CN216289904U - Cable poling system for building construction - Google Patents

Cable poling system for building construction Download PDF

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Publication number
CN216289904U
CN216289904U CN202122921532.7U CN202122921532U CN216289904U CN 216289904 U CN216289904 U CN 216289904U CN 202122921532 U CN202122921532 U CN 202122921532U CN 216289904 U CN216289904 U CN 216289904U
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CN
China
Prior art keywords
cable
threading
pipe
box
building construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN202122921532.7U
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Chinese (zh)
Inventor
吕广春
史苏东
孙海兵
蒋严峰
陈连
卢鑫华
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Jiangsu Suzhong Construction Group Co Ltd
Original Assignee
Jiangsu Suzhong Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Suzhong Construction Group Co Ltd filed Critical Jiangsu Suzhong Construction Group Co Ltd
Priority to CN202122921532.7U priority Critical patent/CN216289904U/en
Application granted granted Critical
Publication of CN216289904U publication Critical patent/CN216289904U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a cable pipe penetrating system for building construction, which comprises a moving trolley, a cable box and a cable pipe penetrating tool, wherein the cable box comprises a box cylinder and a cover, a shaft base and a shaft top seat are respectively arranged at the central positions of a box cylinder bottom plate and the cover, a spool is arranged between the shaft base and the shaft top seat, a cable is sleeved outside the spool, a weighing sensor is arranged on the box cylinder bottom plate, an electronic circuit board is embedded in the box cylinder bottom plate and is integrated with a controller, a display screen is arranged on the outer side wall of the cable box, and a long hole for the cable to penetrate through is formed in the cable box. According to the utility model, the cable is threaded through the cable threading tool, so that damage in the cable threading process is avoided, the cable is prevented from being wound in the concealed conduit, the assembly length of the tool can be adaptively adjusted according to the actual threading length, the use length of the cable with reduced weight is converted according to the weight relation corresponding to the cable with unit length, and the cable is displayed through the display screen, so that the cable threading tool is visual and accurate.

