CN215326226U - Be used for bored concrete pile ultrasonic detector take-up - Google Patents

Be used for bored concrete pile ultrasonic detector take-up Download PDF

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Publication number
CN215326226U
CN215326226U CN202120677484.9U CN202120677484U CN215326226U CN 215326226 U CN215326226 U CN 215326226U CN 202120677484 U CN202120677484 U CN 202120677484U CN 215326226 U CN215326226 U CN 215326226U
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supporting
rod
take
sliding
supporting rod
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CN202120677484.9U
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杨杰
邓亚
李秀春
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Changrui Smart Technology (Sichuan) Co.,Ltd.
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Sichuan Changrui Civil Engineering Testing Co ltd
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Abstract

The utility model provides a take-up device for an ultrasonic detector of a concrete cast-in-place pile, which comprises a take-up assembly and a power assembly, wherein the take-up assembly comprises a roll core, the power assembly comprises a motor, a driver and a power supply, the roll core is connected with the motor, the motor is connected with the driver, the driver is connected with the power supply, the motor is arranged for driving the roll core to rotate, and the power supply is arranged for supplying electric energy to the driver. The utility model provides a take-up device for an ultrasonic detector of a cast-in-place concrete pile, which solves the problem that the take-up and pay-off cannot be automatically carried out in the prior art.

