CN217732321U

CN217732321U - Construction engineering crack detection device

Info

Publication number: CN217732321U
Application number: CN202221357932.8U
Authority: CN
Inventors: 张永水; 寇丽飞; 李孝卿; 肖杨
Original assignee: Chongqing Jiaotong University Construction Engineering Quality Testing Center Co ltd
Current assignee: Chongqing Jiaotong University Construction Engineering Quality Testing Center Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-04
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a construction engineering crack detection device, and locate on the device body, be used for connecting test probe's connecting wire, be equipped with on the device body with connecting wire matched with pulls the subassembly, it includes to pull the subassembly: the first shell is fixedly arranged on the device body; the second shell is detachably buckled on the first shell to define an installation cavity for accommodating the connecting wire, and the installation cavity is provided with an inlet and an outlet communicated with the installation cavity; the mounting seat is rotatably arranged in the mounting cavity and is provided with a coil spring for driving the mounting seat to rotate, so that the coil spring outwards pulls out the connecting wire during stretching and inwards winds the connecting wire during contraction. The utility model provides a traditional crack detection device receive and unreel slow, the easy technical problem who ties.

Description

Construction engineering crack detection device

Technical Field

The utility model relates to a construction engineering auxiliary assembly technical field especially relates to a construction engineering crack detection device.

Background

The crack detector is used for accurately detecting the width and depth of cracks on bridges, tunnels, buildings, concrete pavements, metal surfaces and the like. The application number is 2020223193917, the name is one kind and manages the china utility model patent with building crack detection device discloses "storage device includes baffle, winding axle, fixed subassembly and fixed block, fixedly connected with winding axle between the inner wall of two baffles, and baffle one side is close to and is provided with fixed subassembly, one side outer wall center fixedly connected with fixed block of department of baffle on the inner wall of lower extreme". The device solves the problems that the connecting wire is easy to knot and is difficult to store and the like by winding the connecting wire on the winding shaft; however, the device requires the connecting wire to be wound on the winding shaft manually, and the connecting wire still has the risk of knotting in the process; meanwhile, the length of the connecting line is not convenient to adjust rapidly in the detection process.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a construction engineering crack detection device to traditional crack detection device receive and unreel slow, the easy technical problem who ties in solving the correlation technique.

The utility model provides a construction engineering crack detection device, including the device body, and locate on the device body, be used for connecting test probe's connecting wire, be equipped with on the device body with connecting wire matched with pulls the subassembly, it includes to pull the subassembly:

the first shell is fixedly arranged on the device body;

the second shell is detachably buckled on the first shell to define an installation cavity for accommodating the connecting wire, and the installation cavity is provided with an inlet and an outlet communicated with the installation cavity;

the mounting seat is rotatably arranged in the mounting cavity and is provided with a coil spring for driving the mounting seat to rotate, so that the coil spring outwards pulls out the connecting wire during stretching and inwards winds the connecting wire during contraction.

The utility model discloses a theory of operation: when the device is used, the connecting line is pulled out by a corresponding length, and a building object is detected by using the detection probe, and the detected data is fed back to the device body; after the detection is finished, the connecting wire is loosened, and the connecting wire is automatically rolled inwards into the mounting cavity.

Compared with the prior art, the utility model discloses following beneficial effect has: the traction assembly is additionally arranged on the device body, so that the connecting wire can be rapidly wound and unwound, and the knotting of the connecting wire is avoided; moreover, the mounting seat can rotate forwards or backwards in the mounting cavity by matching with the coil spring, so that the connecting wires are pulled out from the mounting cavity one by one after the coil spring is stretched, and detection on the points to be detected at different positions is facilitated; the contraction of the coil spring can enable the connecting wire to be quickly wound on the mounting seat, so that the connecting wire is intensively stored and the risk of knotting between the connecting wire and the mounting seat is reduced; meanwhile, the winding and unwinding speed of the connecting wire can be improved, and manual winding is not needed.

