CN109571370A - Percussive bolt detacher - Google Patents
Percussive bolt detacher Download PDFInfo
- Publication number
- CN109571370A CN109571370A CN201910069009.0A CN201910069009A CN109571370A CN 109571370 A CN109571370 A CN 109571370A CN 201910069009 A CN201910069009 A CN 201910069009A CN 109571370 A CN109571370 A CN 109571370A
- Authority
- CN
- China
- Prior art keywords
- cam
- moving
- shell
- moving cam
- percussive
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention discloses a kind of percussive bolt detachers, including determining cam, moving cam, reset spring, rotation section, determining cam includes the square block of cam part I and six, moving cam includes cam part II and percussion handle, determine cam and moving cam is coaxially disposed, cam part I and cam part II are opposite, and reset spring is sleeved in cam part I and cam part II, the straight hook at reset spring both ends is installed on respectively in the circular hole of cam part I and II tail portion of cam part, and rotation section is fixed with the six square block one end for determining cam.The present invention is linked using cam, moving cam and reset spring three is determined, and by the interaction and reset of cam, is easily realized disassembly locking bolt, is improved working efficiency, guarantee personnel safety, and simple for structure, figure is small and exquisite, facilitates gripping and carries low in cost.
Description
Technical field
The invention belongs to provision for disengagement technical fields, are related to a kind of percussive bolt detacher.
Background technique
Currently, the bolt in face of a little lockings is generally required in assembly or maintenance product, it can only be using works such as electric drill, chisel hammers
Tool is dismantled, bothersome laborious, and often easily injures intact bolt position in operation, causes unnecessary waste, very
, in addition easily can be unskilled due to operator to scrapping for entire product is caused, personnel are caused during cumbersome forcible entry
Injury.
Summary of the invention
In view of this, the present invention provides a kind of percussive bolt detacher, it is numerous in a manner of solving existing locking bolt and dismantle
The problem of trivial, low efficiency.
The technical scheme adopted by the invention is that percussive bolt detacher, including determine cam, moving cam, reset spring,
Rotation section, determining cam includes the square block of cam part I and six, and moving cam includes cam part II and taps handle, and it is same with moving cam to determine cam
Axis setting, cam part I and cam part II are opposite, and reset spring is sleeved in cam part I and cam part II, reset spring both ends
Straight hook be installed in the circular hole of II tail portion of cam part I and cam part respectively, rotation section with determine cam six square block one end consolidate
It is fixed.
It is of the invention to be further characterized in that,
Rotation section is rotation case, and one end is fixed with the six square block ends for determining cam inside rotation case, rotation case
There is the gap rotated for moving cam between the internal other end and the percussion handle of moving cam.
Rotation case is provided with hexagonal hole II close to the outside for determining cam one end, and rotation case is pacified close to one end of moving cam
Equipped with tail-hood, the percussion handle of moving cam is extended to outside tail-hood；Six square blocks are outer gibbosity.
Relatively turnable gripping shell is cased with outside rotation case.
Rotation section is rotation case, and one end is fixed with the six square block ends for determining cam inside rotation case, rotation case
Outside is cased with gripping shell, holds outer casing inner wall and be arranged along its length there are three sliding slot, rotation case by anticreep retainer ring and
The front end for holding shell is located by connecting, and moving cam, which is located at, to be held in shell and can axial displacement along the chute.
The axial location for determining cam is equipped with through-hole, and through-hole is hexagonal hole I at six smooth square block ends；Rotation section is mandrel,
Mandrel includes six fang platform rank ends and cylindrical end, and six fang platform rank end ends of mandrel pass through the hexagonal hole I for determining cam, six fang platform ranks
End is coupled with hexagonal hole I and moves in the same direction, in II axis hole of cam part of the cylindrical end insertion moving cam of mandrel.
Determine cam, be cased with gripping shell outside moving cam, holds outer casing inner wall and be provided with multiple sliding slots along its length, it is sliding
Slot is slidably matched with moving cam, and the percussion handle tail of moving cam, which passes through, holds shell, and it is solid close to the one end for determining cam to hold shell
Surely there is front cover, six fang platform rank ends of mandrel pass through front cover.
