CN212320664U - Steel bar protective layer thickness test equipment for building engineering - Google Patents

Abstract

The utility model relates to a reinforcing bar protective layer thickness test equipment for building engineering, including the mark subassembly with be used for fixing a position the reinforcing bar, carry out the organism that detects reinforcing bar protective layer thickness, the mark subassembly includes connecting piece, drive connecting piece along organism length direction rectilinear movement's drive assembly and the marker pen that is used for carrying out the mark on the concrete, drive assembly installs on the organism, the marker pen is installed on the connecting piece, be equipped with on the organism and be used for detecting the reinforcing bar position and carry out the sense terminal of testing to reinforcing bar protective layer thickness, line between sense terminal and the marker pen is on a parallel with the moving direction extension line of connecting piece, be provided with the first switch that is used for controlling the drive assembly operation on the organism, first switch is connected with the drive assembly electricity. The utility model discloses have the effect that improves convenient operation nature.

Description

Steel bar protective layer thickness test equipment for building engineering

Technical Field

The utility model belongs to the technical field of the technique that the building detected and specifically relates to a reinforcing bar protective layer thickness test equipment for building engineering is related to.

Background

At present, reinforced concrete is a common building structure in the building construction process, and after the fixation of reinforcing steel bars and the pouring of concrete are completed, an operator needs to detect the thickness of a reinforcing steel bar protective layer to ensure that the thickness of the reinforcing steel bar protective layer meets the requirements of national standards.

The detection of the steel bar protective layer is usually realized by a steel bar scanner at present, wheels are rotatably connected at two ends of the steel bar scanner, when an operator detects the thickness of the steel bar protective layer, the steel bar scanner is supported on concrete and moves the steel bar scanner, the wheels rotate to further enable the steel bar scanner to move smoothly, when the steel bar scanner detects a steel bar, a sounder arranged in the steel bar scanner can make a sound, meanwhile, a lamp arranged on the steel bar scanner emits a bright light, and the operator can read test data through a display on the steel bar scanner;

when the operator uses the existing steel bar scanner to detect the thickness of the steel bar protection layer, the operator needs to mark the position of the steel bar on the concrete so as to count the steel bar, and meanwhile, the operator can accurately find the position of the steel bar when reviewing the thickness of the steel bar protection layer.

The above prior art solutions have the following drawbacks: when marking the position of the steel bar on the ceiling, an operator firstly continuously supports the steel bar scanner on the concrete of the ceiling to determine the accurate position of the steel bar, then marks the position of the center line of the steel bar scanner by marking on the concrete at the position of the center line of the steel bar scanner by the handheld marking pen, the process requires the two hands of the operator to be lifted at the same time, and the operator needs to make the marking pen align the position of the center line of the steel bar scanner to mark to ensure the accurate marking position while lifting the two hands, so that the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a reinforcing bar protective layer thickness test equipment for building engineering, the operator does not need another handheld pen of a handheld reinforcing bar scanner to operate when carrying out reinforcing bar position mark, and the operator need not make the marker pen aim at reinforcing bar scanner central line department simultaneously and rule in order to ensure that the mark position is accurate, has the advantage that improves convenient operation nature.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a reinforcing bar protective layer thickness test equipment for building engineering, includes mark subassembly and the organism that is used for fixing a position the reinforcing bar, detects reinforcing bar protective layer thickness, the mark subassembly includes connecting piece, drive connection spare along organism length direction rectilinear movement's drive assembly and the marker pen that is used for carrying out the mark on the concrete, drive assembly installs on the organism, the marker pen is installed on the connecting piece, be equipped with on the organism and be used for detecting the reinforcing bar position and carry out the sense terminal that tests reinforcing bar protective layer thickness, line between sense terminal and the marker pen is on a parallel with the moving direction extension line of connecting piece, be provided with the first switch that is used for controlling the drive assembly operation on the organism, first switch is connected with the drive subassembly electricity.