Description

Be used for bored concrete pile ultrasonic detector take-up
Technical Field
The application relates to a bored concrete pile ultrasonic detector technical field particularly, relates to a be used for bored concrete pile ultrasonic detector take-up.
Background
At present, the existing concrete ultrasonic detector take-up and pay-off device mostly needs to be manually taken up and paid off, 2 to 3 people need to be configured for the completion of the process, during operation, 2 or 3 workers need to respectively walk to the end of the cable, then take up the cable, collect along the extending direction of the cable, finally, the cable is piled and thrown beside the wire coil, knotting of the wire easily occurs in the operation process, the rotation of the wire coil is passed through by a plurality of cables, winding is carried out on the wire coil, and a large amount of time of the workers can be wasted in the process.
SUMMERY OF THE UTILITY MODEL
An object of this application provides a be used for bored concrete pile ultrasonic detector take-up, it has solved the problem of the unable automatic line of receiving and releasing of prior art.
The embodiment of the application is realized by the following technical scheme:
the utility model provides a take-up device for an ultrasonic detector of a concrete cast-in-place pile, which comprises a winding assembly and a power assembly, wherein the winding assembly comprises a winding core; above-mentioned power component includes motor, driver and power, and the aforesaid rolls up the core and is connected with above-mentioned motor, and above-mentioned motor is connected with above-mentioned driver, and above-mentioned driver is connected with above-mentioned power, and above-mentioned motor is set up and is used for driving above-mentioned book core and rotates, and above-mentioned power is set up and is used for providing the electric energy for above-mentioned driver.
In some embodiments of the present invention, baffles are disposed at both ends of the winding core, the diameter of the baffle is larger than that of the winding core, an external gear is connected to a shaft end of the output shaft of the motor, an internal gear is recessed in a center of an outer side of the baffle, and the external gear and the internal gear are rotatably connected and coaxially disposed.
In some embodiments of the present invention, the wire takeup device further comprises an auxiliary assembly, the auxiliary assembly comprising a support side frame and a rocking handle; the supporting side frame comprises a connecting rod, a connecting rod II and a connecting rod III; one end of the first connecting rod, one end of the second connecting rod and one end of the third connecting rod are connected to form a connecting part, and the first connecting rod, the second connecting rod and the third connecting rod are positioned on the same horizontal plane; the connecting part is connected with the winding core; one end of the connecting three rods, which is far away from the connecting one rod, is provided with a holding piece; the shaking handle comprises a shaking part and a fixing part, the shaking part and the fixing part are integrally formed, the fixing part is detachably connected with the two connecting rods, the baffle plate is provided with a mounting hole matched with the fixing part, and the shaking handle is arranged for driving the baffle plate to rotate along the axis of the baffle plate.
In some embodiments of the present invention, the auxiliary assembly further comprises a support chassis, the support chassis comprises a first support rod, a second support rod and a third support rod, two ends of the first support rod are respectively connected to one end of the second support rod and one end of the third support rod, the second support rod and the third support rod are parallel, and the first support rod, the second support rod and the third support rod are in the same horizontal plane; one end of the second connecting rod and one end of the third connecting rod are respectively connected with two ends of the first supporting rod; and a placing piece is connected between the second supporting rod and the third supporting rod, and the placing piece is used for placing the power assembly.
In some embodiments of the utility model, the auxiliary assembly further comprises a lead frame coupled to the support chassis, the lead frame configured to control a winding position of the cable on the core.
In some embodiments of the present invention, the lead frame includes a sliding member, a threading member and a connecting member, one end of the connecting member is connected to the sliding member, the threading member is connected to one end of the connecting member away from the sliding member, and the sliding member is parallel to and slidably connected to the two supporting rods; a plurality of first through holes are evenly formed in the wire penetrating piece, and the first through holes are used for penetrating and arranging a pulled cable.
In some embodiments of the present invention, the second through hole and the sliding through groove are formed on the second supporting rod; the second through hole is coaxial with the second supporting rod, and the sliding piece is arranged in the second through hole and is in sliding connection with the second through hole; the sliding through groove is formed in one side, close to the connecting rod, of the supporting two rods and communicated with the second through hole, and the connecting piece penetrates through the sliding through groove.