The invention has the advantages that linking using cam, moving cam and reset spring three is determined, pass through the mutual of cam
Disassembly locking bolt is easily realized in effect and reset, improves working efficiency, and guarantee personnel safety, simple for structure, figure is small and exquisite,
Facilitate gripping and carries low in cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, required in being described below to embodiment
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the overall structure diagram of percussive bolt detacher embodiment one of the present invention；
Fig. 2 (a) and Fig. 2 (b) are the embodiment of the present invention one, left side view and the right side that cam is determined in embodiment two respectively
View；
Fig. 3 is the moving cam structure chart in the embodiment of the present invention one；
Fig. 4 is the shaft side figure of the embodiment of the present invention one, embodiment two and the reset spring in embodiment three；
Fig. 5 (a) and Fig. 5 (b) is the perspective view and side view of rotation case in the embodiment of the present invention one respectively；
Fig. 6 is the positional diagram that the embodiment of the present invention one determines cam and moving cam under no external force；
Fig. 7 is the positional diagram that the embodiment of the present invention one determines cam and moving cam under external force；
Fig. 8 is the overall structure diagram of the embodiment of the present invention two；
Fig. 9 (a) and Fig. 9 (b) are the structure chart of the embodiment of the present invention two, moving cam in embodiment three respectively；
Figure 10 (a), Figure 10 (b) and Figure 10 (c) are rotation shell side view, perspective view in the embodiment of the present invention two respectively
And cross-sectional view；
Figure 11 (a) and Figure 11 (b) is the top view and side view that the embodiment of the present invention two holds shell respectively；
Figure 12 is the embodiment of the present invention two, cam is determined under no external force for embodiment three and the positional relationship of moving cam is shown
It is intended to；
Figure 13 is the embodiment of the present invention two, embodiment three determines cam under external force and the positional relationship of moving cam is illustrated
Figure；
Figure 14 is the overall structure diagram of the embodiment of the present invention three；
Figure 15 (a) and Figure 15 (b) is to determine cam left side view and right side view in the embodiment of the present invention three respectively；
Figure 16 (a) and Figure 16 (b) is the mandrel axial end view and side view of the embodiment of the present invention three respectively；
Figure 17 (a) and Figure 17 (b) is that the embodiment of the present invention three holds shell top view and side view respectively.
In figure, 1. determine cam, and 2. moving cams, 3. reset springs, 4. rotation cases, 5. tail-hoods, 6. hold shell, 7. anticreeps
Retainer ring, 8. mandrels, 9. front covers；101. cam part I, 102. 6 square blocks, 103. hexagonal holes I；201. cam parts II, 202. tap
Handle；401. hexagonal holes II；601. sliding slot；801. 6 fang platform rank ends, 802. cylindrical ends, 803. hexagonal hole III.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment one
Percussive bolt detacher of the present invention, as shown in Fig. 1-Fig. 7, including determine cam 1, moving cam 2, reset spring 3,
Rotation section, determining cam 1 includes cam part I 101 and six square blocks 102, and moving cam 2 includes cam part II 201 and taps handle 202, fixed
Cam 1 and moving cam 2 are coaxially disposed, and cam part I 101 and cam part II 201 are opposite, and reset spring 3 is sleeved on cam part I 101
In cam part II 201, the straight hook at 3 both ends of reset spring is installed on the circle of cam part I 101 Yu II 201 tail portion of cam part respectively
In hole, rotation section is fixed with six square blocks, 102 one end for determining cam 1.
Rotation section is rotation case 4, and 4 inside one end of rotation case is fixed with six square blocks, 102 one end for determining cam 1,
There is the gap rotated for moving cam 2 between the 4 inside other end of rotation case and the percussion handle 202 of moving cam 2.
Rotation case 4 is provided with hexagonal hole II 401 close to the outside for determining 1 one end of cam, and rotation case 4 is close to moving cam 2
One end tail-hood 5 is installed, the percussion handle 202 of moving cam 2 extends to outside tail-hood 5；Six square blocks 102 are outer gibbosity.