By adopting the technical scheme, the operator moves the organism in order to carry out the definite and detection of reinforcing bar protective layer thickness of reinforcing bar position, when the organism moves to the sense terminal and aims at the reinforcing bar, the organism responds, the operator closes first switch this moment, thereby start drive assembly drive connecting piece and mark pen and remove, accomplish a setting-out mark on the concrete, because the line between sense terminal and the mark pen is on a parallel with the moving direction extension line of connecting piece, so the mark line has aimed at the reinforcing bar position when carrying out the setting-out mark, the operator does not need a handheld reinforcing bar scanner another handheld pen to operate when carrying out reinforcing bar position mark, and the operator does not need the position of manual regulation mark pen in order to aim at when carrying out the mark, and the convenience of operation is improved.

The present invention may be further configured in a preferred embodiment as: the drive assembly comprises a first screw rod for driving the connecting piece to move linearly and a drive piece for driving the first screw rod to rotate, the first screw rod is installed on the drive piece, the drive piece is arranged on the machine body, a housing for covering the drive piece is installed on the machine body, the connecting piece comprises a sliding plate and a connecting block, the sliding plate is connected with the connecting block in an integrated mode, the connecting block is in threaded connection with the first screw rod, and the sliding plate is matched with the housing in a sliding mode along the length direction of the first screw rod.

Through adopting above-mentioned technical scheme, because the sliding fit of slide and housing, the connecting piece uses first screw rod center pin to receive the restriction as the rotation of pivot, and the first screw rod of driving piece drive rotates the back, and the connecting block drives the marker pen and removes along first screw rod axial displacement, realizes the mark, convenient operation.

The present invention may be further configured in a preferred embodiment as: the machine body is provided with a lamp body which emits light when the detection end detects a steel bar, the lamp body is electrically connected with a first trigger module, the first trigger module is used for outputting a first trigger signal, the first trigger module is electrically connected with a drive trigger module and a delay trigger module, the drive trigger module comprises a second trigger part and a drive switch, the delay trigger module comprises a third trigger part and a delay switch, the second trigger part, the third trigger part and the delay switch are connected in series, the drive switch is connected with a driving part in series, the second trigger part is used for receiving the first trigger signal and outputting a second trigger signal, the drive switch is used for receiving the second trigger signal and outputting a drive switch signal, the driving part is used for receiving the drive switch signal and outputting a drive signal, and the third trigger room is used for receiving the first trigger signal and outputting a third trigger signal, the delay switch is used for receiving a third trigger signal and outputting a delay switch signal, the first switch is electrically connected with the delay switch in parallel, and the first switch is used for outputting a first switch signal to the second trigger piece.

By adopting the technical scheme, when the lamp body emits light and indicates that the detection end is aligned with the position of the steel bar, the first trigger module outputs a first trigger signal, the operator operates the first switch to close the first switch, the second trigger part and the third trigger part are electrified, the second trigger part outputs a second trigger signal, the third trigger part outputs a third trigger signal, the driving switch is closed, the driving part is started to mark, meanwhile, the delay switch is closed and is delayed to be disconnected, the operator can disconnect the first switch, after the marking pen marks once and moves to the initial position, the delay switch is disconnected, the second trigger part and the third trigger part are disconnected, the driving switch is disconnected, the servo motor is disconnected to stop running, therefore, the operator can control the marking pen to mark through the first switch only when the detection end is aligned with the position of the steel bar, namely, the lamp body emits the light, the accuracy of the marking position is ensured.

The present invention may be further configured in a preferred embodiment as: the driving piece comprises a servo motor, and an output shaft of the servo motor is coaxially fixed with the first screw rod.

By adopting the technical scheme, the existing servo motor can realize reciprocating rotation, the output shaft of the servo motor rotates to drive the first screw rod to rotate and drive the marking pen to move, and after marking is finished, the output shaft of the servo motor immediately rotates reversely to drive the marking pen to reset so as to carry out marking next time; after marking is finished, an operator does not need to manually operate and control to reset the marking pen to the initial position, and the operation is convenient.