Description

Cable poling system for building construction
Technical Field
The utility model belongs to the technical field of cable penetrating pipes for house construction, and particularly relates to a cable penetrating pipe system for house construction.
Background
In the house construction process, the comprehensive wiring in the house building is needed, the house building comprises a network system, a telephone system, a monitoring system, a power supply system, a lighting system and the like, when the comprehensive wiring and maintenance work in the building is carried out, in order to keep the beauty of the interior of the building to the maximum extent, relevant specifications require that cables can be laid by using concealed pipes as much as possible, the cables can only be passed through seamless steel pipes or PVC pipes by using concealed pipes to lay the cables, the conventional mode usually adopts an iron wire to pass through the pipes, the mode has the problems of inconvenient operation and low working efficiency, in addition, a device for placing the cables only can provide the cable storage function, the length of the cables cannot be measured in the process of cutting the cables for use, the functionality is single, the practicability is low, and in the actual installation, the threading task in the cable pipes is difficult to be completed by the hardness of the cables due to the soft texture of the cables, meanwhile, the length of the concealed pipe is often longer, the design requirement is difficult to complete in ordinary pipe penetrating operation, and the construction period is easy to delay. Therefore, a cable tube penetrating system for building construction is needed, which can solve the above problems, meet the cable tube penetrating requirements of concealed tubes with different lengths, and simultaneously obtain the cable service length.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that aiming at the defects in the prior art, the cable pipe penetrating system for building construction is provided, the design is novel and reasonable, the cable is threaded through the cable pipe penetrating tool, the damage in the cable pipe penetrating process is avoided, the cable is prevented from being wound in a hidden pipe, the assembly length of the tool can be adaptively adjusted according to the actual threading length, the use length of the cable after the weight is reduced is converted according to the weight relation corresponding to the cable with the unit length, and the display screen is used for displaying, so that the cable pipe penetrating system is visual and accurate and is convenient to popularize and use.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a construction is built with cable poling system which characterized in that in room: the cable box comprises a moving trolley, a cable box and a cable pipe penetrating tool, wherein the cable box is placed on the moving trolley and used for storing cables, the cable pipe penetrating tool is used for enabling the cables to penetrate through concealed pipes, the cable box comprises a box barrel and a cover inserted at the top of the box barrel, a shaft base is arranged at the center of a box barrel bottom plate, a shaft top seat is arranged at the center of the cover, a spool is arranged between the shaft base and the shaft top seat, the cables are sleeved outside the spool, a weighing sensor is installed on the box barrel bottom plate, an electronic circuit board is further embedded and installed in the box barrel bottom plate, a controller is integrated on the electronic circuit board, a display screen is installed on the outer side wall of the cable box, the signal output end of the weighing sensor is connected with the input end of the controller, the signal input end of the display screen is connected with the output end of the controller, and a long hole for the cables to penetrate through is formed in the cable box; the number of cable boxes is plural.
Foretell cable poling system for building construction, its characterized in that: the moving wheels of the moving trolley are universal wheels.
Foretell cable poling system for building construction, its characterized in that: a plurality of slots are formed in the top of the box barrel, a plurality of plug-in units are arranged at the bottom of the cover, and the number of the plug-in units is equal to that of the slots and corresponds to that of the slots one by one.
Foretell cable poling system for building construction, its characterized in that: the cable threading tool comprises a guide head, a thread loading head and a threading mechanism which are connected in sequence, the threading mechanism comprises a plurality of threading pipes which are connected in sequence, and the guide head is of a hollow structure;
the wire loading head comprises a wire loading pipe and a wire loading threaded pipe which is arranged on the front side of the wire loading pipe and integrally connected with the wire loading pipe, a sealing plate is arranged on the front side of the wire loading threaded pipe, a wire threading hole for one end of a cable to pass through is formed in the sealing plate, a wire loading head connecting groove is formed in the inner side of the tail of the wire loading pipe, and an internal thread is formed in the inner wall of the wire loading head connecting groove;