In some embodiments of the present invention, the lead frame further includes a push-pull member, one end of the sliding member near the supporting side frame is provided with a first connection hole, the first connection hole is detachably connected to the push-pull member, and the push-pull member is configured to push the sliding member to slide along an axis of the sliding member; and one end of the sliding piece, which is far away from the supporting side frame, is provided with a second connecting hole, and the diameter of the second connecting hole is the same as that of the first connecting hole.
In some embodiments of the present invention, the power assembly further comprises a remote controller electrically connected to the motor, the remote controller being configured to control a rotation direction of the motor.
The technical scheme of the embodiment of the application has at least the following advantages and beneficial effects:
(1) the utility model is provided with a winding core, a motor, a driver and a power supply, wherein the winding core is connected with the motor, the motor is connected with the driver, and finally the driver is connected with the power supply. According to the utility model, by arranging the winding core, the motor, the driver and the power supply, the automatic winding and unwinding of the cable is realized, the number of workers is reduced, the speed of winding and unwinding the cable is increased, the working process is simpler, the working efficiency is improved, and the problem that the cable cannot be automatically wound and unwound in the prior art is solved.
(2) According to the utility model, the shaking handle which is detachably connected is arranged, so that when the power supply cannot supply power, the shaking handle can be operated to take up and pay off the wire, and the practicability of the device provided by the utility model is improved.
(3) The utility model can disperse a plurality of cables to be wound and unwound by arranging the lead frame, thereby preventing the cables from being wound and knotted, and simultaneously, the utility model can disperse the coils wound on the winding core and prevent the cables from being accumulated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural view of a take-up device provided in the present application;
fig. 2 is a schematic structural diagram of a baffle plate in the wire take-up device provided by the present application;
fig. 3 is a schematic structural view of an auxiliary assembly in the wire takeup device provided by the present application;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is one of the cross-sectional views of FIG. 4;
FIG. 6 is a second cross-sectional view of FIG. 4;
fig. 7 is a schematic structural view of a rocking handle in a wire take-up device provided by the present application.
Icon: 1-a winding core; 101-a baffle; 1011-mounting holes; 102-internal gear; 2, a motor; 3-a driver; 4-a power supply; 5-connecting a rod; 6-connecting two rods; 7-connecting three rods; 701-a connecting part; 702-a grip; 8-shaking the handle; 801-a rocking section; 802-a stationary part; 9-supporting a rod; 10-supporting two rods; 1001-second via; 1002-sliding through groove; 11-supporting three rods; 1101-a placement member; 12-a slide; 1201-a first connection hole; 1202-second connection hole; 13-a threading element; 1301 — a first via; 14-a connector; 15-push-pull member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "inner", "outer", etc. are used to indicate an orientation or positional relationship based on that shown in the drawings or that the product of the application is usually placed in use, this is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 7, the present invention provides a wire take-up device for an ultrasonic detector of a concrete cast-in-place pile, including a wire take-up assembly and a power assembly, wherein the wire take-up assembly includes a core 1; power component includes motor 2, driver 3 and power 4, rolls up core 1 and is connected with motor 2, and motor 2 is connected with driver 3, and driver 3 is connected with power 4, and motor 2 is set up and is used for driving roll core 1 and rotates, and power 4 is set up and is used for providing the electric energy for driver 3.
The utility model is provided with a winding core 1, a motor 2, a driver 3 and a power supply 4, the winding core 1 is connected with the motor 2, the motor 2 is connected with the driver 3, and finally the driver 3 is connected with the power supply 4, when in work, the position of the winding core 1 is fixed, then the motor 2, the driver 3 and the power supply 4 are connected, then the motor 2 is connected with the winding core 1, after the positions of the winding core 1, the motor 2, the driver 3 and the power supply 4 are adjusted, the power supply 4 is started to provide electric energy for the driver 3, and then the driver 3 drives the motor 2, so that the motor 2 drives the winding core 1 to rotate, and further, a cable is automatically folded under the rotation of the winding core 1, and the wire releasing is carried out in the same way. In detail, the rotating speed of the motor 2 can be controlled through the driver 3, and according to actual use requirements, a worker can regulate and control the driver 3 to change the rotating speed of the motor 2 so as to achieve the speed of the take-up and pay-off wire suitable for the working environment. Optionally, the power supply 4 may be a storage battery, and the model thereof may be ABL-012030P; alternatively, the driver 3 may select a gotter-IO type switching value step driver 3. In other embodiments of the present invention, a speed reducer may be disposed on the motor 2 for further controlling the rotation speed of the motor 2. According to the utility model, by arranging the winding core 1, the motor 2, the driver 3 and the power supply 4, automatic winding and unwinding of cables are realized, the number of workers is reduced, the speed of winding and unwinding wires is increased, the working process is simpler, the working efficiency is improved, and the problem that the cables cannot be wound and unwound automatically in the prior art is solved.
