CN210189623U - Bolt fastener - Google Patents
Bolt fastener Download PDFInfo
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- CN210189623U CN210189623U CN201921228628.1U CN201921228628U CN210189623U CN 210189623 U CN210189623 U CN 210189623U CN 201921228628 U CN201921228628 U CN 201921228628U CN 210189623 U CN210189623 U CN 210189623U
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Abstract
The utility model provides a bolt fastener, which relates to the technical field of insulating tools with high voltage and electric action, and comprises a bolt sleeve and a transmission component; the gear set comprises an input shaft, an input gear, a plurality of output shafts and a plurality of output gears, the input gear is connected to the input shaft, the output shafts and the output gears are arranged in a one-to-one correspondence manner, the output gears are rotatably sleeved on the output shafts, the axes of the output shafts are all arranged in parallel with the axis of the input shaft, the output shafts are fixedly arranged, the output gears are arranged along the circumferential direction of the input gear, the output gears are respectively meshed with the input gear, and the output gears are all meshed with the inner side wall of the gear ring; the gear ring is connected with the bolt sleeve; the technical problem of when screwing up the bolt, need operating personnel to provide very big effort, consume operating personnel's physical power is solved, laborsaving technological effect when having reached operating personnel and screwing up the bolt.
Description
Technical Field
The utility model belongs to the technical field of high voltage live working insulating tool technique and specifically relates to a bolt binding is related to.
Background
In the process of line operation, the condition of heating of a jumper (bow wire and drainage wire) equipment wire clamp usually occurs, and the existing treatment mode is generally treated by maintainers; and according to the experience that the maintainers process the heating of the equipment wire clamp for many years, the heating of the equipment wire clamp is usually caused by poor contact of a wire clamp connector, and only a bolt of the equipment wire clamp is required to be screwed.
When the heat of the equipment wire clamp is treated on a transmission line with 220kv or above, an equipotential operation method is usually adopted, and maintainers carry out equipotential treatment through a rope ladder; on a 35-110kv transmission line, because the size of the tower is small, the safe distance of equipotential processing cannot be met, even if a proper equipotential method is adopted, the working process is very complicated, and the required workload is quite large. The method of power failure treatment is mostly adopted when the equipment wire clamp is treated on a 35-110kv transmission line, so that the reliability and continuity of power supply are reduced, the power supply service quality is reduced, and the normal power supply requirement cannot be ensured. Thereby, the bolt-fastening occurs.
The bolt fastener comprises an insulating rod, a transmission part and a bolt sleeve which are sequentially connected, a bolt can be clamped in the bolt sleeve, the transmission part moves by rotating the insulating rod, and then the bolt sleeve rotates under the action of the conveying part, so that the bolt is screwed down; however, in the conventional bolt tightening device, the force applied to the bolt by the bolt bushing is substantially equal to the force applied to the insulating rod, and therefore, a large force is required to be applied by an operator to tighten the bolt, which causes a physical effort of the operator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bolt fastening to the power when the bolt sleeve of the bolt fastening who has existed among the prior art is tightened the bolt is unanimous with the power general of being used in on the insulator spindle, when tightening the bolt, still needs operating personnel to provide very big effort, consumes operating personnel's physical technical problem.
The utility model provides a bolt fastener, which comprises a bolt sleeve and a transmission component;
the transmission assembly comprises a gear set and a gear ring, the gear ring is sleeved on the outer side of the gear set, the gear set comprises an input shaft, an input gear, a plurality of output shafts and a plurality of output gears, the input gear is connected to the input shaft, the output shafts are arranged in one-to-one correspondence with the output gears, the output gears are rotatably sleeved on the output shafts, the axes of the output shafts are all arranged in parallel with the axis of the input shaft, the output shafts are fixedly arranged, the output gears are arranged along the circumferential direction of the input gear, the output gears are respectively meshed with the input gear, and the output gears are all meshed with the inner side wall of the gear ring;
the gear ring is connected with the bolt sleeve, so that the bolt sleeve rotates under the driving action of the gear ring.
Furthermore, the gear sets are multiple groups, and the multiple groups of gear sets are sequentially arranged along the axis direction of the input shaft.
Furthermore, the bolt fastener also comprises a fixed seat, wherein a shaft hole is formed in the fixed seat, the first end of the bolt sleeve penetrates through the shaft hole, and the bolt sleeve is rotatably connected with the shaft hole;
a first gear is arranged at the first end of the bolt sleeve, a second gear is arranged on the gear ring, and the first gear and the second gear are in meshing transmission;
the fixing base with the ring gear is articulated, just the fixing base can relative with the ring gear rotates, in order to adjust the telescopic angle of bolt, just when the fixing base rotates and targets in place, can with ring gear relatively fixed.