the threading pipe includes threading pipeline section and sets up in threading pipeline section front side and with threading pipeline section body coupling's threading screwed pipe, threading pipeline section afterbody inboard is provided with the threading pipe spread groove, and threading pipe spread groove inner wall is provided with the internal thread.
Foretell cable poling system for building construction, its characterized in that: the guide head is a conical guide head with a hollow structure, and internal threads matched with the wire-carrying threaded pipe are arranged on the inner side wall of the tail part of the conical guide head.
Foretell cable poling system for building construction, its characterized in that: the threading threaded pipe of the first threading pipe in the plurality of threading pipes is in threaded connection with the thread carrying head connecting groove; the threading threaded pipe of the threading pipe positioned at the rear side in the two adjacent threading pipes is in threaded connection with the threading pipe connecting groove of the threading pipe positioned at the rear side.
Foretell cable poling system for building construction, its characterized in that: the threading pipe is equally divided into a first threading branch pipe and a second threading branch pipe along the length direction, a plurality of positioning blocks are arranged on the tangent plane of the first threading branch pipe, a plurality of positioning grooves are arranged on the tangent plane of the second threading branch pipe, the number of the positioning grooves is equal to that of the positioning blocks, the positioning grooves correspond to the positioning blocks one by one, and the corresponding positioning grooves are matched with the positioning blocks in a clamping mode.
Foretell cable poling system for building construction, its characterized in that: the line carrying pipe and the threading pipe are both located on the outer side of the cable.
Foretell cable poling system for building construction, its characterized in that: the number of the threading holes is multiple, and one end of the cable, which penetrates through the threading holes and is positioned in the guide head, is knotted.
Compared with the prior art, the utility model has the following advantages:
1. the guide head, the wire loading head and the plurality of threading pipes are assembled into a whole through threaded connection, so that the length of the cable threading device can be conveniently adjusted according to the length of a concealed pipe, and the threaded connection, the disassembly and the assembly are convenient; in addition, the cable penetrates through the threading hole and is knotted at one end in the guide head, so that the position of the cable arranged on the cable threading device can be fixed, the cable is prevented from being wound in the concealed conduit, and the method is quick and simple; the outer side wall of the pipe penetrating device is pushed by hand to facilitate the pushing and moving of the cable, so that the cable pipe penetrating device can freely move in the hidden pipe, the cable is completely positioned in the device, the damage in the cable pipe penetrating process is avoided, the cable is prevented from being wound in the hidden pipe, and the cable is convenient to penetrate; can be according to the assembly length of actual threading length self-adaptation adjusting device, the practicality is strong, and the quantity in through wires hole can set up a plurality ofly, is applicable to multiple cable poling simultaneously.
2. The weight relation corresponding to the cable in unit length is predetermined, the weight before use and the weight after use are weighed by the weighing sensor, the use length of the cable is converted according to the weight reduction value of the cable, the method is accurate and reliable, the display screen is arranged on the outer side wall of the cable box, the use condition of the cable is displayed by the display screen, and the method is visual and effective.
3. The cable box is novel and reasonable in design, the cable box adopts an assembly form of the box cylinder and the cover inserted at the top of the box cylinder, the cable is convenient to replace and place, the cable is wound into the wire coil in advance, the cover is opened, the cable is sleeved on the wire shaft, the cable head extends out of the strip hole, the cable is pulled, and the cable rotates around the wire shaft, so that the cable is prevented from being wound, is tidy and standard, and is convenient to popularize and use.
In conclusion, the cable threading device is novel and reasonable in design, avoids damage in the cable threading process through threading of the cable threading tool, prevents cables from being wound in a hidden pipe, can adaptively adjust the assembly length of the tool according to the actual threading length, converts the use length of the cables after the weight is reduced according to the weight relation corresponding to the cables in unit length, displays the use length through the display screen, is visual and accurate, and is convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of a non-threading pipe according to the present invention.