The present invention may be further configured in a preferred embodiment as: the connecting piece still includes the go-between, go-between and slide body coupling, the marker pen penetrates in the go-between, the go-between sets up the locating part that moves in the go-between of restriction marker pen.

By adopting the technical scheme, after the ink of the marking pen is used up, an operator can remove the limit of the limiting part on the position of the marking pen and replace the marking pen so as to ensure that the marking on the position of the steel bar can be normally carried out.

The present invention may be further configured in a preferred embodiment as: the machine body is provided with a handle, and the first switch entity is arranged on the handle.

Through adopting above-mentioned technical scheme, the operator is moving the organism in order to carry out reinforcing bar position detection and reinforcing bar protective layer thickness detection time, and the operator need hold the handle and carry out the removal to the organism, can conveniently control first switch when the operator holds the handle, and the operator need not lift both hands simultaneously and operate convenient operation when detecting the reinforcing bar of ceiling equipotential.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a switch, including first switch, logical groove, pressing piece, second switch reed, installation groove, first switch selects micro-gap switch for use, set up the mounting groove in the handle, first switch reed exposes to the open groove of offering on the handle, it is provided with the pressing piece to lead to groove opening department, pressing piece bottom and first switch reed butt, the pressing piece with lead to groove sliding connection.

By adopting the technical scheme, when an operator needs to start the servo motor, the operator presses the pressing piece and fixes the pressing piece, the pressing piece presses down to drive the reed of the microswitch to press down, the first switch is closed, the second trigger piece is electrified, the delay switch is closed, the marking pen starts marking, at the moment, the operator can release the hand to release the pressing piece, the reed of the microswitch bounces, the marking pen continuously moves, and the operation is convenient; the first switch is exposed outside the machine body for a long time and is easy to collide and damage in the machine body transportation process, the arrangement of the mounting groove increases the protection of the first switch, and the sustainable execution of marking of the marking pen is ensured.

The present invention may be further configured in a preferred embodiment as: the limiting piece comprises a second screw for pressing the marking pen on the inner wall of the connecting ring, and the second screw is in threaded connection with the connecting ring.

Through adopting above-mentioned technical scheme, the second screw rod compresses tightly the marker pen on the go-between inner wall and avoid the marker pen to remove the in-process at the connecting piece and drop from the go-between, and operator pivoted people screw rod makes second screw rod and marker pen relieve the butt and can change the marker pen when marker pen printing ink exhausts, convenient operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the machine body moves to the detection end to align with the steel bar, the machine body responds, and the operator closes the first switch piece, so that the driving assembly is started to drive the connecting piece and the marking pen to move, one-time line marking is finished on the concrete, and the operator does not need to hold one steel bar scanner and the other pen to operate when marking the position of the steel bar, thereby improving the operation convenience;

2. after the driving piece drives the first screw rod to rotate, the connecting block moves along the axial direction of the first screw rod to drive the marking pen to move, so that marking is realized, and the operation is convenient;

3. only when the detection end is aligned to the position of the steel bar, namely, the lamp body emits light, an operator can control the marking pen to mark through the first switch piece, and the accuracy of the marking position is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a bottom schematic view of the present embodiment;

FIG. 3 is a sectional view of the present embodiment;

fig. 4 is a circuit diagram of the present embodiment.

In the figure, 1, a machine body; 11. a detection end; 12. a housing; 13. a handle; 131. mounting grooves; 132. a through groove; 14. a first switch; 15. a lamp body; 16. a processor; 2. a connecting member; 21. a slide plate; 22. connecting blocks; 23. a connecting ring; 231. a second screw; 3. a marking pen; 4. a first screw; 5. a servo motor; 6. a first trigger module; 7. a second trigger module; 71. a second trigger; 72. a drive switch; 8. a third trigger module; 81. a third trigger; 82. a delay switch; 9. a pressing piece.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a reinforcing bar protective layer thickness test equipment for building engineering, mark subassembly and be used for fixing a position the reinforcing bar, machine body 1 that detects the reinforcing bar protective layer, machine body 1 chooses the reinforcing bar scanner for use, machine body 1 bottom middle part is equipped with the detection end 11 that is used for detecting the reinforcing bar position and tests the reinforcing bar protective layer thickness, the mark subassembly includes connecting piece 2, drive connecting piece 2 along the drive subassembly of machine body 1 length direction straight line removal and install the marker 3 on connecting piece 2, the drive subassembly includes driving piece and first screw rod 4, the driving piece includes servo motor 5, servo motor 5 installs in machine body 1 front end middle part, machine body 1 front end middle part is fixed with housing 12 that covers on servo motor 5, first screw rod 4 is coaxial fixed with the drive shaft of servo motor 5, first screw rod 4 axial is unanimous with machine body 1 length direction, when the machine body 1 is horizontally placed, a connecting line between the detection end 11 and the marking pen 3 is superposed with the central axis of the first screw rod 4 on a horizontal plane, the bottom of the machine body 1 is rotatably connected with wheels, and the axial direction of the wheels is consistent with the axial direction of the first screw rod 4;

the connecting piece 2 comprises a sliding plate 21, a connecting block 22 and a connecting ring 23, the connecting block 22 is in threaded connection with the first screw rod 4, the first screw rod 4 penetrates through the connecting block 22, the connecting block 22 is a rectangular block, the sliding plate 21 is fixed to the top end of the connecting block 22 and is in axial sliding fit with the housing 12 along the first screw rod 4, the connecting block 22 is fixed to the middle of the bottom surface of the sliding plate 21, the connecting ring 23 is fixed to one end of the sliding plate 21 principle body 1, the marking pen 3 penetrates into the connecting ring 23, a second screw rod 231 penetrating through the side portion of the connecting ring 23 is arranged on the connecting ring 23, the second screw rod 231 is in threaded connection with the connecting ring 23.

Referring to fig. 3 and 4, a handle 13 is fixed on the machine body 1, a mounting groove 131 is formed in the handle 13, a first switch 14 for controlling the operation of the servo motor 5 is fixedly installed in the mounting groove 131, the first switch 14 is electrically connected with the servo motor 5, a micro switch is selected for the first switch 14, a reed of the first switch 14 tilts, a through groove 132 communicated with the mounting groove 131 is formed in the top of the handle 13, a position with the highest tilting height of the reed of the first switch 14 enters the through groove 132, a pressing piece 9 is connected in the through groove 132 in a sliding manner, the bottom of the pressing piece 9 is platy, the top of the pressing piece is cylindrical, the pressing piece 9 is connected with the through groove 132 in a sliding manner along a direction perpendicular to the top surface of the handle 13, and the first switch 14 is a normally.

Referring to fig. 3 and 4, a lamp body 15 emitting light when the detection end 11 detects a steel bar is disposed on the top surface of the machine body 1, a processor 16 is disposed in the machine body 1, the processor 16 is an MCU, one end of the lamp body 15 is coupled to an output pin of the processor 16, the other end is grounded, the detection end 11 transmits a detection signal to the processor 16 when detecting the position of the steel bar, the processor 16 receives the detection signal and outputs a light signal by connecting to an output end of the lamp body 15, the light signal in this embodiment is a high voltage signal, i.e., a high voltage is set on an output pin of the MCU, the lamp body 15 is energized and lighted, the lamp body 15 is electrically connected to a first trigger module 6, a second trigger module 7 and a third trigger module 8, the first trigger module 6 is a transistor Q1, the transistor Q1 is an NPN type transistor, a base of the transistor Q1 is connected to a connection point of, the collector is connected with a direct current power supply.