Furthermore, the fixed seat comprises a connecting seat and two connecting parts, and two connecting claws are arranged on the outer side of one end, facing the bolt sleeve, of the gear ring;
the shaft hole is formed in the connecting seat, the two connecting portions are arranged on the outer side of the connecting seat, one end of each connecting portion protrudes out of the connecting seat, and the connecting claw is correspondingly matched and hinged with the connecting portions to enable the fixing seat to rotate relative to the gear ring.
Further, the bolt fastener also comprises a fixing pin;
the connecting part is provided with a plurality of first fixing holes which penetrate through the connecting part, and the plurality of first fixing holes are arranged along the circumferential direction of the hinged part of the connecting claw and the connecting part; the connecting claw is provided with a through second fixing hole, the first fixing hole and the second fixing hole are correspondingly matched, and the fixing pin penetrates through the first fixing hole and the second fixing hole, so that the fixing seat can be relatively fixed with the gear ring when rotating in place.
Further, the bolt fastener also comprises a connecting rod;
the connecting rod is connected with one end, far away from the bolt sleeve, of the input shaft.
Further, the bolt fastener also comprises a protection rod;
the guard bar is sleeved outside the connecting rod and is rotatably connected with one side, far away from the bolt sleeve, of the gear box.
Further, the bolt fastener also comprises a handle;
the handle is connected with one end of the connecting rod, which is far away from the transmission component.
Further, the bolt fastener further comprises a driving member;
the output end of the driving piece is connected with the connecting rod.
Furthermore, a hexagon bolt hole is formed in the connecting rod, a hexagon bolt is arranged on the input shaft, and the hexagon bolt is connected with the hexagon bolt hole so that the input shaft is connected with the connecting rod.
The utility model provides a bolt fastener, gear train set are arranged in the ring gear, input gear connects on the input shaft, output gear rotates and connects on the output shaft, output shaft and output gear one-to-one set, a plurality of output shafts are fixed and set up; the output gears are arranged along the circumferential direction of the input gear and are respectively meshed with the input gear; the output gears are respectively meshed with the inner side wall of the gear ring, so that the reduction of the rotating speed of the input shaft to the rotating speed of the gear ring is realized, and the gear ring rotates for one circle after the input shaft rotates for n circles according to the gear ratio of the input gear to the gear ring, so that the force output by the gear ring is n times of the force on the input shaft after the force of the input shaft is transmitted by the input gear, the output gear and the gear ring; the ring gear is connected with the bolt sleeve, so that the force transmitted to the ring gear is transmitted to the bolt sleeve, the amplification of the force input to the input shaft is realized, the force finally acting on the bolt sleeve is the amplification of the force acting on the input shaft, an operator only needs to act on a small force to realize the screwing of the bolt, and the labor-saving effect when the operator screws the bolt is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a bolt fastener according to an embodiment of the present invention in a first state;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural diagram of a bolt fastener according to an embodiment of the present invention in a second state;
fig. 4 is a cross-sectional view of a bolt fastener provided in an embodiment of the present invention;
FIG. 5 is a partial enlarged view of portion B of FIG. 4;
fig. 6 is a schematic structural view of a portion of a gear assembly of a bolt fastener provided in an embodiment of the present invention, including the gear assembly;
fig. 7 is a schematic structural view illustrating a fixing seat, a connecting pin, a fixing pin, and a gear ring of a bolt fastener according to an embodiment of the present invention are separated;
fig. 8 is a schematic structural view of a fixing seat of a bolt fastener according to an embodiment of the present invention.
Icon: 100-bolt sleeves; 200-a transmission assembly; 300-a fixed seat; 400-fixed pins; 500-connecting rod; 600-a guard bar; 700-a handle; 101-a first gear; 201-gear set; 202-a gear ring; 203-input shaft; 204 — input gear; 205-output gear; 206-a second gear; 207-connecting claws; 208-a second fixation hole; 209-hex bolts; 210-connecting pins; 211-second connection hole; 212-an output shaft; 301-shaft hole; 302-a connection socket; 303-a connecting portion; 304-a first fixation hole; 305-a first connection hole; 501-hexagonal bolt holes; 701-a housing; 702-a drive member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either 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 invention can be understood in specific cases to those skilled in the art.
