CN112974969A - Portable nut breaking and dismounting device - Google Patents
Portable nut breaking and dismounting device Download PDFInfo
- Publication number
- CN112974969A CN112974969A CN202011395685.6A CN202011395685A CN112974969A CN 112974969 A CN112974969 A CN 112974969A CN 202011395685 A CN202011395685 A CN 202011395685A CN 112974969 A CN112974969 A CN 112974969A
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- nut
- rod
- broken
- tearing open
- pole
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- 230000000694 effects Effects 0.000 claims abstract description 18
- 241000557624 Nucifraga Species 0.000 claims 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
- B23D29/02—Hand-operated metal-shearing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
- B23D29/007—Hand-held metal-shearing or metal-cutting devices for splitting nuts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a portable nut breaking and dismantling device which comprises a tool rest, a nut locking sleeve, a breaking and dismantling rod and a power device, wherein the tool rest is arranged on the tool rest; the upper portion of knife rest is provided with the nut lock sleeve, the nut lock sleeve cover is established on waiting to brokenly tear the nut open, be provided with the opening in the circumference of nut lock sleeve, broken pole activity passageway of tearing open has been seted up along the axis in the knife rest, be provided with brokenly the pole of tearing open in the broken pole activity passageway of tearing open, the upper end tip an organic whole of brokenly the pole of tearing open is provided with brokenly the tear the tool bit open, the lower part of knife rest is provided with ejector pin activity passageway, ejector pin activity passageway and the coaxial setting of broken pole activity passageway of tearing open, be provided with the ejector pin in the ejector pin activity passageway, the lower part and the power device of knife rest can be dismantled and be connected. The invention has the advantages of small volume, convenient use and high universality, and can rapidly break and disassemble the rusted nut.
Description
Technical Field
The invention relates to the field of power maintenance operation accessories, in particular to a portable nut breaker.
Background
The threaded connection mode of the bolt and the nut is widely applied to various parts connection occasions. In the field of power supply maintenance, connection of various hardware fittings is often performed in a threaded connection mode. Because the bolt and the nut are often rusted due to factors such as water vapor and the like, the situation that the bolt and the nut are rusted and cannot be detached often occurs. For example, in power supply maintenance work, when old hardware is replaced in the upper rod operation, the nut is often rusted and cannot be smoothly removed. Most of the existing solutions are related tools carried by maintenance personnel, such as a manual saw or a heater, and the telegraph pole is manually removed by sawing or baking, so that the working environment is extremely dangerous, the removing efficiency is low, and the labor intensity is extremely high. Professional screw rod or hydraulic nut breaking and disassembling devices are also arranged on the market, but most screw rods are large in size and inconvenient to carry and use. And because some nut mounted position and environmental restriction, like the angle iron on the horizontal pole, current nut breaks dismouting device and can't use smoothly.
Disclosure of Invention
The invention aims to provide a portable nut breaking and dismantling device which has the advantages of small size, convenience in use and high universality and can quickly break and dismantle a rusted nut.
The invention adopts the following technical scheme:
a portable nut breaking-in device comprises a tool rest, a nut locking sleeve, a breaking-in rod and a power device; the upper portion of knife rest is provided with the nut lock sleeve, the nut lock sleeve cover is established on waiting to brokenly tear the nut open, be provided with the opening in the circumference of nut lock sleeve, broken pole activity passageway of tearing open has been seted up along the axis in the knife rest, be provided with brokenly the pole of tearing open in the broken pole activity passageway of tearing open, the upper end tip an organic whole of brokenly the pole of tearing open is provided with brokenly the tear the tool bit open, the lower part of knife rest is provided with ejector pin activity passageway, ejector pin activity passageway and the coaxial setting of broken pole activity passageway of tearing open, be provided with the ejector pin in the ejector pin activity passageway, the lower part and the power device of knife rest can be dismantled and be connected.