Relatively turnable gripping shell 6 is cased with outside rotation case 4.
The present invention is in use, choose suitable screwdriver bit and sleeve is installed at 4 outside hexagonal hole II 401 of rotation case, by it
It is fixed at the bolt for needing to be disassembled, the hand-held shell 6 that holds is motionless, strikes moving cam 2 at this time and taps handle, 2 shank of moving cam
Under external force, axially movable, cam contacts with each other with the cam for determining cam 1 until interacting and producing moving cam 2
Raw to squeeze sliding, along the mutual counterclockwise movement of both cam curved surfaces, therefore the axial movement that cam can be tapped to handle 202 converts
It is rotated counterclockwise to determine the low-angle of cam 1, rotation case 4 is driven to move together, that is, driven and be installed on outside rotation case 4
Screwdriver bit, that is, sleeve low-angle at hexagonal hole II 401 rotates counterclockwise, and achievees the purpose that dismantle locking bolt, as shown in Figure 7.
It is tapped after external force disappears in single, restores deformation using the antitorque characteristic of reset spring 3, so that determining cam 1 and moving cam 2 is extensive
Multiple initial position, the actuation between next cam are ready, as shown in Figure 6.And so on impact taps handle, can will embrace
Dead bolt gradually disassembles.
Embodiment two
Percussive bolt detacher of the present invention, as shown in Fig. 8-Figure 13, including determine cam 1, moving cam 2, reset spring 3,
Rotation section, determining cam 1 includes cam part I 101 and six square blocks 102, and moving cam 2 includes cam part II 201 and taps handle 202, fixed
Cam 1 and moving cam 2 are coaxially disposed, and cam part I 101 and cam part II 201 are opposite, and reset spring 3 is sleeved on cam part I 101
In cam part II 201, the straight hook at 3 both ends of reset spring is installed on the circle of cam part I 101 Yu II 201 tail portion of cam part respectively
In hole, rotation section is fixed with six square blocks, 102 one end for determining cam 1.
Rotation section is rotation case 4, and 4 inside one end of rotation case is fixed with six square blocks, 102 one end for determining cam 1,
Be cased with outside rotation case 4 hold shell 6, hold 6 inner wall of shell be arranged along its length there are three sliding slot 601, rotation case
4 by anticreep retainer ring 7 and hold the front end of shell 6 and are located by connecting, and moving cam 2, which is located at, to be held in shell 6 and can along the chute 601
Axial displacement.
Rotation case 4 is provided with hexagonal hole II 401 close to the outside for determining 1 one end of cam, and rotation case 4 is close to moving cam 2
One end tail-hood 5 is installed, the percussion handle 202 of moving cam 2 extends to outside tail-hood 5；Six square blocks 102 are outer gibbosity.
The present invention is in use, choose suitable screwdriver bit and sleeve is installed at 4 outside hexagonal hole II 401 of rotation case, by it
It is fixed at the bolt for needing to be disassembled, the hand-held shell 6 that holds is motionless, strikes moving cam 2 at this time and taps handle 202, taps handle
202 under external force, so that moving cam 2 is axially movable, cam part II 201 contacts with each other with cam 1 is determined until phase interaction
With and generate extruding sliding, along the mutual counterclockwise movement of both cam curved surfaces, therefore the axial movement of moving cam 2 can be converted
It is rotated counterclockwise to determine the low-angle of cam 1, rotation case 4 is driven to move together, that is, driven and be installed on 4 six side of rotation case
Screwdriver bit and sleeve low-angle at hole II 401 rotate counterclockwise, and achieve the purpose that dismantle locking bolt, as shown in figure 13.In list
After secondary percussion external force disappears, restore deformation using the antitorque characteristic of reset spring 3, restores just so that determining cam 1 with moving cam 2
Beginning position, the actuation between next cam are ready, as shown in figure 12.And so on impact taps handle, can be by locking spiral shell
Bolt gradually disassembles.