Furthermore, a positioning shaft is fixedly arranged on the first shell or the second shell, and the mounting seat is rotatably arranged on the positioning shaft.

Furthermore, an integrated stop block is arranged on the mounting seat to limit a winding channel for winding the connecting wire.

Furthermore, a plurality of fixing columns are arranged on the opposite surfaces of the first shell and the second shell, and fixing holes which are arranged along the axial direction of the fixing columns are formed in the fixing columns which are positioned on the same side, so that the fixing columns on the other side can be detachably inserted into the fixing holes.

Further, be equipped with in the installation cavity and be close to the spacing subassembly that the export was arranged, spacing subassembly includes relative slip's fixed part and movable part, the connecting wire is worn to locate on the movable part, so that the fixed part with the movable part is fixed when drawing close gradually the connecting wire loosens when separating gradually the connecting wire.

Further, the fixed part including set firmly in fixed block on first casing or the second casing, the fixed block is L type structure, and its horizontal end sets firmly vertical spring of arranging downwards, and its perpendicular end offers and is used for the card to establish the bayonet socket of connecting wire.

Further, the movable part is located including sliding first casing or movable block on the second casing and being located the outer handle of installation cavity, the one end of movable block with spring fixed connection, the other end of movable block is seted up and is used for the through-hole that the connecting wire passed to the part stretches out the installation cavity outer with the handle is connected, works as the movable block compression during the spring, the through-hole with the bayonet socket is linked together.

Furthermore, a positioning block is fixedly arranged on the first shell or the second shell, and when the movable block stretches the spring, the movable block is abutted against the positioning block.

Furthermore, a plurality of guide posts are fixedly arranged on the first shell or the second shell.

Furthermore, a containing block is fixedly arranged on the device body, and a containing opening for the connecting wire to pass through is formed in the containing block.

Drawings

Fig. 1 is a schematic structural view of a crack detection device for construction engineering in an embodiment of the present invention;

fig. 2 is an exploded view of a traction assembly in an embodiment of the present invention;

fig. 3 is a schematic partial structural view of a first housing according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a movable portion in an embodiment of the present invention.

The reference numbers illustrate:

1. a device body; 2. detecting a probe; 3. a connecting wire; 4. a traction assembly; 41. a first housing; 42. a second housing; 43. a mounting seat; 44. a coil spring; 5. positioning the shaft; 6. a stopper; 7. fixing a column; 8. a limiting component; 81. a fixed part; 811. a fixed block; 812. a spring; 813. a bayonet; 82. a movable portion; 821. a movable block; 822. a handle; 823. a through hole; 9. positioning blocks; 10. a guide post; 11. receiving the block; 12. an accommodating port.

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the following technical solutions of the present invention are further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, the utility model provides a construction engineering crack detection device, including device body 1, and locate on the device body 1, be used for connecting the connecting wire 3 of test probe 2, be equipped with on the device body 1 with connecting wire 3 matched with pulls subassembly 4, it includes to pull subassembly 4:

the first shell 41, the first shell 41 is fixedly arranged on the device body 1;

the second shell 42 is detachably buckled on the first shell 41 to define an installation cavity for accommodating the connecting wire 3, and the installation cavity is provided with an inlet and an outlet communicated with the installation cavity;

and the mounting seat 43 is rotatably arranged in the mounting cavity, and is provided with a coil spring 44 for driving the mounting seat 43 to rotate, so that the coil spring 44 pulls the connecting wire 3 outwards when being stretched and winds the connecting wire 3 inwards when being contracted.

In this embodiment, as shown in fig. 1, a detection probe 2 is disposed on a device body 1, the detection probe 2 is connected to the device body 1 through a connection line 3, so as to feed back detection data to the device body 1, and reference may be made to a chinese utility model patent having a patent number of 201921398476X and a name of crack detector, which is a prior art and will not be described in detail herein; in order to facilitate rapid winding and unwinding of the connecting wire 3, the device body 1 is provided with the traction assembly 4, and the connecting wire 3 is wound on the traction assembly 4 so as to reduce the risk of knotting of the connecting wire 3; the traction assembly 4 includes a first housing 41 and a second housing 42 detachably engaged with each other, a mounting seat 43 for winding the connecting wire 3, and a coil spring 44 for driving the mounting seat 43 to rotate, the mounting seat 43 is rotatably disposed on the first housing 41 (in other embodiments, the mounting seat 43 may also be rotatably disposed on the second housing 42), as shown in fig. 2, the mounting seat 43 has two states of forward rotation and reverse rotation, and the coil spring 44 can be stretched during forward rotation, so that the connecting wire 3 wound on the mounting seat 43 can be rapidly pulled out from an outlet on the mounting cavity, thereby facilitating rapid detection of a point to be detected; on the contrary, the pulled-out connecting wire 3 can be rapidly wound on the mounting seat 43 due to the action of the coil spring 44 (i.e. the coil spring 44 contracts and resets) during reverse rotation, so as to replace the manual winding mode, and achieve rapid winding and unwinding of the connecting wire 3.

The first housing 41 or the second housing 42 is fixedly provided with a positioning shaft 5, and the mounting seat 43 is rotatably arranged on the positioning shaft 5.

In this embodiment, in order to enable the mounting base 43 to rotate on the first housing 41 (in other embodiments, the mounting base 43 may also rotate on the second housing 42), the positioning shaft 5 is fixedly disposed on the first housing 41, and the mounting base 43 is rotatably connected to the positioning shaft 5, so that the mounting base 43 rotates forward or backward around the axis of the positioning shaft 5, thereby performing reeling and unreeling operations on the connection line 3; meanwhile, the positioning shaft 5 can limit the mount 43 to rotate while keeping it at this position.

The mounting seat 43 is provided with an integral stopper 6 to define a winding passage for winding the connection wire 3.

In this embodiment, since the connection line 3 needs to be wound on the mounting base 43, in order to avoid the connection line 3 from being separated from the mounting base 43 to affect the winding and unwinding speed and/or cause knotting, the integrated stopper 6 is disposed on the mounting base 43, and the stopper 6 and the mounting base 43 are coaxially arranged, so as to define a winding channel with the mounting base 43, where the winding channel is used for limiting the connection line 3, so that the connection line 3 can be wound along a preset path.

A plurality of fixing columns 7 are arranged on the opposite surfaces of the first shell 41 and the second shell 42, and fixing holes arranged along the axial direction of the fixing columns 7 on the same side are formed in the fixing columns 7, so that the fixing columns 7 on the other side can be detachably inserted into the fixing holes.

In this embodiment, in order to achieve the purpose that the first housing 41 and the second housing 42 can be detachably fastened, the fixing posts 7 are disposed on the opposite surfaces of the first housing 41 and the second housing 42, and the fixing posts 7 located on the same side are provided with fixing holes arranged along the axial direction thereof, so that when the first housing 41 and the second housing 42 are attached to each other, the fixing posts 7 located on the same side can extend out of the fixing holes located on the other side, and the corresponding fixing posts 7 can be fastened together.

Be equipped with in the installation cavity and be close to spacing subassembly 8 that the export was arranged, spacing subassembly 8 includes relative slip's fixed part 81 and movable part 82, connecting wire 3 wears to locate on the movable part 82, so that fixed part 81 with movable part 82 is fixed when drawing close gradually connecting wire 3 loosens when separating gradually connecting wire 3.

In the embodiment, in order to prevent the connecting wire 3 from returning during detection, a limiting component 8 is arranged at the position, close to the outlet, of the installation cavity, and the limiting component 8 is used for limiting and fixing the connecting wire 3 to ensure that the extending length of the connecting wire meets the actual requirement; wherein, spacing subassembly 8 includes relative slip's fixed part 81 and movable part 82, and fixed part 81 is used for spacing movable part 82, and movable part 82 is used for bringing connecting wire 3 into fixed part 81 department and realizes the fixed of connecting wire 3, avoids connecting wire 3 to receive automatically when examining and unreel. Specifically, the fixing portion 81 includes a fixing block 811 fixedly disposed on the first housing 41 or the second housing 42, the fixing block 811 is an L-shaped structure, a spring 812 vertically disposed downward is fixedly disposed at a transverse end of the fixing block 811, and a bayonet 813 for clamping the connecting wire 3 is disposed at a vertical end of the fixing block; furthermore, the movable portion 82 includes a movable block 821 slidably disposed on the first housing 41 or the second housing 42 and a handle 822 located outside the installation cavity, one end of the movable block 821 is fixedly connected to the spring 812, a through hole 823 for the connecting wire 3 to pass through is formed at the other end of the movable block 821, and a portion of the through hole 823 extends out of the installation cavity to be connected to the handle 822, and when the movable block 821 compresses the spring 812, the through hole 823 is communicated with the bayonet 813.

In this embodiment, as shown in fig. 3 and 4, in order to enable the connecting wire 3 to have a fixed state and a movable state, the fixing portion 81 of the limiting component 8 includes a fixing block 811 having an L-shaped structure and a spring 812 fixed on the fixing block 811, the fixing block 811 is fixed on the first housing 41 (in other embodiments, the fixing block 811 may also be fixed on the second housing 42), and a bayonet 813 for clamping the connecting wire 3 is opened on a vertical end of the fixing block 811; the movable portion 82 includes a movable block 821 slidably disposed on the first housing 41 (in other embodiments, the movable block 821 may also be slidably disposed on the second housing 42) and a handle 822 for facilitating operation of an operator, the movable block 821 can be close to or far from the fixed block 811 so as to compress or stretch the spring 812, so that a through hole 823 disposed on the movable block 821 has a first state communicating with the bayonet 813 and a second state staggered with the bayonet 813, since the connecting wire 3 is always disposed through the through hole 823, in the first state, the connecting wire 3 can be clamped on the fixed block 811 through the bayonet 813 so as to be positioned, and meanwhile, the operator can prevent the connecting wire 3 from slipping out of the bayonet 813 by gripping the handle 822; on the contrary, in the second state, the connecting wire 3 falls off from the bayonet 813 and moves downward along with the movable block 821, and the handle 822 is in a relaxed state at this time, so that the connecting wire 3 is conveniently wound and unwound. Of course, a harness may be added to the device body 1 for the convenience of the operator.

A positioning block 9 is fixedly disposed on the first housing 41 or the second housing 42, and when the movable block 821 stretches the spring 812, the movable block 821 abuts against the positioning block 9.

In this embodiment, in order to prevent the movable block 821 from sliding out of the installation cavity when sliding in a direction away from the fixed block 811, the positioning block 9 is fixedly arranged on the first housing 41 (in other embodiments, the positioning block 9 may also be fixedly arranged on the second housing 42), and when the movable block 821 is reset, the movable block 821 can abut against the positioning block 9, so that the movable block 821 can be limited from continuously moving downwards under the influence of gravity; meanwhile, the structure of the device is more compact.

A plurality of guide posts 10 are fixedly arranged on the first casing 41 or the second casing 42.

In this embodiment, in order to guide the connection wire 3 from the mounting seat 43 to the outlet, the guide post 10 is disposed on the first housing 41 (in other embodiments, the guide post 10 may also be disposed on the second housing 42), and the connection wire 3 is wound around the guide post 10, so as to not only perform a guiding function, but also enable the connection wire 3 to be in a tensioned state for better reeling and unreeling.

The device body 1 is fixedly provided with a receiving block 11, and the receiving block 11 is provided with a receiving opening 12 for the connecting wire 3 to pass through.

