control of the second clamping block on the adapter head is released, so that the impact head can be disassembled; when the impact head needs to be installed, the joint head of the impact head is inserted into the joint groove formed in the joint seat, the end part of the joint head is in contact with the second clamping block, the second clamping block is stressed and extruded, the second clamping block drives the third spring at the end part to be compressed and contract into the sliding groove, and when the joint head is pushed to the bottom of the joint groove, the impact head is rotated, so that the second clamping block is clamped with the second clamping groove, and the fixation of the impact head can be realized.

Preferably, the working cavity is internally provided with a corrugated pipe, the corrugated pipe is positioned in the first spring and sleeved on the movable connecting rod, one end of the corrugated pipe is fixedly connected to the bottom surface of the working cavity, and the other end of the corrugated pipe is fixedly connected to the striking block and far away from the end surface of one end of the cavity opening of the working cavity.

Through adopting above-mentioned technical scheme, because the dead weight of first spring, first spring middle part is probably flagging, when the pulling removes the connecting rod, flagging spring probably contacts with the first draw-in groove on the removal connecting rod, adds and establishes the bellows and can prevent flagging spring and first draw-in groove contact, reduces the transmission influence that removes the connecting rod to can guarantee the normal work of removing connecting rod and first spring.

Preferably, the inner wall of the working cavity is provided with symmetrically arranged sliding grooves, the periphery of the impact block is integrally formed with a sliding block which is connected with the sliding grooves in a sliding manner, and the sliding block is located at one end, away from the opening of the working cavity, of the impact block.

Through adopting above-mentioned technical scheme, utilize the spout in the work chamber and the slider sliding connection on the striking piece, when tensile striking piece, the frictional force of striking piece and installation cavity inner wall reduces to the frictional force of striking piece when removing can be reduced.

Preferably, the casing is close to the terminal surface rigid coupling of working chamber accent one end has a plurality of sucking discs, and is a plurality of the sucking disc evenly distributed in a week of working chamber accent.

Through adopting above-mentioned technical scheme, when the striking piece striking wall surface of wall quality detector, utilize the suction of sucking disc to fix wall quality detector on the wall, reduced wall quality detector because of the risk that reaction force was flicked to can guarantee detection personnel's safety.

Preferably, a first handle and a second handle are fixedly connected to the side surface of the shell close to the spring hole.

By adopting the technical scheme, when the sucker of the wall quality detector is adsorbed on the wall body, the first handle and the second handle are utilized to lift the wall quality detector to ensure the horizontal state, so that the wall quality detector is not easy to slide off, and the stability of the wall quality detector during working can be improved.

Preferably, a spring button is arranged on one surface of the first handle close to the shell, a first steel wire hole perpendicular to the shell is formed in the first handle, one side of the first steel wire hole close to the spring button is communicated with the outside, a connecting block is fixedly connected to one side of the spring button close to the first steel wire hole, and the connecting block extends into the first steel wire hole; the shell is further provided with a second steel wire hole, one end of the second steel wire hole is located above the spring hole, the other end of the second steel wire hole is located and communicated with the first steel wire hole, a first roller and a second roller are arranged in the first steel wire hole, the first roller is located above the spring hole, the second roller is located below the first steel wire hole, and the flexible steel wire is fixedly connected with the end portion, far away from the spring button, of the connecting block through the first roller and the second roller.

Through adopting above-mentioned technical scheme, when the removal connecting rod is fixed by first fixture block, because be provided with spring button on the handle one, through pressing spring button, the last connecting block of spring button drives flexible steel wire upward movement, and flexible steel wire pulls first fixture block upward movement again, and when spring button pressed the certain degree, first fixture block was relieved to the control of removing the connecting rod to can improve the convenience that testing personnel detected time measuring.

Preferably, the spring button is located on the right side of the grip.

Through adopting above-mentioned technical scheme, because spring button is located one side of handle, more accord with the habit that the user pressed with the forefinger to can further improve the convenience when testing personnel detected.

When the damage that different strength of needs accurate detection caused the wall body, drive the striking piece motion of rigid coupling in removal connecting rod one end through the pulling pull ring, striking piece compression first spring, the mechanical energy of pulling the pull ring this moment turns into the elastic potential energy of spring, when pulling striking piece to suitable position, first draw-in groove and the first fixture block through the different positions on the removal connecting rod mutually support, make the removal connecting rod fixed, striking piece is fixed, through pulling the outer flexible steel wire of casing, make first fixture block relieve the control of removing the connecting rod, make the elastic potential energy of first spring change into the kinetic energy of striking piece, thereby can fix the first draw-in groove at different positions with striking piece, make striking piece can strike the wall body with different striking dynamics, and then can accurate measurement striking result.

When the impact head needs to be disassembled, the impact head is pulled outwards only by force, the second clamping block is stressed to drive the third spring to compress, and the control of the second clamping block on the adapter is released, so that the impact head can be disassembled; when the impact head needs to be installed, the joint head of the impact head is inserted into the joint groove formed in the joint seat, the end part of the joint head is in contact with the second clamping block, the second clamping block is stressed and extruded, the second clamping block drives the third spring at the end part to be compressed and contract into the sliding groove, and when the joint head is pushed to the bottom of the joint groove, the impact head is rotated, so that the second clamping block is clamped with the second clamping groove, and the fixation of the impact head can be realized.

When the movable connecting rod is fixed by the first clamping block, the spring button is arranged on the first handle, the connecting block on the spring button drives the flexible steel wire to move upwards by pressing the spring button, the flexible steel wire pulls the first clamping block to move upwards, and when the spring button is pressed to a certain degree, the first clamping block releases the control of the movable connecting rod, so that the convenience of detection personnel during detection can be improved.

Drawings

Fig. 1 is a schematic cross-sectional view of a wall quality detector according to an embodiment of the present application, mainly illustrating a transmission mechanism.

FIG. 2 is a cross-sectional view of the mass detector of FIG. 1 from another perspective, illustrating primarily the spring button, the pulley, and the flexible wire.

Fig. 3 is a schematic cross-sectional view of the impact block of fig. 1.

Description of reference numerals: 1. a housing; 2. a transmission mechanism; 11. a working chamber; 12. a spring hole; 13. a suction cup; 14. a first grip; 15. a second grip; 16. a second wire hole; 21. an impact block; 22. moving the connecting rod; 23. a first spring; 31. a flexible steel wire; 32. a second spring; 41. a second fixture block; 42. a third spring; 111. a bellows; 112. a chute; 121. a first clamping block; 211. a linking seat; 141. a spring button; 142. a first wire hole; 161. a first roller; 162. a second roller; 212. a striking head; 213. a slider; 221. a pull ring; 222. a first card slot; 1411. connecting blocks; 2111. a joining groove; 2121. an adaptor head; 21111. a sliding groove; 21211. and a second card slot.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a building engineering wall quality detector. Referring to fig. 1, the wall quality detector comprises a shell 1 and a transmission mechanism 2, wherein a working cavity 11 is formed in the end face of one end of the shell 1, the working cavity 11 is located in the middle of the end face of the shell 1, and the transmission mechanism 2 is located in an installation cavity.

Referring to fig. 1, the transmission mechanism 2 includes an impact block 21, a movable connecting rod 22 and a first spring 23, the impact block 21 is located at the opening of the working chamber 11, the impact block 21 is cylindrical, two symmetrical sliding blocks 213 are integrally formed on the circumferential surface of the impact block 21, the two sliding blocks 213 are located at one end of the impact block 21 away from the opening of the working chamber 11, a sliding slot 112 slidably connected with the two sliding blocks 213 is formed in the working chamber 11, and the length of the sliding slot 112 is greater than that of the first spring 23 in a non-compressed or stretched state.

Referring to fig. 1, the movable connecting rod 22 is cylindrical, an end of one end of the movable connecting rod 22 is fixedly connected to the middle of an end face of the impact block 21, the end of the end face is far away from the opening of the working chamber 11, the other end of the end face passes through the bottom of the working chamber 11 and extends to the outer side of the housing 1, and is fixedly connected with a pull ring 221, the pull ring 221 is circular or square, four first clamping grooves 222 are formed in the movable connecting rod 22 and evenly distributed along the axial direction of the movable connecting rod 22, and the inner wall of one side of the first clamping grooves 222; on removal connecting rod 22 was located to first spring 23 cover, the one end of first spring 23 and the terminal surface rigid coupling of striking piece 21, the other end and the bottom rigid coupling of working chamber 11, and remove connecting rod 22 and be located the centre of first spring 23, be provided with bellows 111 between first spring 23 and the removal connecting rod 22, the one end rigid coupling of bellows 111 in the bottom surface of working chamber 11, the other end rigid coupling in striking piece 21 is kept away from the terminal surface of 11 accent one ends of working chamber, bellows 111 can prevent that first spring 23 from flagging to cause the influence to removing connecting rod 22 to can guarantee to remove connecting rod 22 and first spring 23's normal work.

When the damage to the wall caused by different forces needs to be accurately detected, the striking block 21 fixedly connected to one end of the movable connecting rod 22 is driven to move by pulling the pull ring 221, the striking block 21 compresses the first spring 23, at this time, the mechanical energy of the pull ring 221 is converted into the elastic potential energy of the spring, when the striking block 21 is pulled to a proper position, the movable connecting rod 22 is fixed, the striking block 21 is fixed, the control of the moving link 22 by the first latch 121 is released by pulling the flexible steel wire 31 outside the housing 1, so that the elastic potential energy of the first spring 23 is converted into the kinetic energy of the striking block 21, therefore, the impact block 21 can be fixed on the first clamping grooves 222 at different positions, so that the impact block 21 can impact a wall body with different impact force, and the impact result can be accurately measured.

Referring to fig. 1 and 2, a spring hole 12 and a second steel wire hole 16, the axes of which are perpendicular to the movable connecting rod 22, are further formed in the housing 1, the spring hole 12 and the second steel wire hole 16 are both square holes, the spring hole 12 is communicated with one side of the movable connecting rod 22 away from the working chamber 11, a first clamping block 121 matched with the first clamping groove 222 is arranged in the spring hole 12, the first clamping block 121 is square and is slidably connected with the spring hole 12, the end face of one end of the first clamping block 121 away from the movable connecting rod 22 is connected with a flexible steel wire 31 and a second spring 32, the second spring 32 is sleeved on the flexible steel wire 31 and is abutted against the bottom of the spring hole 12, a first roller 161 and a second roller 162 are arranged in the second steel wire hole 16, the first roller 161 and the second roller 162 are respectively located at two ends of the second steel wire hole 16, one end of the second steel wire hole 16 is located above the spring hole 12, and one end of the flexible steel wire 31 away from the first clamping block extends to the second steel wire hole 16.

Referring to fig. 1 and 2, a first handle 14, a second handle 15 and a sucker 13 are fixedly connected to the exterior of a housing 1, the first handle 14 and the second handle 15 are positioned on the side surface of the housing 1 near one side of a spring hole 12, the direction of the first handle 14 and the direction of the second handle 15 are perpendicular to the axial direction of a movable connecting rod 22, a spring button 141 is arranged on the side of the first handle 14 near the housing 1, the spring button 141 is positioned on one side of the handle, a first steel wire hole 142 perpendicular to the housing 1 is formed in the first handle 14, the first steel wire hole 142 is positioned above one end of the second steel wire hole 16 far away from the spring hole 12 and is communicated with the second steel wire hole 16, one side of the first steel wire hole 142 near the spring button 141 is communicated with the exterior, a connecting block 1411 is fixedly connected to the side of the spring button 141 near the first steel wire hole 142, the connecting block 1411 is in a strip shape and is positioned on, the flexible steel wire 31 extending out of the shell 1 penetrates through the first steel wire hole 142 and is connected with the end part of one end of the connecting block 1411 far away from the spring button 141; the sucking discs 13 are located on the end face close to one end of the cavity opening of the working cavity 11, and the sucking discs 13 are uniformly distributed along the periphery of the cavity opening of the working cavity 11, and the number of the sucking discs can be three or four.

When the impact block 21 of the wall quality detector impacts the wall surface, the wall quality detector is fixed on the wall surface by utilizing the suction force of the sucker 13, and a detector holds the first handle 14 and the second handle 15 to lift the wall quality detector to ensure the horizontal state, so that the risk that the wall quality detector is bounced off due to the reaction force is reduced, and the safety of the detector can be ensured. In addition, when the movable connecting rod 22 is fixed by the first fixture block 121, because the first handle 14 is provided with the spring button 141, by pressing the spring button 141, the connecting block 1411 on the spring button 141 drives the flexible steel wire 31 to move upwards, the flexible steel wire 31 pulls the first fixture block 121 to move upwards again, and when the spring button 141 is pressed to a certain extent, the control of the movable connecting rod 22 by the first fixture block 121 is released, the elastic potential energy of the first spring 23 is converted into the kinetic energy of the impact block 21, and the impact head 212 impacts the wall body, so that the convenience of detection personnel during detection can be improved.

Referring to fig. 3, the impact block 21 includes an engagement seat 211 and an impact head 212, an engagement groove 2111 is formed in an end surface of one end of the engagement seat 211 close to the working chamber 11, the section of the engagement groove 2111 is circular, two sliding grooves 21111 are symmetrically formed in an inner wall of the engagement groove 2111, a second fixture block 41 and a third spring 42 are respectively arranged in the two sliding grooves 21111, the second fixture block 41 is located at a notch of the sliding groove 21111 and is slidably connected with the sliding groove 21111, a protrusion of one side of the second fixture block 41 close to the bottom of the engagement groove 2111 is arc-shaped, and the third spring 42 is fixedly connected between the second fixture block 41 and a groove bottom of the sliding groove 21111; the end of the impact head 212 far away from the joint seat 211 is semi-ellipsoidal, the end surface of the impact head 212 near the joint slot 2111 is integrally formed with an adapter 2121 matched with the joint slot 2111, the end of the adapter 2121 near the joint slot 2111 is chamfered, and the peripheral surface of the adapter 2121 is provided with a second clamping groove 21211 matched with the second clamping block 41.

When the impact head 212 needs to be detached, the impact head 212 is pulled outwards only by force, the second fixture block 41 is forced to drive the third spring 42 to compress, and the control of the second fixture block 41 on the adapter 2121 is released, so that the impact head 212 can be detached; when the impact head 212 needs to be installed, the adaptor 2121 of the impact head 212 is inserted into the adaptor slot 2111 formed in the adaptor seat 211, the end of the adaptor 2121 contacts with the second fixture block 41, the second fixture block 41 is pressed, the second fixture block 41 drives the third spring 42 at the end to be compressed and to be contracted into the sliding slot 21111, and when the adaptor 2121 is pushed to the bottom of the adaptor slot 2111, the second fixture block 41 is clamped with the second clamping slot 21211 by rotating the impact head 212, so that the impact head 212 can be fixed.

The implementation principle of the detector for the wall quality of the building engineering in the embodiment of the application is as follows: the movable connecting rod 22 is pulled through the pull ring 221 to drive the impact block 21 to compress the first spring 23, the first clamping grooves 222 on the movable connecting rod 22 are matched with the first clamping block 121, so that the impact force of the impact block 21 on the wall body is accurately controlled, the first clamping groove 222 is released from the first clamping block 121 by pressing the spring button 141, the elastic potential energy of the first spring 23 is converted into the kinetic energy of the impact block 21, and the impact of the impact block 21 on the wall body is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building engineering wall quality detector which characterized in that: including casing (1) and drive mechanism (2), working chamber (11) have been seted up to the terminal surface of casing (1) one end, drive mechanism (2) are located working chamber (11), drive mechanism (2) are including striking piece (21), removal connecting rod (22) and first spring (23), striking piece (21) are located the accent of working chamber (11), the tip rigid coupling of removal connecting rod (22) one end in striking piece (21) is kept away from the terminal surface of working chamber (11) accent one end, and the other end passes the bottom of working chamber (11) and extends to casing (1) outside and rigid coupling have pull ring (221), set up a plurality of edges on removal connecting rod (22) first draw-in groove (222) that remove connecting rod (22) axis direction evenly distributed, first spring (23) cover is located on removal connecting rod (22), one end of the first spring (23) is fixedly connected with the end face of the impact block (21), and the other end of the first spring is fixedly connected with the bottom of the working cavity (11); the axial line perpendicular to is seted up in casing (1) spring hole (12) of removal connecting rod (22), spring hole (12) with removal connecting rod (22) are kept away from working chamber (11) one side intercommunication, be provided with in spring hole (12) with first draw-in groove (222) first fixture block (121) of mutually supporting, first fixture block (121) are kept away from the terminal surface of the one end of removal connecting rod (22) is connected with flexible steel wire (31) and second spring (32), flexible steel wire (31) are kept away from the one end of first fixture block (121) extends to outside casing (1), second spring (32) cover is located on flexible steel wire (31) and keep away from the one end of first fixture block (121) with spring hole (12) bottom is inconsistent.