Nut lock sleeve include nut tight seat in top, nut tight seat in top includes horizontal part, the middle part of horizontal part is provided with the broken pole through-hole of tearing open that runs through the horizontal part along the fore-and-aft direction, broken pole through-hole of tearing open is the same and coaxial setting with the internal diameter of broken pole movable channel of tearing open, the horizontal part both ends set up left slope portion and right slope portion respectively, and every slope all includes the last slope subtotal the angle of declining of 120 contained angles, and the part of declining of left slope portion and right slope portion all becomes 120 contained angles with the horizontal part.
The nut locking sleeve is detachably connected with the upper part of the tool rest, and the horizontal part and the inclined parts at two ends are integrally formed.
The nut locking sleeve comprises a circular arc-shaped nut jacking sleeve, the opening direction of the nut jacking sleeve is the left side or the right side, a broken rod through hole is formed in the end part of the lower end of the nut jacking sleeve along the radial direction of the circular arc, and the broken rod through hole and the broken rod moving channel are the same in inner diameter and are coaxially arranged.
The central angle corresponding to the arc of the arc-shaped nut jacking sleeve is more than or equal to 180 degrees and less than or equal to 300 degrees.
The nut locking sleeve is detachably connected with the upper part of the tool rest.
The inner diameter of the ejector rod movable channel is larger than that of the broken-in rod movable channel, the outer diameter of the ejector rod is matched with that of the ejector rod movable channel, the outer diameter of the broken-in rod is matched with that of the broken-in rod movable channel, and the outer diameter of the ejector rod is larger than that of the broken-in rod.
The power device comprises a power device shell, the power device shell is detachably connected with the lower portion of the tool rest, a thread precession device, a hydraulic jacking device or an elastic power jacking device is arranged in the power device shell, the outer diameter of the output end of the thread precession device, the hydraulic jacking device or the elastic power jacking device is the same as that of the ejector rod, and the output end of the thread precession device, the hydraulic jacking device or the elastic power jacking device drives the forcible entry tool bit arranged at the end of the forcible entry rod to move towards the nut to be forcible entry through the ejector rod.
The screw thread precession device include the fixation nut who sets up in the power device casing, fixation nut internal thread connection has the precession screw rod, the front end of precession screw rod contacts with the rear end of ejector pin, the rear end of precession screw rod is provided with the twist grip.
The hydraulic jacking device adopts a hydraulic jacking rod.
The invention utilizes the power device to drive the ejector rod to move towards the end part of the breaking-in rod in the ejector rod movable channel, when the ejector rod contacts the end part of the breaking-in rod, the breaking-in rod is driven to move towards the direction of the nut to be broken-in, and finally the nut to be broken-in is cut through the breaking-in cutter head arranged at the end part of the breaking-in rod. According to the nut locking device, the openings are formed in the circumferential direction of the nut locking sleeve, so that the whole nut locking sleeve is not required to be sleeved on a nut to be broken and dismantled, and the nut locking device is suitable for special application occasions with insufficient space above the nut to be broken and dismantled. The invention is suitable for power maintenance work, has the advantages of small volume, convenient use and high universality, and can quickly break and disassemble the rusted nut.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 2, the portable nut breaking and dismantling device of the present invention includes a tool holder 1, a nut locking sleeve 2, a breaking and dismantling rod 3 and a power device 4; the upper portion of knife rest 1 is provided with nut lock sleeve 2, and 2 covers of nut lock sleeve are established on the nut of waiting to break open, are provided with opening 5 in 2 circumference of nut lock sleeve. Broken pole movable channel 6 of tearing open has been seted up along the axis in the knife rest 1, it is provided with broken pole 3 of tearing open in the pole movable channel 6 to break open, the upper end tip an organic whole of broken pole 3 of tearing open is provided with broken tool bit 7 of tearing open, the lower part of knife rest 1 is provided with ejector pin movable channel 8, ejector pin movable channel 8 with break the coaxial setting of pole movable channel 6 of tearing open, be provided with ejector pin 9 in the ejector pin movable channel 8, the lower part and the power device 4 of knife rest 1 can be dismantled and be connected, power device 4 drives through ejector pin 9 that the broken tool bit 7 of tearing open that 3 tip of pole set up is to.
When the nut splitting machine is used, the power device 4 drives the ejector rod 9 to move towards the end part of the splitting rod 3 in the ejector rod movable channel 8, when the ejector rod 9 contacts the end part of the splitting rod 3, the splitting rod 3 is driven to move towards the nut to be split, and finally the nut to be split is cut through the splitting tool bit 7 arranged at the end part of the splitting rod 3. In the invention, the opening 5 arranged on the periphery of the nut locking sleeve 2 does not need to sleeve the whole nut locking sleeve 2 on the nut to be broken and dismantled, so that the nut locking sleeve is suitable for special application occasions with insufficient space above the nut to be broken and dismantled.
In the present invention, the nut lock sleeve 2 may adopt two different structures.
Example 1:
the nut locking sleeve 2 comprises a nut jacking seat 2-1, the nut jacking seat 2-1 comprises a horizontal part 2-2, a breaking-in rod through hole 2-3 penetrating through the horizontal part 2-2 is formed in the middle of the horizontal part 2-2 in the front-back direction, the breaking-in rod through hole 2-3 is arranged coaxially with the inner diameter of a breaking-in rod movable channel 6, a left inclined part 2-4 and a right inclined part 2-5 are arranged at two ends of the horizontal part 2-2 respectively, each inclined part comprises an upper inclined sub part and a lower inclined sub part which form an included angle of 120 degrees, the lower inclined sub parts of the left inclined part 2-4 and the right inclined part 2-5 form an included angle of 120 degrees with the horizontal part 2-2, and the horizontal part 2-2 and the inclined parts at two ends are integrally formed.
The horizontal part 2-2, the left inclined part 2-4 and the right inclined part 2-5 jointly form an inner space which is matched with the shape of a hexagonal nut to be broken and disassembled. When the nut to be broken is removed, the upper inclined sub-part and the lower inclined sub-part of the left inclined part 2-4 and the right inclined part 2-5 can be in close contact with the surface of the nut to be broken, and the nut to be broken is fixed by providing enough friction force, so that the breaking head 7 can smoothly cut the nut to be broken.
In the invention, the types of the nuts to be removed are basically unified into two to three specifications during the operation of the upper rod, so that the nut locking sleeve 2 is detachably connected with the upper part of the tool rest 1, and the two to three matched specifications of the nut locking sleeve 2 are manufactured in advance, so that the nut locking sleeve can be commonly used for the whole operation of the upper rod, and the replacement speed of the nut locking sleeve 2 and the nut removal efficiency are improved.
Example 2:
the nut locking sleeve 2 comprises a circular arc-shaped nut jacking sleeve 2-6, the direction of an opening 5 of the nut jacking sleeve 2-6 is the left side or the right side, a broken-in rod through hole 2-3 is arranged at the lower end part of the nut jacking sleeve 2-6 along the radial direction of the circular arc, and the broken-in rod through hole 2-3 and the broken-in rod movable channel 6 are the same in inner diameter and are coaxially arranged. In consideration of the universality of the invention, the central angle corresponding to the arc of the arc-shaped nut puller sleeve 2-6 is more than or equal to 180 degrees and less than or equal to 300 degrees, namely the horizontal distance of the arc-shaped opening 5 of the nut puller sleeve 2-6 is not less than the side length of the matched hexagonal nut to be broken and disassembled.
In the invention, because the types of the nuts to be dismantled are basically unified into two to three specifications during the operation of the upper rod, when the nut to be dismantled is dismantled, the arc-shaped nuts positioned on the opposite sides of the through holes 2-3 of the dismantling rod push the tight sleeves 2-6 to tightly press and dismantle two top corners on one edge of the nut to be dismantled, the dismantling tool bit 7 pushes one edge of the corresponding nut tightly, and the dismantling tool bit 7 smoothly cuts the nut to be dismantled along with the continuous driving of the dismantling rod 3 by the power device 4 through the ejector rod 9.
In consideration of other use environments, in the invention, the nut locking sleeve 2 is detachably connected with the upper part of the tool rest 1, and the nut locking sleeve 2 with different sizes can be selected, so that the replacement speed of the nut locking sleeve 2 and the nut removal efficiency are improved, and the universality of the invention is enhanced.
In the invention, the outer diameter of the ejector rod 9 is matched with the inner diameter of the ejector rod movable channel 8, and the outer diameter of the breaking-in rod 3 is matched with the inner diameter of the breaking-in rod movable channel 6, so that the ejector rod 9 and the breaking-in rod 3 can accurately advance in the corresponding ejector rod movable channel 8 and the breaking-in rod movable channel 6 along the axial direction, and the accurate entry point of the breaking-in cutter head 7 is ensured. The internal diameter of ejector pin movable passage 8 is greater than the internal diameter of broken pole movable passage 6 of tearing open, the external diameter of ejector pin 9 is greater than the external diameter of broken pole 3 of tearing open, the maximum stroke of ejector pin 9 can be restricted to above-mentioned design, during the use, maintainer can be according to the specification of the nut of waiting to tear open, select the broken pole 3 of tearing open that corresponds length, it continues to cut into the threaded rod to avoid broken cutter head 7 to open the nut of waiting to tear open, the maintainer of also being convenient for uses simultaneously, it constantly observes broken cutter head 7 position to need not maintainer, reduce high altitude construction's working strength, improve high altitude construction's personnel safety.
In the invention, the power device 4 comprises a power device shell, the power device shell is detachably connected with the lower part of the tool rest 1 in a thread or buckle mode, and a thread screwing device, a hydraulic jacking device or an elastic power jacking device is arranged in the power device shell. The screw thread precession device, the hydraulic jacking device or the elastic power jacking device can drive the jacking rod 9 to advance along the axis by utilizing the power device to drive the shaft channel 4-1. The outer diameter of the output end of the thread precession device, the hydraulic jacking device or the elastic power jacking device is the same as that of the ejector rod 9, and the output end of the thread precession device, the hydraulic jacking device or the elastic power jacking device drives the forcible entry cutter head 7 arranged at the end part of the forcible entry rod 3 to move towards the nut to be forcible entry through the ejector rod 9.
In the invention, the thread screwing device comprises a fixed nut arranged in a shell of the power device 4, the fixed nut is connected with a screwing screw in an internal thread manner, the front end of the screwing screw is contacted with the rear end of the ejector rod 9, and the rear end of the screwing screw is provided with a rotating handle. The maintainer can rotate the rotating handle to drive the screw forward, so that the mandril 9 is driven to move forward.
The hydraulic jacking device can adopt a small hydraulic jacking rod 9, and a maintainer can move forwards through the small hydraulic jacking rod 9 and the jacking rod 9. The small hydraulic ram 9 is a commercially available product and will not be described in detail herein.
The shell of the power device 4 can also be internally provided with a spring power jacking device, the spring power device is a power device taking a gunpowder cartridge as power and is widely applied to the fields of installation, forcible entry, fixation and the like, and the thrust generated by gunpowder can drive the ejector rod 9 to move forwards through the output shaft, so that the aim of indirectly driving the forcible entry cutter head 7 to move towards the direction of a nut to be forcible entry is fulfilled.