In this embodiment, in order to protect the detection probe 2 and prevent the detection probe from contacting other objects when not in use, a receiving block 11 is fixedly arranged on the device body 1, and a receiving opening 12 for the connection wire 3 to pass through is formed on the receiving block 11; in this way, when not in use, the price connecting wire 3 is inserted into the receiving opening 12 so as to partially wrap the price connecting wire, and the detection probe 2 abuts against the receiving block 11 so that the receiving block 11 provides upward supporting force for the detection probe 2 and reduces the contact between the detection probe and other objects.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a construction engineering crack detection device, includes device body (1), and locates on device body (1), be used for connecting wire (3) of test probe (2), its characterized in that, be equipped with on device body (1) with connecting wire (3) matched with pull subassembly (4), pull subassembly (4) and include:

a first housing (41), the first housing (41) being fixedly arranged on the device body (1);

the second shell (42) is detachably buckled on the first shell (41) to define a mounting cavity for accommodating the connecting wire (3), and the mounting cavity is provided with an inlet and an outlet communicated with the mounting cavity;

the mounting seat (43) is rotatably arranged in the mounting cavity and is provided with a coil spring (44) for driving the mounting seat (43) to rotate, so that the coil spring (44) is pulled out of the connecting wire (3) when stretched and is wound inwards to the connecting wire (3) when contracted.

2. The crack detection device for construction projects according to claim 1, wherein a positioning shaft (5) is fixedly arranged on the first housing (41) or the second housing (42), and the mounting seat (43) is rotatably arranged on the positioning shaft (5).

3. A construction work crack detection device as claimed in claim 1, characterized in that the mounting seat (43) is provided with an integrated stop (6) to define a winding channel for winding the connection wire (3).

4. The construction engineering crack detection device according to claim 1, wherein a plurality of fixing posts (7) are disposed on the opposite surfaces of the first casing (41) and the second casing (42), and fixing holes are disposed along the axial direction of the fixing posts (7) on the same side, so that the fixing posts (7) on the other side can be detachably inserted into the fixing holes.

5. The crack detection device for the construction engineering as claimed in any one of the claims 1 to 4, wherein a limiting component (8) is arranged in the installation cavity and close to the outlet, the limiting component (8) comprises a fixed part (81) and a movable part (82) which slide relatively, and the connecting wire (3) is arranged on the movable part (82) in a penetrating manner, so that the connecting wire (3) is fixed when the fixed part (81) and the movable part (82) are gradually closed together, and the connecting wire (3) is loosened when the connecting wire is gradually separated.

6. The crack detection device for the construction engineering as claimed in claim 5, wherein the fixing portion (81) comprises a fixing block (811) fixed on the first casing (41) or the second casing (42), the fixing block (811) is an L-shaped structure, a spring (812) arranged vertically and downwardly is fixed at a transverse end of the fixing block, and a bayonet (813) for clamping the connecting wire (3) is opened at a vertical end of the fixing block.

7. The construction engineering crack detection device as claimed in claim 6, wherein the movable portion (82) comprises a movable block (821) slidably disposed on the first housing (41) or the second housing (42) and a handle (822) located outside the installation cavity, one end of the movable block (821) is fixedly connected to the spring (812), the other end of the movable block (821) is provided with a through hole (823) for the connection wire (3) to pass through, and partially extends out of the installation cavity to be connected to the handle (822), and when the movable block (821) compresses the spring (812), the through hole (823) is communicated with the bayonet (813).

8. The crack detection device for construction projects as claimed in claim 7, wherein a positioning block (9) is fixedly arranged on the first housing (41) or the second housing (42), and when the movable block (821) stretches the spring (812), the movable block (821) abuts against the positioning block (9).

9. The crack detection device for construction projects as claimed in claim 1, wherein a plurality of guide pillars (10) are fixed on the first housing (41) or the second housing (42).

10. The crack detection device for the construction engineering as claimed in claim 1, wherein the device body (1) is fixedly provided with a receiving block (11), and the receiving block (11) is provided with a receiving opening (12) for the connecting wire (3) to pass through.