Holding 6 inner wall of shell, there are three sliding slots 601, cooperate with moving cam 2 and slide.Determine cam 1, moving cam 2 and resets bullet
3 three of spring is axially mounted and is coupled, and forms the invention core activation part, and three interconnects, and guarantees the interaction of two cams
The starting of process and end position.In the present embodiment, sliding slot 601 is on the inner wall for holding shell 6；Hold the front end of shell 6
It is located by connecting with rotation case 4 by anticreep retainer ring 7, holding is to be slidably matched between shell 6 and rotation case 4.It is tapping
When, hold shell 6 be it is motionless, moving cam drive determines cam 1 and rotation section is driven to rotate, after having tapped, hand can be unclamped, made
The screw that shell 6 resets under the action of reset spring 3 or present apparatus disengaging is loosened is held, rotation section return is made.
Embodiment three
Percussive bolt detacher of the present invention as shown in Figure 14-Figure 17, including determines cam 1, moving cam 2, reset spring
3, rotation section, determining cam 1 includes cam part I 101 and six square blocks 102, and moving cam 2 is including cam part II 201 and taps handle 202,
Determine cam 1 and moving cam 2 is coaxially disposed, cam part I 101 and cam part II 201 are opposite, and reset spring 3 is sleeved on cam part I
101 in cam part II 201, and the straight hook at 3 both ends of reset spring is installed on cam part I 101 and II 201 tail portion of cam part respectively
Circular hole in, rotation section is fixed with six square blocks, 102 one end for determining cam 1.
The axial location for determining cam 1 is equipped with through-hole, and through-hole is hexagonal hole I 103 in smooth six square blocks, 102 outer end；Rotation
Portion is mandrel 8, and mandrel 8 includes six fang platform rank ends 801 and cylindrical end 802, and six fang platform rank ends, 801 front end of mandrel 8 passes through fixed convex
The hexagonal hole I 103 of wheel 1, six fang platform rank ends 801 are coupled with hexagonal hole I 103 and move in the same direction, the cylindrical end 802 of mandrel 8
It is inserted into II 201 axis hole of cam part of moving cam 2.
Determine cam 1, be cased with outside moving cam 2 and hold shell 6, holds 6 inner wall of shell and be provided with multiple cunnings along its length
Slot 601, sliding slot 601 are slidably matched with moving cam 2, and 202 tail portion of percussion handle of moving cam 2, which passes through, holds shell 6, hold shell 6
It is fixed with front cover 9 close to the one end for determining cam 1, six fang platform rank ends 801 of mandrel 8 pass through front cover 9.
The present invention in use, choose suitable screwdriver bit and sleeve be installed on mandrel 8 six fang platform rank ends, 801 front end hexagonal hole
It in III803, is fixed at the bolt for needing to be disassembled, the hand-held shell 6 that holds is motionless, strikes moving cam 2 at this time and taps
Handle 202 taps handle 202 under external force, makes moving cam 2 axially movable, cam part II 201 and the cam for determining cam 1
Portion I 101 contacts with each other up to interacting and generating extruding sliding, along the mutual counterclockwise movement of both cam curved surfaces, therefore can
It converts the axial movement of moving cam 2 to and determines the low-angle of cam 1 and rotate counterclockwise, band moving mandrel 8 moves together, that is, drives
It is installed on the i.e. sleeve low-angle of screwdriver bit at six fang platform rank ends 801 of core axis 8 to rotate counterclockwise, reaches disassembly locking bolt
Purpose, as shown in figure 17.After single taps external force disappearance, restore deformation using the antitorque characteristic of reset spring 3, so that
Determine cam 1 and moving cam 2 restores initial position, the actuation between next cam is ready, as shown in figure 16.And so on
Impact taps handle, can gradually disassemble locking bolt.
Determine the multi-angle schematic diagram of cam 1, moving cam 2 and reset spring 3, three is axially mounted and is coupled, and forms the hair
Bright core activation part, three interconnect, and guarantee the starting and end position of two cam interaction processes.Determine cam 1
It is moved in the same direction with mandrel 8, moving cam 2 is slidably matched with 6 inner wall of shell, three sliding slot is held, and guarantees that moving cam 2 is axially moved surely
It is fixed.2 shank of moving cam, which passes through, holds 6 one end of shell, guarantees that its axial movement is not deviate from.8 both ends of mandrel respectively penetrate front cover 9
In 2 axis hole of moving cam, so that front cover 9 and moving cam 2 can be rotated relative to mandrel 8.
