CN110202521A - Manual mechanical is common-the dual-purpose drawbench of reinforcement - Google Patents
Manual mechanical is common-the dual-purpose drawbench of reinforcement Download PDFInfo
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- CN110202521A CN110202521A CN201910457196.XA CN201910457196A CN110202521A CN 110202521 A CN110202521 A CN 110202521A CN 201910457196 A CN201910457196 A CN 201910457196A CN 110202521 A CN110202521 A CN 110202521A
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- drawbench
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
Invention be related to a kind of Manual mechanical it is common-the dual-purpose drawbench of reinforcement.Mainly solves the small workplace that can not solve the problem of site problems or tonnage is larger but inconvenient to use not flexible and needs are very big of existing drawbench tonnage.It is characterized by: pushing nut outer surfaces is installed with pressure-bearing pedestal, pressure-bearing two sides of base connects push strut by stud respectively, and two sides push strut is separately connected tie-bar bar one end；Tie-bar bar is connected close to the other end of pressure-bearing lead screw and the upper hole of triangular base, and triangular base lower-left side opening is connect by stud with pulling-on piece, and triangular base bottom right side opening passes through cylinder pin connection pressure-bearing body；Pulling-on piece lower part is connect by stud with connector, and connector lower thread connects drag hook, connects the stud of pulling-on piece and connector across the hole of pressure-bearing body；Straight pin passes through the hole on triangular base and pressure-bearing body, is threadedly coupled on pressure-bearing body central part threaded hole and pressure-bearing lead screw.The drawbench easy to use and flexible, is not limited by very big working space.
Description
Technical field
The present invention relates to machine applications technical field, in particular to a kind of Manual mechanical is common-the dual-purpose drawbench of reinforcement.
Background technique
Current common drawbench, shaped article is more, but most of drawbench pulling capacities are smaller (1 ton -10 tons)；It forms
The large-tonnage drawbench (100 tons -300 tons) of type, occupied area is larger, and system complex, own wt is big, and being not easy to movement makes
With；There are also mechanical-hydraulics to combine drawbench, and drawing tonnage is (1 ton -50 tons) placed in the middle, and single self weight is larger, needs independent hydraulic
System is limited by very big working space.
Summary of the invention
The technical problems to be solved by the invention are to overcome present in background technique that existing drawbench tonnage is small to be solved
Site problems or tonnage are larger but inconvenient to use not flexible, and the problem of need very big workplace, and provide a kind of hand
Dynamic mechanical common-dual-purpose drawbench of reinforcement, the Manual mechanical is common-the dual-purpose drawbench of reinforcement, easy to use and flexible, not by
The limitation of very big working space.
Invention solves the problems, such as that it can reach by following technical solution: the Manual mechanical commonly-the dual-purpose drawing of reinforcement
Device, including pressure-bearing lead screw, connection pushes the centre bore of nut, pressure-bearing body on pressure-bearing lead screw, at left and right sides of pressure-bearing body top respectively
It is provided with hole A；Hole B is had at left and right sides of pressure-bearing body lower part；It pushes nut outer surfaces and is installed with pressure-bearing pedestal, pressure-bearing pedestal lower part
It pushes nut thread and connects standby cap；Pressure-bearing two sides of base connects push strut by stud respectively, and two sides push strut is led to respectively
Cross stud connection tie-bar bar one end；Tie-bar bar passes through the upper of stud and triangular base close to the other end of pressure-bearing lead screw
Hole connection, triangular base lower-left side opening are connect by stud with pulling-on piece, and triangular base bottom right side opening passes through cylinder pin connection
Pressure-bearing body；Pulling-on piece lower part is connect by stud with connector, and connector lower thread connects drag hook, connects pair of pulling-on piece and connector
Hook bolt passes through the hole of the lower part of pressure-bearing body；Straight pin passes through the hole of triangular base and pressure-bearing body top, makes triangular base can be with
Hole on pressure-bearing body rotates clockwise, and pressure-bearing body central part has threaded hole, and is threadedly coupled on pressure-bearing lead screw.
Invention can be had the following beneficial effects: with above-mentioned background technique compared with the Manual mechanical commonly-reinforcement is dual-purpose
Drawbench, can get it is following the utility model has the advantages that
(1), when with scissors four-bar mechanism drawing, push strut generates horizontal component and point perpendicular to two hole line of tie-bar bar
Power, when need very big pulling capacity, beyond the range of manual operation power when, four-bar mechanism will not act, and pass through tie-bar at this time
The flexible deformation (knee part straightens) of bar metal makes two hole length of tie-bar bar have certain incrementss, so as to push strut continuation
It moves down, makes the angle theta of push strut and tie-bar bar continue to become smaller, horizontal component is increasing；
(2), the horizontal component and the component of triangular base is acted on perpendicular to the component of two hole line of tie-bar bar that push strut generates
Square superposition makes drag hook obtain greatly initial pulling capacity；
(3), when angle theta is reduced to certain numerical value (such as 10oDetermined according to each length of connecting rod), perpendicular to two Kong Lian of tie-bar bar
The moment of components of line is less than horizontal component square, and tie-bar bar passes through triangular base based on moving horizontally, and four-bar mechanism is larger
Horizontal component be converted into vertical tension.