Claims (10)
1. The utility model provides a broken ware of tearing open of portable nut which characterized in that: comprises a knife rest, a nut locking sleeve, a breaking and dismantling rod and a power device; the upper portion of knife rest is provided with the nut lock sleeve, the nut lock sleeve cover is established on waiting to brokenly tear the nut open, be provided with the opening in the circumference of nut lock sleeve, broken pole activity passageway of tearing open has been seted up along the axis in the knife rest, be provided with brokenly the pole of tearing open in the broken pole activity passageway of tearing open, the upper end tip an organic whole of brokenly the pole of tearing open is provided with brokenly the tear the tool bit open, the lower part of knife rest is provided with ejector pin activity passageway, ejector pin activity passageway and the coaxial setting of broken pole activity passageway of tearing open, be provided with the ejector pin in the ejector pin activity passageway, the lower part and the power device of knife rest can be dismantled and be connected.
2. The portable nut cracker according to claim 1, further comprising: nut lock sleeve include nut tight seat in top, nut tight seat in top includes horizontal part, the middle part of horizontal part is provided with the broken pole through-hole of tearing open that runs through the horizontal part along the fore-and-aft direction, broken pole through-hole of tearing open is the same and coaxial setting with the internal diameter of broken pole movable channel of tearing open, the horizontal part both ends set up left slope portion and right slope portion respectively, and every slope all includes the last slope subtotal the angle of declining of 120 contained angles, and the part of declining of left slope portion and right slope portion all becomes 120 contained angles with the horizontal part.
3. The portable nut cracker according to claim 2, further comprising: the nut locking sleeve is detachably connected with the upper part of the tool rest, and the horizontal part and the inclined parts at two ends are integrally formed.
4. The portable nut cracker according to claim 1, further comprising: the nut locking sleeve comprises a circular arc-shaped nut jacking sleeve, the opening direction of the nut jacking sleeve is the left side or the right side, a broken rod through hole is formed in the end part of the lower end of the nut jacking sleeve along the radial direction of the circular arc, and the broken rod through hole and the broken rod moving channel are the same in inner diameter and are coaxially arranged.
5. The portable nut cracker according to claim 4, wherein: the central angle corresponding to the arc of the arc-shaped nut jacking sleeve is more than or equal to 180 degrees and less than or equal to 300 degrees.
6. The portable nut cracker according to claim 1, further comprising: the nut locking sleeve is detachably connected with the upper part of the tool rest.
7. The portable nut cracker according to claim 1, further comprising: the inner diameter of the ejector rod movable channel is larger than that of the broken-in rod movable channel, the outer diameter of the ejector rod is matched with that of the ejector rod movable channel, the outer diameter of the broken-in rod is matched with that of the broken-in rod movable channel, and the outer diameter of the ejector rod is larger than that of the broken-in rod.
8. The portable nut cracker according to claim 1, further comprising: the power device comprises a power device shell, the power device shell is detachably connected with the lower portion of the tool rest, a thread precession device, a hydraulic jacking device or an elastic power jacking device is arranged in the power device shell, the outer diameter of the output end of the thread precession device, the hydraulic jacking device or the elastic power jacking device is the same as that of the ejector rod, and the output end of the thread precession device, the hydraulic jacking device or the elastic power jacking device drives the forcible entry tool bit arranged at the end of the forcible entry rod to move towards the nut to be forcible entry through the ejector rod.
9. The portable nut cracker according to claim 8, further comprising: the screw thread precession device include the fixation nut who sets up in the power device casing, fixation nut internal thread connection has the precession screw rod, the front end of precession screw rod contacts with the rear end of ejector pin, the rear end of precession screw rod is provided with the twist grip.
10. The portable nut cracker according to claim 8, further comprising: the hydraulic jacking device adopts a hydraulic jacking rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011395685.6A CN112974969A (en) | 2020-12-03 | 2020-12-03 | Portable nut breaking and dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011395685.6A CN112974969A (en) | 2020-12-03 | 2020-12-03 | Portable nut breaking and dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112974969A true CN112974969A (en) | 2021-06-18 |
Family
ID=76344867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011395685.6A Pending CN112974969A (en) | 2020-12-03 | 2020-12-03 | Portable nut breaking and dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112974969A (en) |
-
2020
- 2020-12-03 CN CN202011395685.6A patent/CN112974969A/en active Pending
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