A kind of percussive bolt detacher of the present invention, the end face of two cams is all rotary arc, the opposed formation of the two
Mesh form.After percussion, moving cam 2 is drawn close to cam 1 is determined, and the cam part I 101 for determining cam 1 is transported along the contoured surface of moving cam 2
Dynamic, result to determine the rotation that certain angle occurs for cam.Under original state, the top of two cams is closest, is in
Fully engaged state can be formed both after conjunction state, stress.The present invention overcomes disassembly locking bolt to cause using forcible entry mode
Troublesome operation, improve working efficiency, guarantee personnel safety, simple for structure, figure is small and exquisite, facilitate gripping and carry it is at low cost
It is honest and clean.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention are all contained in protection model of the invention
In enclosing.
Claims (7)
1. percussive bolt detacher, which is characterized in that including determining cam (1), moving cam (2), reset spring (3), rotation section,
Described to determine cam (1) include cam part I (101) and six square blocks (102), and the moving cam (2) includes cam part II (201) and strikes
It hits handle (202), it is described to determine cam (1) and moving cam (2) coaxial arrangement, the cam part I (101) and cam part II (201) phase
Right, the reset spring (3) is sleeved in cam part I (101) and cam part II (201), reset spring (3) both ends it is straight
Hook is installed on respectively in the circular hole of cam part I (101) and cam part II (201) tail portion, the rotation section and determines the six of cam (1)
Square block (102) one end is fixed.
2. percussive bolt detacher according to claim 1, which is characterized in that the rotation section is rotation case (4),
The internal one end of the rotation case (4) holds with six square blocks (102) for determining cam (1) and is fixed, and the rotation case (4) is internal
There is the gap rotated for moving cam (2) between the other end and the percussion handle (202) of moving cam (2).
3. percussive bolt detacher according to claim 1, which is characterized in that the rotation section is rotation case (4),
The internal one end of the rotation case (4) is fixed with six square blocks (102) one end for determining cam (1), and the rotation case (4) is outside
Portion, which is cased with, holds shell (6), grippings shell (6) inner wall be arranged along its length there are three sliding slot (601), outside the rotation
Shell (4) is located by connecting by anticreep retainer ring (7) with the front end for holding shell (6), and the moving cam (2), which is located at, holds shell (6)
It is interior and can (601) axial displacement along the chute.
4. percussive bolt detacher according to claim 1, which is characterized in that the axial location for determining cam (1)
Equipped with through-hole, the through-hole is hexagonal hole I (103) at six square blocks (102) end；The rotation section is mandrel (8), the mandrel
It (8) include six fang platform rank ends (801) and cylindrical end (802), six fang platform rank end (801) ends of the mandrel (8) pass through fixed convex
The hexagonal hole I (103) of (1) is taken turns, the six fang platforms rank end (801) is coupled with hexagonal hole I (103) and moves in the same direction, described
In cam part II (201) axis hole of cylindrical end (802) insertion moving cam (2) of mandrel (8).
5. percussive bolt detacher according to claim 2 or 3, which is characterized in that the rotation case (4) is close to fixed
The outside of cam (1) one end is provided with hexagonal hole II (401), and the rotation case (4) is equipped with close to the one end of moving cam (2)
Tail-hood (5), it is external that the percussion handle (202) of the moving cam (2) extends to tail-hood (5)；Six square block (102) is outer gibbosity.
6. percussive bolt detacher according to claim 2, which is characterized in that be cased with outside the rotation case (4)
Relatively turnable gripping shell (6).