FIG. 2 is a schematic view of the structure of the threading tube according to the present invention.
Fig. 3 is a schematic structural view of the cable box of the present invention.
FIG. 4 is a schematic structural view of the cable transit tool of the present invention.
Fig. 5 is a schematic structural diagram of the wire loading head of the present invention.
FIG. 6 is a schematic view of the structure of the threading tube of the present invention.
Fig. 7 is a schematic structural view of a first threading branch pipe of the present invention.
Fig. 8 is a schematic structural view of a second threading sub-tube of the present invention.
Description of reference numerals:
1-a guide head; 2-carrying wire head; 2-1-line carrying pipe;
2-a thread-carrying threaded pipe; 2-3-wire loading head connecting groove; 2-4, sealing plates;
2-5-threading holes; 3-threading tube; 3-1-threading pipe section;
3-1-first threading branch pipe; 3-1-2-second threading branch pipe; 3-2-threading a threaded pipe;
3-connecting groove of threading pipe; 3-4-positioning block; 3-5-positioning groove;
4-a cable; 5, moving the trolley; 6-universal wheel;
7-cable box; 7-1-a cartridge; 7-2-lid;
7-3-plug-in; 8-a long hole; 9-a display screen;
10-shaft base; 11-a shaft top seat; 12-a spool;
13-electronic circuit board.
Detailed Description
As shown in fig. 1 to 8, the present invention comprises a mobile cart 5, a cable box 7 placed on the mobile cart 5 for storing cables 4 and a cable pipe penetrating tool for penetrating the cables 4 through concealed pipes, wherein the cable box 7 comprises a box cylinder 7-1 and a cover 7-2 inserted on the top of the box cylinder 7-1, a shaft base 10 is arranged at the center of the bottom plate of the box cylinder 7-1, a shaft top base 11 is arranged at the center of the cover 7-2, a spool 12 is arranged between the shaft base 10 and the shaft top base 11, the cables 4 are sleeved outside the spool 12, a weighing sensor is installed on the bottom plate of the box cylinder 7-1, an electronic circuit board 13 is also embedded in the bottom plate of the box cylinder 7-1, a controller is integrated on the electronic circuit board 13, a display screen 9 is installed on the outer side wall of the cable box 7, and the signal output end of the weighing sensor is connected with the input end of the controller, the signal input end of the display screen 9 is connected with the output end of the controller, and the cable box 7 is provided with a long hole 8 for the cable 4 to pass through; the number of the cable boxes 7 is plural.
The cable threading device is characterized in that the guide head, the wire loading head and the plurality of threading pipes are assembled into a whole through threaded connection, so that the length of the cable threading device can be conveniently adjusted according to the length of the concealed pipe, and the threaded connection, the disassembly and the assembly are convenient; in addition, the cable penetrates through the threading hole and is knotted at one end in the guide head, so that the position of the cable arranged on the cable threading device can be fixed, the cable is prevented from being wound in the concealed conduit, and the method is quick and simple; the outer side wall of the pipe penetrating device is pushed by hand to facilitate the pushing and moving of the cable, so that the cable pipe penetrating device can freely move in the hidden pipe, the cable is completely positioned in the device, the damage in the cable pipe penetrating process is avoided, the cable is prevented from being wound in the hidden pipe, and the cable is convenient to penetrate; the assembly length of the device can be adjusted in a self-adaptive mode according to the actual threading length, the practicability is high, and the number of the threading holes can be multiple, so that the device is suitable for simultaneously threading various cables; the weight relation corresponding to the cable in unit length is predetermined, then the weight before use and the weight after use are weighed by using the weighing sensor, the use length of the cable is converted according to the weight reduction value of the cable, the use length is accurate and reliable, the display screen is arranged on the outer side wall of the cable box, the use condition of the cable is displayed by using the display screen, and the use condition of the cable is visual and effective; the cable case adopts the box and pegs graft the equipment form at the lid at box top, is convenient for change and places the cable, and the cable is convoluteed into the drum in advance, opens the lid, and the cable cover is established on the spool, and the cable head stretches out from rectangular hole, and the pull cable, cable rotate around the spool, avoid the cable winding, neat standard.
In this embodiment, the moving wheels of the moving trolley 5 are universal wheels 6.
In this embodiment, a plurality of slots are formed in the top of the box cylinder 7-1, a plurality of inserts 7-3 are arranged at the bottom of the cover 7-2, and the number of the inserts 7-3 is equal to that of the slots and corresponds to that of the slots one by one.
In the embodiment, the cable threading tool comprises a guide head 1, a thread loading head 2 and a threading mechanism which are connected in sequence, the threading mechanism comprises a plurality of threading pipes 3 which are connected in sequence, and the guide head 1 is of a hollow structure;
the wire loading head 2 comprises a wire loading pipe 2-1 and a wire loading threaded pipe 2-2 which is arranged on the front side of the wire loading pipe 2-1 and integrally connected with the wire loading pipe 2-1, a sealing plate 2-4 is arranged on the front side of the wire loading threaded pipe 2-2, a wire threading hole 2-5 for one end of a cable 4 to pass through is formed in the sealing plate 2-4, a wire loading head connecting groove 2-3 is arranged on the inner side of the tail of the wire loading pipe 2-1, and internal threads are arranged on the inner wall of the wire loading head connecting groove 2-3;
the threading pipe 3 comprises a threading pipe section 3-1 and a threading threaded pipe 3-2 which is arranged at the front side of the threading pipe section 3-1 and is integrally connected with the threading pipe section 3-1, the inner side of the tail part of the threading pipe section 3-1 is provided with a threading pipe connecting groove 3-3, and the inner wall of the threading pipe connecting groove 3-3 is provided with internal threads.
In this embodiment, the guide head 1 is a conical guide head with a hollow structure, and the inner side wall of the tail part of the conical guide head is provided with an internal thread matched with the wire-carrying threaded pipe 2-2.
It should be noted that the guide head 1 is a conical guide head with a hollow structure, which facilitates the guiding of the whole device and can accommodate the knotting of the cable head.
In the embodiment, a threading threaded pipe 3-2 of a first threading pipe 3 in a plurality of threading pipes 3 is in threaded connection with a thread carrying head connecting groove 2-3; the threading threaded pipe 3-2 of the threading pipe 3 positioned at the rear side in the two adjacent threading pipes 3 is in threaded connection with the threading pipe connecting groove 3-3 of the threading pipe 3 positioned at the rear side.
In the embodiment, the threading pipe 3 is equally divided into a first threading branch pipe 3-1-1 and a second threading branch pipe 3-1-2 along the length direction, a plurality of positioning blocks 3-4 are arranged on the section of the first threading branch pipe 3-1-1, a plurality of positioning grooves 3-5 are arranged on the section of the second threading branch pipe 3-1-2, the number of the positioning grooves 3-5 is equal to that of the positioning blocks 3-4 and corresponds to the positioning blocks one by one, and the corresponding positioning grooves 3-5 are matched with the positioning blocks 3-4 in a clamping manner.
It should be noted that the threading pipe 3 is equally divided into a first threading branch pipe 3-1-1 and a second threading branch pipe 3-1-2 along the length direction, so as to clamp the cable according to the length of the cable, the installation is convenient, a plurality of positioning blocks 3-4 are arranged on the section of the first threading branch pipe 3-1-1, a plurality of positioning grooves 3-5 are arranged on the section of the second threading branch pipe 3-1-2, the corresponding positioning grooves 3-5 are matched with the positioning blocks 3-4 in a clamping manner, the displacement after the corresponding positioning grooves 3-5 and the positioning blocks 3-4 are combined is avoided, and the position is accurate.
In this embodiment, the line carrying tube 2-1 and the threading tube 3 are both located outside the cable 4.
In this embodiment, the number of the threading holes 2-5 is multiple, and the cable 4 passes through the threading holes 2-5 and is knotted at one end in the guide head 1.
When the utility model is used, the cable head is extended out of the strip hole, the cable is pulled, one end of the cable 4 passes through the threading hole 2-5 and is knotted, the guide head 1 is connected with the thread carrying threaded pipe 2-2, the cable is completely positioned in the tool, the guide head 1 is used for guiding and protecting the cable from damage, the cable is continuously pulled, the positioning groove 3-5 and the positioning block 3-4 of the first threading pipe 3 clamp the cable 4 and are combined, the front end is screwed into the thread carrying head connecting groove 2-3, the cable is continuously pulled according to the length of the hidden pipe to increase the number of the threading pipes 3, the threading threaded pipe 3-2 of the threading pipe 3 positioned at the rear side in the two adjacent threading pipes 3 is in threaded connection with the threading pipe connecting groove 3-3 of the threading pipe 3 positioned at the rear side, the cable is completely positioned in the device, and the damage in the cable threading process is avoided, prevent that the cable from twining in the hidden pipe, can cut the cable according to the assembly length of actual threading length self-adaptation adjusting device, after the cable poling, the segmentation withdraws from the cable poling instrument, and the current cable weight of display screen display shows simultaneously, converts the service length of cable according to cable weight loss value, excellent in use effect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (9)

1. The utility model provides a construction is built with cable poling system which characterized in that in room: comprises a movable trolley (5), a cable box (7) which is arranged on the movable trolley (5) and used for storing cables (4) and a cable tube penetrating tool which is used for enabling the cables (4) to penetrate through concealed tubes, wherein the cable box (7) comprises a box cylinder (7-1) and a cover (7-2) which is inserted at the top of the box cylinder (7-1), a shaft base (10) is arranged at the central position of a bottom plate of the box cylinder (7-1), a shaft top seat (11) is arranged at the central position of the cover (7-2), a bobbin (12) is arranged between the shaft base (10) and the shaft top seat (11), the cables (4) are sleeved outside the bobbin (12), a weighing sensor is arranged on the bottom plate of the box cylinder (7-1), an electronic circuit board (13) is embedded in the bottom plate of the box cylinder (7-1), a controller is integrated on the electronic circuit board (13), and a display screen (9) is arranged on the outer side wall of the cable box (7), the signal output end of the weighing sensor is connected with the input end of the controller, the signal input end of the display screen (9) is connected with the output end of the controller, and the cable box (7) is provided with a long hole (8) for the cable (4) to pass through; the number of the cable boxes (7) is multiple.
2. The cable duct penetrating system for building construction according to claim 1, wherein: the moving wheels of the moving trolley (5) are universal wheels (6).
3. The cable duct penetrating system for building construction according to claim 1, wherein: the top of the box barrel (7-1) is provided with a plurality of slots, the bottom of the cover (7-2) is provided with a plurality of plug-in units (7-3), and the number of the plug-in units (7-3) is equal to that of the slots and corresponds to that of the slots one by one.
4. The cable duct penetrating system for building construction according to claim 1, wherein: the cable threading tool comprises a guide head (1), a thread loading head (2) and a threading mechanism which are connected in sequence, the threading mechanism comprises a plurality of threading pipes (3) which are connected in sequence, and the guide head (1) is of a hollow structure;
the wire loading head (2) comprises a wire loading pipe (2-1) and a wire loading threaded pipe (2-2) which is arranged on the front side of the wire loading pipe (2-1) and integrally connected with the wire loading pipe (2-1), a sealing plate (2-4) is arranged on the front side of the wire loading threaded pipe (2-2), a wire threading hole (2-5) for one end of a cable (4) to pass through is formed in the sealing plate (2-4), a wire loading head connecting groove (2-3) is arranged on the inner side of the tail of the wire loading pipe (2-1), and an internal thread is arranged on the inner wall of the wire loading head connecting groove (2-3);
the threading pipe (3) comprises a threading pipe section (3-1) and a threading threaded pipe (3-2) which is arranged on the front side of the threading pipe section (3-1) and integrally connected with the threading pipe section (3-1), the inner side of the tail part of the threading pipe section (3-1) is provided with a threading pipe connecting groove (3-3), and the inner wall of the threading pipe connecting groove (3-3) is provided with internal threads.
5. The cable duct penetrating system for building construction according to claim 4, wherein: the guide head (1) is a conical guide head with a hollow structure, and the inner side wall of the tail part of the conical guide head is provided with an internal thread matched with the wire-carrying threaded pipe (2-2).
6. The cable duct penetrating system for building construction according to claim 4, wherein: a threading threaded pipe (3-2) of a first threading pipe (3) in the threading pipes (3) is in threaded connection with the thread carrying head connecting groove (2-3); the threading threaded pipe (3-2) of the threading pipe (3) positioned at the rear side in the two adjacent threading pipes (3) is in threaded connection with the threading pipe connecting groove (3-3) of the threading pipe (3) positioned at the rear side.
7. The cable duct penetrating system for building construction according to claim 4, wherein: the threading pipe (3) is evenly divided into a first threading branch pipe (3-1-1) and a second threading branch pipe (3-1-2) along the length direction, a plurality of positioning blocks (3-4) are arranged on the section of the first threading branch pipe (3-1-1), a plurality of positioning grooves (3-5) are arranged on the section of the second threading branch pipe (3-1-2), the number of the positioning grooves (3-5) is equal to that of the positioning blocks (3-4) and corresponds to the positioning blocks one by one, and the corresponding positioning grooves (3-5) are matched with the positioning blocks (3-4) in a clamping mode.
8. The cable duct penetrating system for building construction according to claim 4, wherein: the thread carrying pipe (2-1) and the threading pipe (3) are both positioned on the outer side of the cable (4).
9. The cable duct penetrating system for building construction according to claim 4, wherein: the number of the threading holes (2-5) is multiple, and the cable (4) penetrates through the threading holes (2-5) and is in a knotted shape at one end positioned in the guide head (1).
CN202122921532.7U 2021-11-25 2021-11-25 Cable poling system for building construction Expired - Fee Related CN216289904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122921532.7U CN216289904U (en) 2021-11-25 2021-11-25 Cable poling system for building construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122921532.7U CN216289904U (en) 2021-11-25 2021-11-25 Cable poling system for building construction

Publications (1)

Publication Number Publication Date
CN216289904U true CN216289904U (en) 2022-04-12

Family

ID=81039207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122921532.7U Expired - Fee Related CN216289904U (en) 2021-11-25 2021-11-25 Cable poling system for building construction

Country Status (1)

Country Link
CN (1) CN216289904U (en)

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Granted publication date: 20220412

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