The invention can effectively solve field condition or be met an urgent need in one's power large-tonnage drawing required for field by space limiting field
The problem of machine.According to required difference, adjustment of the spacing between two drag hooks, three drag hooks and drag hook etc. can be adjusted to by repacking,
Working efficiency is greatly improved, job costs are reduced.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of invention；
Attached drawing 2 is the four-bar mechanism restructuring schematic diagram of invention；
Attached drawing 3 is the four-bar mechanism bending design schematic diagram of invention；
Attached drawing 4 is that the four-bar mechanism of invention has the schematic diagram of spring；
Attached drawing 5 is the four-bar mechanism working principle diagram of invention；
Attached drawing 6 is the pressure-bearing body structural schematic diagram of invention；
Attached drawing 7 is the top view of attached drawing 6；
Attached drawing 8 is the side view of attached drawing 6；
Attached drawing 9 is the structural schematic diagram of the connector of invention.
In figure: 1, pressure-bearing lead screw, 2, push strut, 3, tie-bar bar, 4, triangular base, 5, pressure-bearing body, 6, pressure-bearing pedestal, 7, push away
Press nut, 8, pulling-on piece, 9, connector, 10, standby cap, 11, stud, 12, stud, 13, straight pin, 14, gasket A, 15, pad
Piece B, 16, drag hook, 17, spring, 18, stiffening plate, 19, hole A, 20, hole B, 21, centre bore.
Specific embodiment:
Invention will be described further with reference to the accompanying drawing:
As shown in Fig. 1, the Manual mechanical it is common-the dual-purpose drawbench of reinforcement, including pressure-bearing lead screw 1,1 upper and lower side of pressure-bearing lead screw
External screw thread connection pushes the centre bore 21 of nut 7, pressure-bearing body 5, and the structure of pressure-bearing body 5 is anti-to increase part as shown in Fig. 6,7,8
Tensile strength design, 5 top of the pressure-bearing body left and right sides have hole A19；Hole B20 is had at left and right sides of 5 lower part of pressure-bearing body；
The centre bore of pressure-bearing pedestal 6, which penetrates, pushes 7 outer surface of nut, is connect by standby cap 10 with 7 lower thread of nut is pushed, makes pressure-bearing
Pedestal 6 can be freely rotated on pushing nut 7, and 6 upper and lower side of pressure-bearing pedestal and 7 top of pushing nut are distinguished between standby cap 10
Equipped with gasket A14；6 two sides of pressure-bearing pedestal pass through stud 11 respectively and connect push strut 2, and two sides push strut 2 is respectively by double
Hook bolt 11 connects 3 one end of tie-bar bar, and tie-bar bar 3 is designed using bending, 3 bending angles of tie-bar bar < 15O, and tie-bar bar 3 is close to be held
The other end of silk pressing thick stick 1 is connect by stud 12 with the upper hole of triangular base 4, and 4 lower-left side opening of triangular base passes through double end
Bolt 11 is connect with pulling-on piece 8, and 4 bottom right side opening of triangular base connects the hole A19 on 5 top of pressure-bearing body by straight pin 13；Under pulling-on piece 8
Portion is connect by stud 11 with the hole B20 of the aperture on 9 top of connector, the lower part of pressure-bearing body 5, the connection of 9 lower thread of connector
Drag hook 16, as shown in Figure 9；Gasket B15 is housed between stud 11 and push strut 2, tie-bar bar 3；Straight pin 13 passes through triangular basis
Hole on seat 4 and pressure-bearing body 5, rotates clockwise hole A19 of the triangular base 4 on pressure-bearing body 5,5 central part of pressure-bearing body
Point threaded hole, and be threadedly coupled on pressure-bearing lead screw 1, and the main acting component of common drawbench；The two sides push strut
2, two tie-bar bars 3, triangular base 4, pressure-bearing body 5, pulling-on piece 8, connector 9, drag hook 16 and its connecting component connect and compose double leval jib
Effort-saving mechanism；The initial angle of push strut 2 and the angle theta of tie-bar bar 3 is 30O—450；Tie-bar bar 3 is connect outer with push strut 2
End point lower part is connected with spring 17 by connecting rod, and the design and bending that spring is added similarly, can make double leval jib effort-saving mechanism
It does work since larger angle, compressed spring has energy storage effect；It lengthens the length of tie-bar bar 3 in a disguised form, mainly considers folder
The initial angle of angle θ is 30O—450Between, when needing pulling capacity very big, acting on the manual force pushed on nut 7 can not
The pulling force for overcoming drag hook 16 can achieve purpose by compressed spring, and angle theta is made to continue to become smaller, and can be gradually increased drag hook
16 pulling force；Tie-bar bar 3 is connected as one with stiffening plate 18, and main function is the bending strength for enhancing tie-bar bar 3, shown drawing
Lever 3 is the metal material of elastically deformable, the specially metals such as steel, iron.