7. percussive bolt detacher according to claim 4, which is characterized in that described to determine cam (1), moving cam (2)
Outside, which is cased with, holds shell (6), and gripping shell (6) inner wall is provided with multiple sliding slots (601), the sliding slot along its length
(601) it is slidably matched with moving cam (2), percussion handle (202) tail portion of the moving cam (2), which passes through, holds shell (6), described to hold
It holds shell (6) to be fixed with front cover (9) close to the one end for determining cam (1), before six fang platform rank ends (801) of the mandrel (8) pass through
It covers (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069009.0A CN109571370A (en) | 2019-01-24 | 2019-01-24 | Percussive bolt detacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069009.0A CN109571370A (en) | 2019-01-24 | 2019-01-24 | Percussive bolt detacher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109571370A true CN109571370A (en) | 2019-04-05 |
Family
ID=65917161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069009.0A Pending CN109571370A (en) | 2019-01-24 | 2019-01-24 | Percussive bolt detacher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109571370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192489A (en) * | 2020-08-18 | 2021-01-08 | 神华新能源有限责任公司 | Torque amplification device, bolt disassembling tool and bolt disassembling method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4638541A (en) * | 1984-06-22 | 1987-01-27 | Schindler Jr Edward F | Tools for repairing a diesel engine cylinder head |
| CN201792316U (en) * | 2010-01-11 | 2011-04-13 | 彭炜 | Knocking type threaded connection tension regulator |
| JP2012183594A (en) * | 2011-03-03 | 2012-09-27 | Suekage Sangyo Co Ltd | Wrench driven by power tool |
| CN209579422U (en) * | 2019-01-24 | 2019-11-05 | 陕西理工大学 | Percussive bolt detacher |
-
2019
- 2019-01-24 CN CN201910069009.0A patent/CN109571370A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4638541A (en) * | 1984-06-22 | 1987-01-27 | Schindler Jr Edward F | Tools for repairing a diesel engine cylinder head |
| CN201792316U (en) * | 2010-01-11 | 2011-04-13 | 彭炜 | Knocking type threaded connection tension regulator |
| JP2012183594A (en) * | 2011-03-03 | 2012-09-27 | Suekage Sangyo Co Ltd | Wrench driven by power tool |
| CN209579422U (en) * | 2019-01-24 | 2019-11-05 | 陕西理工大学 | Percussive bolt detacher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192489A (en) * | 2020-08-18 | 2021-01-08 | 神华新能源有限责任公司 | Torque amplification device, bolt disassembling tool and bolt disassembling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3511669B1 (en) | Telescopic police baton | |
| CN104912491B (en) | Automatic-rotating rapid dismounting and mounting type spiral drill rod | |
| WO2015066962A1 (en) | Conversion mechanism for linear motion and rotational motion | |
| CN109571370A (en) | Percussive bolt detacher | |
| CN105058327A (en) | Multifunctional electric hammer structure | |
| CN100404177C (en) | Locking type drill gripping head | |
| CN209579422U (en) | Percussive bolt detacher | |
| CN209007463U (en) | Pin removal | |
| CN112809939B (en) | Anti-seize water drill for constructional engineering | |
| EP2701880B1 (en) | An impact mechanism, rock drill and drill rig comprising such impact mechanism | |
| CN105952380B (en) | A kind of mould broaching equipment and its expanding method | |
| CN109184353B (en) | Intelligent lock | |
| CN108316385B (en) | Breaking hammer and working method thereof | |
| CN109397186A (en) | Blind pin pin removal | |
| CN212399391U (en) | Oil recovery well head flange and clamp bolt extracting tool | |
| CN202622690U (en) | Nail extracting tool | |
| CN113251049B (en) | Detachable positioning device | |
| CN214498975U (en) | Salvage cylinder with built-in shear pin and pin mounting tool thereof | |
| CN210460656U (en) | Locking device for clutch mechanism of coal mining machine | |
| CN209288762U (en) | For fixing the Quick Release fixed link of spoke on a kind of multi spindle drilling machine | |
| CN1479666B (en) | Impact tool with detachable drive end | |
| CN220218384U (en) | Electric hammer convenient to change tup | |
| CN215510793U (en) | Automatic tightening device for steel bar sleeve | |
| CN218903727U (en) | Hole digger direction drilling rod convenient to dismouting | |
| CN114263671B (en) | Connection locking mechanism convenient to dismantle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |