CN217458330U - Novel pay-off device for detecting ground resistance of transmission tower - Google Patents
Novel pay-off device for detecting ground resistance of transmission tower Download PDFInfo
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- CN217458330U CN217458330U CN202221574320.4U CN202221574320U CN217458330U CN 217458330 U CN217458330 U CN 217458330U CN 202221574320 U CN202221574320 U CN 202221574320U CN 217458330 U CN217458330 U CN 217458330U
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Abstract
The utility model discloses a novel pay-off device for detecting the ground resistance of a transmission tower, which comprises a bracket, a guide component, wire reels, a driving device and a locking component, wherein the two wire reels are arranged between the two sides of the bracket in an end-to-end way; the guide assembly comprises a reciprocating screw rod and two sliding blocks arranged on the reciprocating screw rod, the reciprocating screw rod and the winding disc group are axially arranged between two sides of the bracket in parallel, and the detection data wires wound on the winding disc respectively pass through the sliding blocks at corresponding positions; the driving device is arranged on one side of the bracket and simultaneously drives the wire spool and the reciprocating screw rod to rotate at different rotating speeds; locking Assembly installs in the support opposite side, realizes dismantling being connected of wire reel and support through locking Assembly. The utility model is provided with two wire reels, the operation is convenient, and the wire take-up and pay-off efficiency is high; the driven wire spool is detachably mounted on the bracket through the locking assembly, so that detection data deviation is avoided; and a guide assembly is arranged, and the detection data wire is guided by the sliding block to be orderly wound on the wire spool.
Description
Technical Field
The utility model relates to a transmission tower ground resistance detects technical field, specifically is a novel pay-off for transmission tower ground resistance detects.
Background
With the development of economy and the gradual improvement of life quality of people in recent years, the number of transmission lines and towers in an electric power system is increased day by day, in order to ensure that a discharge channel of the transmission tower is unblocked when the transmission line is struck by lightning, avoid the tripping of the lightning and ensure the safe and stable operation of the transmission line, the grounding resistance connected with the towers needs to be detected regularly, and an unqualified grounding network is modified before a thunderstorm season so as to ensure good grounding lightning resistance and prevent the tripping of the transmission line caused by the lightning stroke due to the unqualified grounding resistance. Therefore, the detection of the grounding resistance of the transmission tower is an important work in the operation and maintenance of the transmission line, and an important basis can be provided for the state maintenance of the transmission line.
In the detection process of the power connection resistor of the power transmission line tower, a voltage and current detection data wire needs to be separated by 0.2-0.5 m after being arranged, so that detection data deviation caused by mutual interference is prevented, and the defects of the traditional pay-off reel are as follows: 1. the traditional pay-off reel is only provided with one wire spool, so that the pay-off and take-up are required to be performed twice, and the detection progress is influenced due to unsmooth pay-off and take-up; 2. the voltage and current detection lines are wound on the same pay-off reel, so that detection data deviation is easily caused; 3. the detection data line is not regularly coiled on the wire spool, can pile up a certain position department on the wire spool because of the wire winding custom usually, places when the wire spool and can lead to the detection data line to be in disorder to knot under the shaft tower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel pay-off for transmission tower ground resistance detects, it receives and releases line efficient, the accurate and can avoid detecting the indiscriminate knot of data line of detection data.
The utility model provides a novel pay-off device for detecting the ground resistance of a transmission tower, which comprises a bracket, a guide component, wire reels, a driving device and a locking component, wherein the two wire reels are arranged between the two sides of the bracket in an end-to-end manner; the guide assembly comprises a reciprocating screw rod and two sliding blocks arranged on the reciprocating screw rod, the reciprocating screw rod and the winding disc group are axially arranged between two sides of the bracket in parallel, and the detection data wires wound on the winding disc respectively pass through the sliding blocks at corresponding positions; the driving device is arranged on one side of the bracket and simultaneously drives the wire spool and the reciprocating screw rod to rotate at different rotating speeds; locking Assembly installs in the support opposite side, realizes dismantling of wire reel and support through locking Assembly and is connected.
In one embodiment of the above technical solution, bearing seats are disposed at the left and right sides and the middle position of the bracket, the bearing seats are axially concentric, and the right bearing seat is in a semicircular design; the top of the bracket is provided with a hanging ring which can be used for installing braces.
In one embodiment of the above technical solution, the side plates of the two wire reels are provided with sockets, the two wire reels are respectively a driving wire reel and a driven wire reel, axial centers of two ends of the driving wire reel are provided with rotating shafts, and a tail end section of one rotating shaft is a polygonal insertion section; the axial center of one end of the driven wire spool is provided with a polygonal notch, and the axial center of the other end of the driven wire spool is provided with a rotating shaft.
In one embodiment of the above technical solution, the rotating shafts at two ends of the active wire spool are assembled with the bearing seats at the left side and the middle of the bracket through bearings; the notch of driven wire reel and the grafting section assembly of initiative wire reel, its pivot passes through bearing and can dismantle with the bearing frame on support right side and be connected.
In one embodiment of the above technical solution, the bottom of the slider is provided with a guide hole, the top of the slider is provided with a wire passing ring, and the wire passing ring of the slider opposite to the driven wire spool is provided with an opening.
In an embodiment of the above technical solution, the guide assembly further includes a guide rod, and the guide rod passes through the guide holes of the two sliders and then is fixedly connected to the bracket.
In one embodiment of the above technical solution, the driving device includes a transmission case, a gear transmission assembly disposed in the transmission case, and a handle, and the handle is connected to a driving gear of the transmission assembly; the transmission case is fixedly installed on the support, an output gear of the transmission gear assembly is connected with the wire spool, and an output belt wheel of the transmission gear assembly is connected with the reciprocating screw rod.
In an embodiment of the foregoing technical solution, the gear transmission assembly is arranged by a transmission ratio, so that a moving distance of the slider is the same as a diameter of the detection data line when the wire spool rotates for one turn.
In an embodiment of the above technical scheme, the locking assembly includes a fixed block, a retaining ring and a movable block, the inner side of the fixed block is provided with an elastic bolt, the top of the fixed block is symmetrically provided with a mounting plate, the retaining ring is in a semicircular shape, the top end of the retaining ring extends out of a crimping section, the middle of the retaining ring is rotatably connected with the top of the mounting plate, the movable block is provided with a plugging hole, the outer side of the movable block is provided with an elastic thimble corresponding to the plugging hole, the upper end of the movable block is rotatably connected with the bottom end of the retaining ring, the elastic bolt of the fixed block is inserted into the plugging hole of the movable block, and a compression spring is arranged between the bottom of the movable block and the bottom of the fixed block.
In an embodiment of the above technical solution, the fixing block is fixedly connected to the right side of the bracket, and the crimping section of the retaining ring is retained on the bearing of the rotating shaft of the driven wire spool.
The utility model is provided with two wire reels connected end to end, the two wire reels realize coaxial rotation through the driving device in the wire releasing and taking-up process, no independent operation is needed, the operation is convenient, and the wire releasing and taking-up efficiency is high; the two detection data wires are respectively wound on the driving wire spool and the driven wire spool, the driven wire spool is detachably mounted on the bracket through the locking assembly, and the driven wire spool can be separately placed after being detached during detection, so that detection data deviation caused by mutual interference is avoided; be provided with the guide subassembly, rotate with different rotational speeds through drive arrangement simultaneous drive wire reel and reciprocal lead screw, detect the data line and neatly coil on the wire reel through the slider guide, avoid detecting the data line and tie in disorder. In short, the utility model discloses receive and release line simple operation, the accurate just can avoid detecting the data line in disorder to tie a knot of data detection.
Drawings
Fig. 1 is a schematic view of an axial measurement structure according to an embodiment of the present invention.
Fig. 2 is a schematic axial view of the bracket and the guide assembly shown in fig. 1.
FIG. 3 is a schematic axial view of the bobbin set of FIG. 1.
Fig. 4 is a left side view of the structure of fig. 1 (not including the cover of the transmission case).
Fig. 5 is an enlarged schematic view of a portion a in fig. 1.
Fig. 6 is a cross-sectional view of the locking assembly of fig. 5.
Detailed Description
As shown in fig. 1 to 6, the novel pay-off device for detecting the ground resistance of the transmission tower disclosed in the present embodiment includes a bracket 1, a guide assembly 2, a winding reel set 3, a transmission case 4 and a locking assembly 5.
The support 1 is formed by welding metal rods, bearing seats are arranged on the left side, the right side and the middle of the support, the bearing seats are axially concentric, and the bearing seat on the right side is in a semicircular design, so that the bearing can be conveniently separated along the radial direction of the bearing. The top of support 1 is provided with the link, can be used to install the braces, makes things convenient for the staff to carry.
The guide assembly 2 includes a reciprocating screw 21, a slider 22, and a guide bar 23.
The reciprocating screw rod 21 is provided with two sections of thread grooves, a pair of sliding blocks 22 are arranged at the thread grooves of the reciprocating screw rod 21, the top of each sliding block 22 is provided with a wire passing ring used for passing through a detection data wire, the bottom of each sliding block 22 is provided with a guide hole, and the guide rod 23 passes through the guide hole of the sliding block 22 and is parallel to the reciprocating screw rod 21.
When the guide assembly 2 is assembled with the bracket 1, two ends of the reciprocating screw rod 21 are arranged between the left side and the right side of the bracket 1 through a bearing and a bearing seat, and two ends of the guide rod 23 are fixedly connected with the left side and the right side of the bracket 11. When the reciprocating screw 21 rotates, the slider 22 reciprocates left and right.
The spool group 3 includes a driving spool 31 and a driven spool 32.
The driving wire spool 31 and the driven wire spool 32 are both dumbbell-shaped and comprise a middle wire spool and disc-shaped baffles at two sides of the middle wire spool, and sockets are respectively arranged on the baffle at one side of the driving wire spool 31 and the baffle at one side of the driven wire spool 32 and used for connecting the voltage/current probes with the detection data lines.
The axial centers of the disc baffles on the two sides of the driving wire spool 31 extend out of the rotating shaft, and the tail end section of the rotating shaft on the right side is a hexagonal inserting section; the axial center of the left disc baffle of the driven wire spool 32 is provided with a hexagonal notch, and the axial center of the right disc baffle is provided with a rotating shaft.
When the wire winding disc group 3 is assembled with the bracket 1, the rotating shafts at the two ends of the driving wire winding disc 31 are assembled with the left side of the bracket 1 and the middle bearing seat through the bearings, the left end of the driven wire winding disc 32 is assembled with the splicing section of the driving wire winding disc 31 through the notch, and the rotating shaft at the right end of the driven wire winding disc is detachably connected with the bearing seat on the right side of the bracket 1 through the bearings. It should be noted that shaft clamp springs are arranged on the rotating shaft of the winding disc group 3 opposite to the two sides of the bearing seat to limit the winding disc group 3 from moving left and right.
When the detection data line is coiled by the winding disc group 3, one end of the detection data line is connected with the socket and then coiled, and the other end of the detection data line passes through the wire passing ring corresponding to the sliding block 22. It should be noted that the driven wire spool 32 is provided with an opening corresponding to the wire passing loop of the slider 22, and the detection data wire wound thereon can be disengaged through the opening of the wire passing loop when the driven wire spool 32 is detached.
The transmission case 4 is provided with a gear transmission assembly 41, a driving gear of the gear transmission assembly 41 is connected with a handle 42, and power input is realized through the handle 42.
The transmission case 4 is installed on the left side of the bracket 1, and the gear transmission assembly 41 is provided with two power output wheels, wherein the output wheels are connected with the driving wire spool 31, and the output belt wheel is connected with the reciprocating screw rod 21. The rotation speed ratio of the driving wire spool 31 to the reciprocating screw rod 21 is set to be four to one through the transmission ratio of the gear transmission assembly 41.
It should be noted that the pitch of the thread groove of the reciprocating screw rod 21 is 10mm, and the diameter of the detection data line is 2.5 mm. When the driving wire spool 31 rotates one turn, the reciprocating screw 21 rotates one quarter turn, the slide block 22 moves 2.5mm, and the moving distance is the same as the diameter of the detection data wire, so that the detection data wire can be tightly and orderly wound on the wire spool group 3.
The locking assembly 5 includes a fixed block 51, a retaining ring 52 and a movable block 53.
The inner side of the fixed block 51 is provided with an elastic bolt, and the top of the fixed block is symmetrically provided with mounting plates. The retaining ring 52 is in a semi-circular ring shape, the tail end of the top of the retaining ring extends out of the pressing connection section, and the middle of the retaining ring 52 is rotatably connected with the top of the mounting plate. The movable block 53 is provided with a plug hole, and an elastic thimble is arranged at the position of the outer side corresponding to the plug hole. The upper end of the movable block 53 is rotatably connected with the tail end of the bottom of the retaining ring 52, a compression spring is arranged between the bottoms of the movable block 53 and the fixed block 51, and the elastic bolt of the fixed block 51 is inserted into the insertion hole of the movable block 53. In order to ensure the appearance, the fixed block 51 and the movable block 53 of the embodiment are sleeved with a protective shell.
When the locking assembly 5 is assembled with the bracket 1, the fixing block 51 is fixedly connected to the right side of the bracket 1, and the crimping section of the retaining ring 52 is buckled on the bearing of the rotating shaft on the right side of the driven wire spool 32 to fix the bearing on the bearing seat. When the driven wire spool 32 needs to be disassembled, the elastic thimble of the movable block 53 is pressed down to eject the elastic bolt, the movable block 53 moves upwards under the action of the compression spring, and simultaneously drives the retaining rings 52 to rotate, so that the pressing sections of the pair of retaining rings 52 are separated from each other to form an opening, and the limit of the driven wire spool 32 is released.
The utility model discloses a concrete use as follows:
firstly, connecting a detection data wire with a transmission tower, carrying the device to move, rotating and paying off a winding disc group 3 under the action of tension of the detection data wire during movement, and releasing the limit through a locking assembly 5 to disassemble a driven winding disc 32 when a first detection point is reached; then, the device is carried to continue paying off and move to a second detection point, and the voltage/current probe is respectively connected with the sockets of the driven wire spool 32 and the driving wire spool 31 to carry out measurement; after the measurement is completed, the driven wire spool 32 is installed, the rotating handle 42 drives the wire spool group 3 and the reciprocating screw rod 21 to rotate, and the detection data wire is tightly and orderly wound on the wire spool group 3.
Claims (10)
1. The utility model provides a novel pay-off for transmission tower ground resistance detects which characterized in that: the wire winding device comprises a bracket, a guide assembly, wire winding discs, a driving device and a locking assembly, wherein the two wire winding discs are arranged between two sides of the bracket in an end-to-end manner; the guide assembly comprises a reciprocating screw rod and two sliding blocks arranged on the reciprocating screw rod, the reciprocating screw rod and the wire winding disc group are axially arranged between two sides of the bracket in parallel, and the detection data wires wound on the wire winding disc respectively pass through the sliding blocks at corresponding positions; the driving device is arranged on one side of the bracket and simultaneously drives the wire spool and the reciprocating screw rod to rotate at different rotating speeds; locking Assembly installs in the support opposite side, realizes dismantling being connected of wire reel and support through locking Assembly.
2. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 1, wherein: bearing seats are arranged on the left side, the right side and the middle position of the bracket, the bearing seats are axially concentric, and the right bearing seat is in a semicircular design; the top of the bracket is provided with a hanging ring which can be used for installing braces.
3. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 2, wherein: the side plates of the two wire reels are provided with sockets, the two wire reels are respectively a driving wire reel and a driven wire reel, the axial centers of two ends of the driving wire reel are provided with rotating shafts, and the tail end section of one rotating shaft is a polygonal inserting section; the axial center of one end of the driven wire spool is provided with a polygonal notch, and the axial center of the other end of the driven wire spool is provided with a rotating shaft.
4. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 3, wherein: rotating shafts at two ends of the driving wire spool are assembled with bearing seats at the left side and the middle of the bracket through bearings; the notch of driven wire reel and the grafting section assembly of initiative wire reel, its pivot passes through bearing and can dismantle with the bearing frame on support right side and be connected.
5. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 4, wherein: the bottom of the sliding block is provided with a guide hole, the top of the sliding block is provided with a wire passing ring, and the driven wire spool is provided with an opening relative to the wire passing ring of the sliding block.
6. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 5, wherein: the guide assembly further comprises a guide rod, and the guide rod penetrates through the guide holes of the two sliding blocks and then is fixedly connected with the support.
7. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 1, wherein: the driving device comprises a transmission case, a gear transmission assembly and a handle, wherein the gear transmission assembly and the handle are arranged in the transmission case; the transmission case is fixedly installed on the support, an output gear of the transmission gear assembly is connected with the wire spool, and an output belt wheel of the transmission gear assembly is connected with the reciprocating screw rod.
8. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 7, wherein: the gear transmission assembly is arranged through a transmission ratio, so that the moving distance of the sliding block is the same as the diameter of the detection data wire when the wire spool rotates for one circle.
9. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 4, wherein: the locking assembly comprises a fixed block, a retaining ring and a movable block, an elastic bolt is arranged on the inner side of the fixed block, an installation plate is symmetrically arranged at the top of the fixed block, the retaining ring is in a semicircular shape, a crimping section extends out of the tail end of the top of the retaining ring, the middle of the retaining ring is rotatably connected with the top of the installation plate, an insertion hole is formed in the movable block, an elastic thimble is arranged at the position, corresponding to the insertion hole, of the outer side of the movable block, the upper end of the movable block is rotatably connected with the tail end of the bottom of the retaining ring, the elastic bolt of the fixed block is inserted into the insertion hole of the movable block, and a compression spring is arranged between the bottom of the movable block and the bottom of the fixed block.
10. The novel pay-off device for detecting the grounding resistance of the transmission tower as claimed in claim 9, wherein: the fixing block is fixedly connected to the right side of the bracket, and the crimping section of the retaining ring is buckled on a bearing of the driven wire spool rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574320.4U CN217458330U (en) | 2022-06-22 | 2022-06-22 | Novel pay-off device for detecting ground resistance of transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574320.4U CN217458330U (en) | 2022-06-22 | 2022-06-22 | Novel pay-off device for detecting ground resistance of transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217458330U true CN217458330U (en) | 2022-09-20 |
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ID=83241691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221574320.4U Active CN217458330U (en) | 2022-06-22 | 2022-06-22 | Novel pay-off device for detecting ground resistance of transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217458330U (en) |
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2022
- 2022-06-22 CN CN202221574320.4U patent/CN217458330U/en active Active
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