Referring to fig. 4, the second trigger module 7 and the third trigger module 8 respectively adopt a relay KM1 and a time relay KT1, the second trigger module 7 includes a second trigger piece 71 and a drive switch 72, the second trigger piece 71 is a coil of a relay KM1, the drive switch 72 is a normally open contact switch S2 of the relay KM1, the third trigger module 8 includes a third trigger piece 81 and a delay switch 82, the third trigger piece 81 is a coil of a time relay KT1, the delay switch 82 is a normally open contact switch S3 of a time relay KT1, and the normally open contact switch S3 is turned off in a delayed manner;

one end of a coil of the relay KM1 is connected with an emitter of a triode Q1, the other end of the coil of the time relay KT1 is connected with one end, far away from a coil of the relay KM1, of a coil of the time relay KT1, is connected with a normally open contact switch S3 of the time relay KT1, one end, far away from the coil of the relay KM, of a normally open contact switch S3 of the time relay KT1 is grounded, one end of the normally open contact switch S1 is connected to a connection point of the normally open contact switch S3 of the time relay KT1 and the;

one end of a normally open contact switch S2 of the relay KM1 is connected with a direct current power supply, the other end of the normally open contact switch S2 is connected with the servo motor 5, and one end, far away from the normally open contact switch S2 of the relay KM1, of the servo motor 5 is grounded.

The implementation principle of the embodiment is as follows: an operator holds the handle 13 to move the machine body 1 to detect the position of the reinforcing steel bar and detect the thickness of the protective layer of the reinforcing steel bar, along with the movement of the machine body 1, the marking pen 3 marks the moving track of the machine body 1 on the concrete, when the detection end 11 is aligned with the reinforcing steel bar, the high voltage is placed on the connection pin of the processor 16 and the lamp body 15, the lamp body 15 is electrified and emits bright light, the collector electrode of the triode Q1 is conducted with the emitter, the operator presses the pressing piece 9 at the moment to close the normally-open contact switch S1, the coil of the relay KM1, the coil of the time relay KT1 and the circuit formed by connecting the normally-open contact switch S1, the coil of the relay KM1 and the coil of the time relay KT1 are electrified, the normally-open contact switch S2 of the relay KM1 and the normally-open contact switch S3 of the time relay KT1 are closed, the coil of the relay KM1, a circuit formed by connecting a normally open contact switch S2 of the relay KM1 and the servo motor 5 is conducted, and at the moment, the operator releases the pressing piece 9, so that the normally open contact switch S1 is disconnected;

servo motor 5 circular telegram, servo motor 5 output shaft rotates and drives first screw rod 4 and rotate, drive slide 21, connecting block 22 and go-between 23 remove, and then drive marker 3 and remove, marker 3 marks the mark line that the department perpendicular to organism 1 moved the orbit on the concrete, servo motor output shaft backward movement afterwards, drive slide 21, connecting block 22, go-between 23 and marker 3 backward movement to initial position, the operator can observe the data on the 1 display of organism in the mark, the realization is to the detection of this department's reinforcing bar protective layer thickness, the operator can continue to move organism 1 in order to carry out next detection and mark.

When the marking pen 3 runs out of ink, the operator screws the second screw 231, and the marking pen 3 is released from the abutment with the second screw 231, so that the operator can replace the marking pen 3 and tighten the second screw 231 at the same time, thereby fixing a new marking pen 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a reinforcing bar protective layer thickness test equipment for building engineering which characterized in that: comprises a marking component and a machine body (1) used for positioning the reinforcing steel bar and detecting the thickness of the protective layer of the reinforcing steel bar, the marking assembly comprises a connecting piece (2), a driving assembly for driving the connecting piece (2) to move linearly along the length direction of the machine body (1), and a marking pen (3) for marking on concrete, the driving component is arranged on the machine body (1), the marking pen (3) is arranged on the connecting piece (2), the machine body (1) is provided with a detection end (11) for detecting the position of the reinforcing steel bar and testing the thickness of the protective layer of the reinforcing steel bar, the connecting line between the detection end (11) and the marking pen (3) is parallel to the extending line of the moving direction of the connecting piece (2), the machine body (1) is provided with a first switch (14) used for controlling the operation of the driving assembly, and the first switch (14) is electrically connected with the driving assembly.