Example 2
On the basis of embodiment 1, provide a be used for bored concrete pile ultrasonic detector take-up, specifically do: both ends of the winding core 1 are provided with baffle plates 101, the diameter of the baffle plates 101 is larger than that of the winding core 1, the shaft end of an output shaft of the motor 2 is connected with an external gear, the center of the outer side of the baffle plates 101 is concavely provided with an internal gear 102, and the external gear and the internal gear 102 are rotatably connected and coaxially arranged. By arranging the baffle 101, the cable can be prevented from falling or sliding off the winding core 1 because of movement in the winding process of the winding core 1.
Example 3
Referring to fig. 3 to 7, based on embodiment 2, a wire take-up device for an ultrasonic detector of a concrete cast-in-place pile is provided, which specifically includes: the take-up device also comprises an auxiliary component, and the auxiliary component comprises a supporting side frame and a rocking handle 8; the supporting side frame comprises a connecting rod 5, a connecting rod 6 and a connecting rod 7; one end of the first connecting rod 5, one end of the second connecting rod 6 and one end of the third connecting rod 7 are connected to form a connecting part 701, and the first connecting rod 5, the second connecting rod 6 and the third connecting rod 7 are positioned on the same horizontal plane; the connecting part 701 is connected with the winding core 1; the end of the connecting three-rod 7 far away from the connecting one-rod 5 is provided with a holding part 702; the shaking handle 8 comprises a shaking part 801 and a fixing part 802, the shaking part 801 and the fixing part 802 are integrally formed, the fixing part 802 is detachably connected with the two connecting rods 6, a mounting hole 1011 matched with the fixing part 802 is formed in the baffle 101, and the shaking handle 8 is arranged to drive the baffle 101 to rotate along the axis of the baffle 101.
The auxiliary assembly further comprises a supporting base frame, the supporting base frame comprises a first supporting rod 9, a second supporting rod 10 and a third supporting rod 11, two ends of the first supporting rod 9 are respectively connected with one end of the second supporting rod 10 and one end of the third supporting rod 11, the second supporting rod 10 and the third supporting rod 11 are parallel, and the first supporting rod 9, the second supporting rod 10 and the third supporting rod 11 are located on the same horizontal plane; one end of the connecting second rod 6 and one end of the connecting third rod 7 are respectively connected with two ends of the supporting first rod 9; a placing piece 1101 is connected between the two supporting rods 10 and the three supporting rods 11, and the placing piece 1101 is used for placing a power assembly.
Through setting up support side bearer and support chassis, can fix the position of spiral subassembly and power component, make whole device more stable at the during operation. Meanwhile, by arranging the shaking handle 8 which can be detachably connected, when the power supply 4 can not supply power, the power assembly is separated from the wire winding assembly, then the shaking handle 8 is detached from the two connecting rods 6 and is arranged at the mounting hole 1011 on the baffle plate 101, and then the wire can be wound and unwound by shaking the shaking handle 8, so that the practicability of the device provided by the utility model is improved. Alternatively, the fixed portion 802 of the rocking handle 8 may be connected to the connecting two rods 6 by means of a screw thread.
In another embodiment of this embodiment, the placing member 1101 may further include a slide rail, the slide rail may further include a slider, the slider may slide on the slide rail, and the slider may further include a locking structure, the locking structure is configured to stop sliding and be fixed after the slider slides to a predetermined position on the slide rail, so as to prevent the slider from being detached from the slide rail. In further embodiment, can also be fixed with on the slider and place the box, place and to set up the through-hole on the box lateral wall, this through-hole is set up and is used for making motor 2's output shaft wear to go out and be connected with rolling up core 1, place power component in and place the box, make motor 2's output shaft wear to go out from the through-hole and roll up core 1 and be connected, the setting of placing the box can make power component's position stable, and place the slider of connecting under the box, can conveniently separate power component and spiral subassembly at any time.
Example 4
Referring to fig. 3 to 7, based on embodiment 3, a wire take-up device for an ultrasonic detector of a concrete cast-in-place pile is provided, which specifically includes: the auxiliary assembly further comprises a lead frame connected to the support chassis, the lead frame being arranged to control the winding position of the cable on the winding core 1.
The lead frame comprises a sliding part 12, a threading part 13 and a connecting part 14, wherein one end of the connecting part 14 is connected with the sliding part 12, the threading part 13 is connected with one end of the connecting part 14 far away from the sliding part 12, and the sliding part 12 is connected with the two support rods 10 in a parallel and sliding way; a plurality of first through holes 1301 are uniformly formed in the wire penetrating piece 13, and the first through holes 1301 are used for penetrating a pulled cable.
A second through hole 1001 and a sliding through groove 1002 are formed in the second supporting rod 10; the second through hole 1001 is coaxial with the secondary support rod 10, and the sliding piece 12 is arranged in the second through hole 1001 and is connected with the second through hole 1001 in a sliding manner; the sliding through groove 1002 is disposed on one side of the supporting two rods 10 close to the connecting one rod 5 and communicated with the second through hole 1001, and the connecting piece 14 penetrates through the sliding through groove 1002.
When the winding core 1 works, in the rotating process of the winding core 1, a worker can pull the connecting piece 14 to enable the connecting piece 14 to drive the sliding piece 12 and the threading piece 13 to slide, so that the cables which are being wound cannot be accumulated all the time in one direction, and the cables are scattered to be wound. The operator can control the cumulative height and width of the coils on the winding core 1 by controlling the amplitude of the pulling action of the connecting piece 14. Through setting up the lead frame, can disperse the many cables that will receive and release, prevent that its winding from knoing, can also make simultaneously to roll up and be dispersed by winding coil on the core 1 and separate, prevent that it from piling up.
It should be noted that the length of the threading member 13 is changed according to the actual requirement, and the first through holes 1301 of the threading member 13 are distributed according to the actual length of the winding core 1. Need set up the interval between first through-hole 1301 and the first through-hole 1301 according to the length that the core 1 was rolled up in reality to reach when staff pulling connecting piece 14, the cable of wearing to establish respectively carries out the accumulation rolling in respective within range in each first through-hole 1301, can effectively avoid the cross rolling between the different cables.
It is worth mentioning that the length of the sliding through slot 1002 is changed according to the length of the winding core 1, so as to achieve the dispersion and convolution of the cables.
Example 5
Referring to fig. 3 to 7, based on embodiment 4, a wire take-up device for an ultrasonic detector of a concrete cast-in-place pile is provided, which specifically includes: the lead frame further comprises a push-pull piece 15, one end of the sliding piece 12 close to the supporting side frame is provided with a first connecting hole 1201, the first connecting hole 1201 is detachably connected with the push-pull piece 15, and the push-pull piece 15 is used for pushing the sliding piece 12 to slide along the axis of the sliding piece; the end of the slider 12 remote from the support side frame is provided with a second connection hole 1202, and the second connection hole 1202 has the same diameter as the first connection hole 1201.
Through seting up first connecting hole 1201 and second connecting hole 1202 at the both ends of slider 12, when automatic receipts and releases the line, will push away and draw piece 15 and be connected with first connecting hole 1201, realize the dispersion and the roll-up of cable, when power 4 can't provide the electric energy, can't realize rolling up core 1 automatic receipts and releases the line, with power component and the separation of rolling up core 1, push away and draw piece 15 and second connecting hole 1202 again, dismantle rocking handle 8 from connecting two poles 6 after that, install on the mounting hole 1011 on baffle 101, rotate baffle 101, make baffle 101 drive roll core 1 and rotate and receive the line, push away and pull piece 15 simultaneously, under the condition that does not have power 4 to make the device automatic receipts line, also can realize manual receipts and releases and disperse the cable.
Example 6
On the basis of embodiment 5, provide a take-up for bored concrete pile ultrasonic detector, specifically do: the power assembly further comprises a remote control (not shown in the figure) electrically connected to the motor 2, the remote control being arranged to control the direction of rotation of the motor 2. Through setting up the remote controller, application remote controller control motor 2 pivoted start-up and stop, corotation and reversal, can make the staff at the during operation, according to the work demand of reality, carry out corresponding operation through controlling the remote controller to motor 2's rotation, further improve the degree of automation and the suitability of this device.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (9)