2. The building engineering wall quality detector of claim 1, wherein: the impact block (21) comprises a connecting seat (211) and an impact head (212), a connecting groove (2111) is formed in the end face of one end, away from the movable connecting rod (22), of the connecting seat (211), a sliding groove (21111) is formed in the inner wall of the connecting groove (2111), a second clamping block (41) and a third spring (42) are arranged in the sliding groove (21111), the second clamping block (41) is located at the notch of the sliding groove (21111) and is in sliding connection with the sliding groove (21111), one side, close to the bottom of the connecting groove (2111), of the second clamping block (41) is arc-shaped, the arc surface protrudes to the groove bottom of the connecting groove (2111), and the third spring (42) is fixedly connected between the second clamping block (41) and the groove bottom of the sliding groove (21111); an adapter head (2121) matched with the connecting groove (2111) is integrally formed on the end face of the impact head (212) close to one end of the connecting groove (2111), the end part of the adapter head (2121) close to one end of the connecting groove (2111) is in a chamfered shape, and a second clamping groove (21211) matched with the second clamping block (41) is formed in the peripheral surface of the adapter head (2121).

3. The building engineering wall quality detector of claim 1, wherein: be provided with bellows (111) in working chamber (11), bellows (111) are located in first spring (23) and the cover is located on removing connecting rod (22), the one end rigid coupling of bellows (111) is in the bottom surface of working chamber (11), the other end rigid coupling in striking block (21) is kept away from the terminal surface of working chamber (11) accent one end.

4. The building engineering wall quality detector of claim 1, wherein: the utility model discloses a striking piece, including working chamber (11), working chamber (11) inner wall sets up spout (112) that the symmetry set up, striking block (21) global integrated into one piece have with spout (112) sliding connection's slider (213), just slider (213) are located striking block (21) are kept away from the one end of working chamber (11) accent.

5. The building engineering wall quality detector of claim 1, wherein: casing (1) is close to the terminal surface rigid coupling of working chamber (11) accent one end has a plurality of sucking discs (13), and is a plurality of sucking discs (13) are followed a week evenly distributed of working chamber (11) accent.

6. The building engineering wall quality detector of claim 1, wherein: the side face, close to one side of the spring hole (12), of the shell (1) is fixedly connected with a first handle (14) and a second handle (15), the first handle (14) is located above the spring hole (12), and the second handle (15) is located at one end close to the orifice of the working cavity (11).

7. The building engineering wall quality detector of claim 6, wherein: a spring button (141) is arranged on one surface, close to the shell (1), of the first handle (14), a first steel wire hole (142) perpendicular to the shell (1) is formed in the first handle (14), one side, close to the spring button (141), of the first steel wire hole (142) is communicated with the outside, a connecting block (1411) is fixedly connected to one side, close to the first steel wire hole (142), of the spring button (141), and the connecting block (1411) extends into the first steel wire hole (142); the casing (1) is further provided with a second steel wire hole (16), one end of the second steel wire hole (16) is located above the spring hole (12), the other end of the second steel wire hole is located and communicated with the first steel wire hole (142), a first roller (161) and a second roller (162) are arranged in the first steel wire hole (142), the first roller (161) is located above the spring hole (12), the second roller (162) is located below the first steel wire hole (142), and the flexible steel wire (31) is fixedly connected with the end portion, away from the spring button (141), of the connecting block (1411) through the first roller (161) and the second roller (162).

8. The building engineering wall quality detector of claim 7, wherein: the spring button (141) is positioned on one side of the first grip (14).