2. The steel bar protective layer thickness test equipment for building engineering according to claim 1, characterized in that: drive assembly includes drive connecting piece (2) rectilinear movement's first screw rod (4) and drives first screw rod (4) pivoted driving piece, install on the driving piece first screw rod (4), the driving piece sets up on organism (1), install on organism (1) and be used for covering housing (12) of establishing on the driving piece, connecting piece (2) are including slide (21) and connecting block (22), slide (21) and connecting block (22) an organic whole are connected, connecting block (22) threaded connection is on first screw rod (4), slide (21) and housing (12) are along first screw rod (4) length direction sliding fit.

3. The steel bar protective layer thickness test equipment for building engineering according to claim 2, characterized in that: the machine body (1) is provided with a lamp body (15) which emits light when the detection end (11) detects a steel bar, the lamp body (15) is electrically connected with a first trigger module (6), the first trigger module (6) is used for outputting a first trigger signal, the first trigger module (6) is electrically connected with a drive trigger module and a delay trigger module, the drive trigger module comprises a second trigger piece (71) and a drive switch (72), the delay trigger module comprises a third trigger piece (81) and a delay switch (82), the second trigger piece (71), the third trigger piece (81) and the delay switch (82) are connected in series, the drive switch (72) is connected in series with the drive piece, the second trigger piece (71) is used for receiving the first trigger signal and outputting a second trigger signal, the drive switch (72) is used for receiving the second trigger signal and outputting a drive switch (72) signal, the driving piece is used for receiving a signal of the driving switch (72) and outputting a driving signal, the third trigger room is used for receiving a first trigger signal and outputting a third trigger signal, the delay switch (82) is used for receiving a third trigger signal and outputting a signal of the delay switch (82), the first switch (14) is electrically connected with the delay switch (82) in parallel, and the first switch (14) is used for outputting a signal of the first switch (14) to the second trigger piece (71).

4. The steel bar protective layer thickness test equipment for building engineering according to claim 2, characterized in that: the driving piece comprises a servo motor (5), and an output shaft of the servo motor (5) is coaxially fixed with the first screw (4).

5. The steel bar protective layer thickness test equipment for building engineering according to claim 2, characterized in that: the connecting piece (2) further comprises a connecting ring (23), the connecting ring (23) is integrally connected with the sliding plate (21), the marking pen (3) penetrates into the connecting ring (23), and the connecting ring (23) is provided with a limiting piece which limits the movement of the marking pen (3) in the connecting ring (23).

6. The steel bar protective layer thickness test equipment for building engineering according to claim 3, characterized in that: the machine body (1) is provided with a handle (13), and the first switch (14) is physically arranged on the handle (13).

7. The steel bar protective layer thickness test equipment for building engineering according to claim 6, characterized in that: micro-gap switch is selected for use in first switch (14), seted up mounting groove (131) in handle (13), first switch (14) are installed in mounting groove (131), set up logical groove (132) that supply first switch (14) reed to expose on handle (13), it is provided with pressing piece (9) to lead to groove (132) notch department, pressing piece (9) bottom and first switch (14) reed butt, pressing piece (9) and logical groove (132) sliding connection.

8. The steel bar protective layer thickness test equipment for building engineering according to claim 5, characterized in that: the limiting piece comprises a second screw rod (231) which presses the marking pen (3) on the inner wall of the connecting ring (23), and the second screw rod (231) is in threaded connection with the connecting ring (23).

Images