The utility model provides a bolt fastener, which comprises a bolt sleeve 100 and a transmission assembly 200; as shown in fig. 1 to 6, the number of the output gears 205 is four, the ring gear 202 is sleeved outside the gear set 201, the input gear 204 is connected to the input shaft 203, and the output gears 205 are connected to each otherIs connected with the output shaft 212, and the output shaft 212 is fixedly arranged; the four output gears 205 are arranged along the circumferential direction of the input gear 204, the four output gears 205 are respectively meshed with the input gear 204, and the outer sides of the four output gears 205 are all meshed with the inner side wall of the gear ring 202; the transmission assembly 200 of the present invention is similar to a planetary gear structure, wherein the input gear 204 is equivalent to a sun gear in the planetary gear structure, the output gear 205 is equivalent to a planetary gear in the planetary gear structure, the output shaft 212 is fixed on a planet carrier, the planetary gear is rotatably connected to the output shaft 212, power is input from the input sun gear, and is output from the gear ring 202; the left side of the outer race is connected to bolt sleeve 100 and transmits the force on input shaft 203 to bolt sleeve 100 through the action of transmission assembly 200. Transmission ratio in the planetary gear structure: n is1+an2-(1+a)n30, wherein n1Is the sun wheel speed, n2Is the outer ring rotation speed, n3The rotation speed of the planet carrier is "a" is the outer ring teeth number/the sun gear teeth number, taking the embodiment as an example, where "a" is 4, and "n" is3When n is 0, n is1+4n20, i.e. 1/4 where the outer ring speed is the sun gear speed when the sun gear is at a0The rotation speed of the ring gear 202 is 1/4 aa0It is known that the torque at the input end is 1/4 of the torque at the output end, which is equivalent to four times the torque after being transmitted through the transmission assembly 200, and the torque is transmitted to the bolt sleeve 100 without changing the torque at the output end, which is equivalent to force arm, and the radius of the bolt sleeve 100 is identical to the radius of the input gear 204, so that the force transmitted to the bolt sleeve 100 through the transmission assembly 200 is four times larger than the force on the input shaft 203, thereby realizing the amplification of the force, and avoiding the problems that the force required by an operator is large enough and the physical strength of the operator is consumed when the bolt is tightened.
It should be noted that the number of the output gears 205 may be three, and three are uniformly distributed in the circumferential direction of the input gear 204, as long as the force transmission to the input shaft 203 is realized.
It should be further noted that the number of teeth of the ring gear 202 and the number of teeth of the input gear 204 may be specifically set according to the amplification factor required, for example, in this embodiment, the number of teeth of the input gear 204 is 8, the number of teeth of the output gear 205 is also 8, and the amplification factor required to achieve amplification is 4 times, then the number of teeth of the ring gear 202 is set to 32, so as to achieve amplification of the input force of the input shaft 203.
As shown in fig. 4 and 5, the number of the gear sets 201 is two, the two gear sets 201 are sequentially arranged along the axial direction of the input shaft 203, and the arrangement of the two gear sets 201 makes the transmission performance of the transmission assembly 200 more stable.
As shown in fig. 7 and 8, a shaft hole 301 is formed in the central portion of the fixing seat 300, the right end of the bolt sleeve 100 passes through the shaft hole 301, and the bolt sleeve 100 is rotatably connected with the shaft hole 301; a first gear 101 is arranged at the right end of bolt sleeve 100, a second gear 206 is arranged on the left side of gear ring 202, as shown in fig. 1 and fig. 2, first gear 101 and second gear 206 can be meshed and connected at different angles, force acting on input shaft 203 is output through gear ring 202 through transmission of transmission assembly 200, and force output through gear ring 202 can be transmitted to bolt sleeve 100 through meshing of first gear 101 and second gear 206; the fixed seat 300 is hinged with the gear ring 202, so that the fixed seat 300 can rotate relative to the gear ring 202, and the angle of the bolt sleeve 100 is adjusted; when the fixing seat 300 rotates in place, the fixing seat can be relatively fixed with the gear ring 202, the first gear 101 and the second gear 206 can enable the bolt sleeves 100 at different positions and different angles to transmit output force of the transmission assembly 200, and can be relatively fixed with the gear ring 202 when the fixing seat 300 rotates in place, and when the bolt sleeves 100 rotate to the positions of bolts, the bolt sleeves 100 are fixed, so that bolts at different positions and different angles can be screwed.
Specifically, as shown in fig. 7 and 8, the shaft hole 301 is formed in the connecting seat 302, two connecting portions 303 are arranged on the outer side wall of the connecting seat 302, the right end of each connecting portion 303 protrudes out of the right side face of the connecting seat 302, two connecting claws 207 protrude out of the left side face of the gear ring 202, the connecting claws 207 are correspondingly matched and hinged with the connecting portions 303, and the fixing seat 300 is relatively rotated with the gear ring 202.
It should be noted that, as shown in fig. 7 and 8, the bolt fastener further includes a connecting pin 210, a first connecting hole 305 is disposed on the connecting portion 303, a second connecting hole 211 is disposed on the connecting claw 207, and the connecting pin 210 passes through the first connecting hole 305 and the second connecting hole 211 to realize the rotational connection between the fixing base 300 and the gear ring 202.
In particular, the connecting pin 210 is a pin.
As shown in fig. 7 and 8, the connecting portion 303 is provided with a plurality of first fixing holes 304 penetrating therethrough, the plurality of first fixing holes 304 are arranged in the circumferential direction of the first connecting hole 305, the first fixing holes 304 are circular holes, the number of the first fixing holes 304 is three, the connecting claw 207 is provided with second fixing holes 208 penetrating therethrough, the first fixing holes 304 and the second fixing holes 208 are correspondingly arranged in a matching manner, and the fixing pins 400 sequentially penetrate through the second fixing holes 208 and the first fixing holes 304; when the bolt sleeve 100 is rotated in place, the fixing pin 400 sequentially passes through the second fixing hole 208 and the first fixing hole 304, so that the fixing of the position of the fixing seat 300 is realized, and the fixing mode of the fixing pin 400 and the plurality of first fixing holes 304 is adopted, so that the bolt sleeve is low in manufacturing cost, simple in structure and convenient to connect and detach.
In another embodiment provided by the present invention, the first fixing hole 304 is an arc-shaped hole, and the arc-shaped hole is disposed in the circumferential direction of the first connecting hole 305; the arc-shaped holes can realize accurate fixation of the connection position of the fixing base 300 and the connection claw 207 of the gear ring 202, and the angle that the bolt sleeve 100 can rotate is more convenient.
As shown in fig. 1, 3 and 4, the left end of the connecting rod 500 is connected to the right end of the input shaft 203, and the movement of the transmission assembly 200 is realized by operating the connecting rod 500; the connecting rod 500 is arranged, so that the operation is more convenient.
As shown in fig. 1, 3 and 4, the protection rod 600 is sleeved outside the connection rod 500, the left end of the protection rod 600 is rotatably connected with the right side of the gear ring 202 to protect the connection rod 500, and the rotation of the connection rod 500 is prevented from colliding with an operator.
It should be noted that a rolling bearing is connected between the connecting rod 500 and the transmission assembly 200, and a rolling bearing is also connected between the transmission assembly 200 and the bolt sleeve 100, so that the force transmission is more convenient.
As shown in fig. 1, 3 and 4, a handle 700 is connected to the right end of the connecting rod 500, an insulating sleeve is sleeved on the handle 700, an operator can take the handle 700 by hand, and then the connecting rod 500 is rotated to input the input force to the transmission assembly 200.
Specifically, the output shaft 212 of the driving member 702 is connected to the connecting rod 500, so that the driving is convenient and the operation is simple.
Specifically, the driving member 702 is arranged inside the housing 701, the output shaft 212 of the driving member 702 is connected with the right end of the connecting rod 500, and the left end of the housing 701 is connected with the protection rod 600; the driving piece 702 is adopted to input force, and the operation is simple and convenient.
Specifically, the left end of connecting rod 500 is equipped with hex bolts hole 501, the right-hand member of input shaft 203 is equipped with hex bolts 209, hex bolts 209 is connected with hex bolts hole 501 for input shaft 203 is connected with connecting rod 500, adopts the connected mode of hex bolts 209 and hex bolts hole 501, and connection structure is stable, and the transmission is convenient.
Specifically, when using the bolt fastener, first, the angle between bolt bushing 100 and ring gear 202 is adjusted so that the left side of bolt bushing 100 rotates with respect to the bolt, and after bolt bushing 100 rotates with respect to the bolt, fixing pin 400 is connected to first fixing hole 304 and second fixing hole 208, thereby fixing the position of bolt bushing 100; after the handle 700 is installed, the driving member 702 of the handle 700 is started, so that the force of the output shaft 212 of the driving member 702 of the handle 700 is transmitted to the right end of the transmission assembly 200 through the connecting rod 500, and is transmitted to the bolt sleeve 100 through the transmission of the input gear 204, the output gear 205 and the gear ring 202 of the transmission assembly 200, and through the transmission of the transmission assembly 200, the force required by an operator on the handle 700 is reduced, and the force required for screwing the bolt is less.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A bolt fastener is characterized by comprising a bolt sleeve and a transmission assembly;
the transmission assembly comprises a gear set and a gear ring, the gear ring is sleeved on the outer side of the gear set, the gear set comprises an input shaft, an input gear, a plurality of output shafts and a plurality of output gears, the input gear is connected to the input shaft, the output shafts are arranged in one-to-one correspondence with the output gears, the output gears are rotatably sleeved on the output shafts, the axes of the output shafts are all arranged in parallel with the axis of the input shaft, the output shafts are fixedly arranged, the output gears are arranged along the circumferential direction of the input gear, the output gears are respectively meshed with the input gear, and the output gears are all meshed with the inner side wall of the gear ring;
the gear ring is connected with the bolt sleeve, so that the bolt sleeve rotates under the driving action of the gear ring.
2. The bolt fastener according to claim 1, wherein the gear train is provided in plural groups, the plural groups being arranged in order in the axial direction of the input shaft.
3. The bolt fastener according to claim 1 or 2, further comprising a fixing seat, wherein an axle hole is formed in the fixing seat, the first end of the bolt sleeve passes through the axle hole, and the bolt sleeve is rotatably connected with the axle hole;
a first gear is arranged at the first end of the bolt sleeve, a second gear is arranged on the gear ring, and the first gear and the second gear are in meshing transmission;
the fixing base with the ring gear is articulated, just the fixing base can relative with the ring gear rotates, in order to adjust the telescopic angle of bolt, just when the fixing base rotates and targets in place, can with ring gear relatively fixed.
4. The bolt fastener according to claim 3, wherein the fixing seat includes a connecting seat and two connecting portions, and the gear ring is provided with two connecting claws on an outer side of an end facing the bolt sleeve;
the shaft hole is formed in the connecting seat, the two connecting portions are arranged on the outer side of the connecting seat, one end of each connecting portion protrudes out of the connecting seat, and the connecting claw is correspondingly matched and hinged with the connecting portions to enable the fixing seat to rotate relative to the gear ring.
5. The bolt fastener according to claim 4, wherein the bolt fastener further comprises a fixing pin;
the connecting part is provided with a plurality of first fixing holes which penetrate through the connecting part, and the plurality of first fixing holes are arranged along the circumferential direction of the hinged part of the connecting claw and the connecting part; the connecting claw is provided with a through second fixing hole, the first fixing hole and the second fixing hole are correspondingly matched, and the fixing pin penetrates through the first fixing hole and the second fixing hole, so that the fixing seat can be relatively fixed with the gear ring when rotating in place.
6. The bolt fastener of claim 5, wherein the bolt fastener further comprises a connecting rod;
the connecting rod is connected with one end, far away from the bolt sleeve, of the input shaft.
7. The bolt fastener according to claim 6, wherein the bolt fastener further comprises a protection rod;
the guard bar is sleeved outside the connecting rod and is rotatably connected with one side, far away from the bolt sleeve, of the gear box.
8. The bolt fastener of claim 7, wherein the bolt fastener further comprises a handle;
the handle is connected with one end of the connecting rod, which is far away from the transmission component.
9. The bolt fastener of claim 7, wherein the bolt fastener further comprises a driver;
the output end of the driving piece is connected with the connecting rod.
10. The bolt fastener according to claim 9, wherein a hexagonal bolt hole is provided in the connecting rod, and a hexagonal bolt is provided in the input shaft, the hexagonal bolt being connected to the hexagonal bolt hole to connect the input shaft to the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228628.1U CN210189623U (en) | 2019-07-31 | 2019-07-31 | Bolt fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228628.1U CN210189623U (en) | 2019-07-31 | 2019-07-31 | Bolt fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210189623U true CN210189623U (en) | 2020-03-27 |
Family
ID=69865461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921228628.1U Active CN210189623U (en) | 2019-07-31 | 2019-07-31 | Bolt fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210189623U (en) |
-
2019
- 2019-07-31 CN CN201921228628.1U patent/CN210189623U/en active Active
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