1. The utility model provides a be used for bored concrete pile ultrasonic detector take-up which characterized in that includes:
a winding assembly including a winding core;
the power assembly, the power assembly includes motor, driver and power, roll up the core with the motor is connected, the motor with the driver is connected, the driver with the power is connected, the motor is set up and is used for driving roll up the core and rotate, the power is set up and is used for doing the driver provides the electric energy.
2. A take-up device as claimed in claim 1,
the both ends of rolling up the core all are provided with the baffle, the diameter of baffle is greater than roll up the diameter of core, the axle head of motor output shaft is connected with the external gear, the concave internal gear that is equipped with in outside center department of baffle, the external gear with the internal gear rotates and connects and coaxial setting.
3. A take-up device as claimed in claim 2,
the take-up device also comprises an auxiliary component, and the auxiliary component comprises a supporting side frame and a shaking handle; the supporting side frame comprises a first connecting rod, a second connecting rod and a third connecting rod; one end of the first connecting rod, one end of the second connecting rod and one end of the third connecting rod are connected to form a connecting part, and the first connecting rod, the second connecting rod and the third connecting rod are positioned on the same horizontal plane; the connecting part is connected with the winding core; a holding piece is arranged at one end of the connecting three rods, which is far away from the connecting one rod; the shaking handle comprises a shaking part and a fixing part, the shaking part and the fixing part are integrally formed, the fixing part and the two connecting rods are detachably connected, a mounting hole matched with the fixing part is formed in the baffle, and the shaking handle is arranged to drive the baffle to rotate along the axis of the baffle.
4. A take-up device as claimed in claim 3,
the auxiliary assembly further comprises a supporting bottom frame, the supporting bottom frame comprises a first supporting rod, a second supporting rod and a third supporting rod, two ends of the first supporting rod are respectively connected with one end of the second supporting rod and one end of the third supporting rod, the second supporting rod and the third supporting rod are parallel, and the first supporting rod, the second supporting rod and the third supporting rod are located on the same horizontal plane; one end of the second connecting rod and one end of the third connecting rod are respectively connected with two ends of the first supporting rod; and a placing piece is connected between the second supporting rod and the third supporting rod, and the placing piece is used for placing the power assembly.
5. A take-up device as claimed in claim 4,
the auxiliary component further comprises a lead frame, the lead frame is connected with the supporting bottom frame, and the lead frame is used for controlling the winding position of the cable on the winding core.
6. A take-up device as claimed in claim 5,
the lead frame comprises a sliding part, a threading part and a connecting part, one end of the connecting part is connected with the sliding part, the threading part is connected with one end of the connecting part far away from the sliding part, and the sliding part is parallel to and slidably connected with the two supporting rods; a plurality of first through holes are uniformly formed in the wire penetrating piece, and the first through holes are used for penetrating through a pulled cable.
7. A take-up device as claimed in claim 6,
the second through hole and the sliding through groove are formed in the second supporting rod; the second through hole is coaxial with the second supporting rod, and the sliding piece is arranged in the second through hole and is in sliding connection with the second through hole; the sliding through groove is formed in the position that the supporting two rods are close to one side of the connecting rod and communicated with the second through hole, and the connecting piece penetrates through the sliding through groove.
8. A take-up device as claimed in claim 7,
the lead frame further comprises a push-pull piece, a first connecting hole is formed in one end, close to the supporting side frame, of the sliding piece, the first connecting hole is detachably connected with the push-pull piece, and the push-pull piece is used for pushing the sliding piece to slide along the axis of the sliding piece; one end, far away from the supporting side frame, of the sliding piece is provided with a second connecting hole, and the diameter of the second connecting hole is the same as that of the first connecting hole.
9. A take-up device as claimed in claim 1,
the power assembly further comprises a remote controller, the remote controller is electrically connected with the motor, and the remote controller is used for controlling the rotation direction of the motor.
CN202120677484.9U 2021-04-01 2021-04-01 Be used for bored concrete pile ultrasonic detector take-up Active CN215326226U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120677484.9U CN215326226U (en) 2021-04-01 2021-04-01 Be used for bored concrete pile ultrasonic detector take-up

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120677484.9U CN215326226U (en) 2021-04-01 2021-04-01 Be used for bored concrete pile ultrasonic detector take-up

Publications (1)

Publication Number Publication Date
CN215326226U true CN215326226U (en) 2021-12-28

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Country Status (1)

Country Link
CN (1) CN215326226U (en)

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Address after: No. 6, Zone 5, Huayin Industrial Port, No. 618 Kexing West Road, Chengdu Cross Strait Science and Technology Industry Development Park, Wenjiang District, Chengdu City, Sichuan Province

Patentee after: Changrui Smart Technology (Sichuan) Co.,Ltd.

Country or region after: China

Address before: No. 6, Zone 5, Huayin Industrial Port, No. 618 Kelin West Road, Wenjiang District, Chengdu City, Sichuan Province

Patentee before: Sichuan Changrui Civil Engineering Testing Co.,Ltd.

Country or region before: China