5 top of pressure-bearing body or so two holes and the hole of triangular base 4 are connect by straight pin 13, two hole of lower part or so with
Connector 9 connects, and is connected outside connector 9 by pulling-on piece 8,8 top of pulling-on piece is connect with the hole stud 11 of triangular base 4, pressure-bearing
5 lower part of body or so two holes are long hole, and stud 11 is passed through, can be moved up and down, to drive triangular base by tie-bar bar 3
Pulling-on piece 8 is driven to move up when 4 overturning, to drive connector 9 and drag hook 16 mobile.
Manual mechanical of the present invention is common-and the dual-purpose drawbench of reinforcement according to theory is: and one, diamond shape four-bar mechanism is wherein
One group of angle steel joint force, another group of angle steel joint obtain a power F1(such as Fig. 2), when obtaining, the diagonal angle of F1 power is smaller, then F1
Triangular base 4 is added, horizontal force F1 is converted into the vertical strain power of drag hook by Mechanism Combination much larger than force；Two, machine
Triangular base 4 and tie-bar bar 3 in structure are bonded lever system, so that vertical stress component F2 is fully utilized, are ultimately applied to
On triangular base 4, and it is converted into the pulling force of drag hook 16.So drag hook 16 obtains huge pulling force.
The Manual mechanical is common-the dual-purpose drawbench of reinforcement using scissors double leval jib effort-saving mechanism as main carriers, use spiral shell
Bolt passes through it diagonally, and double leval jib is divided into symmetrical two parts, rotating nuts, makes four-bar mechanism angle (i.e. push strut 2, drawing
3 angles of lever) θ becomes smaller, when angle theta is smaller and smaller, increasing horizontal component F1 can be obtained in connecting rod junction, when
Angle is close to 0oWhen, the horizontal force F1 approach infinity of acquisition.The lower link of the left and right sides is changed according to this feature
It makes (as shown in Figure 2), horizontal force F1 is made to be converted into the vertical force of drag hook 16.The bending of tie-bar bar 3 is designed (such as Fig. 3 institute simultaneously
Show), or the design of spring is added, the design and bending that spring is added similarly, lengthen the length of tie-bar bar 3 in a disguised form, mainly
The initial angle for considering angle theta is 30O—450Between, when needing pulling capacity very big, acts on and push applying on nut 7 manually
Power can not overcome the pulling force of drag hook 16, by compressed spring, can achieve purpose, and angle theta is made to continue to become smaller, and can gradually add
The pulling force (as shown in Figure 4) of big drag hook 16, makes the following effect of invention acquisition: (one), with scissors four-bar mechanism drawing when, push away
Compression bar 2 generates horizontal component and the component perpendicular to 3 liang of hole lines of tie-bar bar, when the very big pulling capacity of needs, beyond manual operation
When the range of power, four-bar mechanism will not be acted, and pass through the flexible deformation of 3 metal of tie-bar bar at this time (knee part straightens)
So that 3 liang of hole lengths of tie-bar bar there are certain incrementss, so that push strut 2 continues to move down, makes the angle theta of push strut 2 Yu tie-bar bar 3
Continue to become smaller, horizontal component is increasing；(2), push strut 2 generate horizontal component and perpendicular to 3 liang of hole lines of tie-bar bar
The moment of components superposition that component acts on triangular base 4 makes drag hook 16 obtain great initial pulling capacity；(3), when angle theta is reduced
(such as 10 when to certain numerical valueoDetermined according to each length of connecting rod), it is less than horizontal point perpendicular to the moment of components of 3 liang of hole lines of tie-bar bar
Torque, tie-bar bar 3 (as shown in Figure 5) based on moving horizontally, and by triangular base 4, the biggish level of four-bar mechanism
Component is converted into vertical tension.
As shown in Figure 1, being illustrated on the right side of pressure-bearing lead screw.Pass through in tie-bar bar 3 close to one end of pressure-bearing lead screw 1
Stud 12 is connect with the upper hole of triangular base 4, its main feature is that: there is bayonet on tie-bar bar 3, is pasted with the side of triangular base 4
It closes, when the end of tie-bar bar 3 is by downward power, triangular base 4 keeps opposing stationary with tie-bar bar 3；When tie-bar bar 3 is by water
When flat power to the right, tie-bar bar 3 has the tendency that moving right, when angle theta is small arrives certain numerical value (such as 10o, according to each connecting rod
Length determines), then it moves right, while triangular base 4 being driven to rotate clockwise along straight pin 13, drives triangular base 4 left
Lower-side hole moves in a circle upwards, which is connect by stud 11 with pulling-on piece 8, and its underpart passes through stud 11 and connector
9 connections, 9 lower part of connector are threadedly coupled with drag hook 16, and under the premise of keeping pressure-bearing lead screw 1 motionless, matching piece is drawn out one
Fixed length.The stud of pulling-on piece 8 and connector 9 is connected across the hole of pressure-bearing body 5, can guarantee the lower end of drag hook 16 Yu pulling-on piece 8
Straight line move up and down.
Application method of the invention are as follows: as common drawbench in use, 16 lodge of drag hook on workpiece, guarantee to push
Nut 7 does not rotate, rotating pressure-bearing lead screw 1, until workpiece is taken out；It needs pulling capacity larger if workpiece need to be dismantled, stops revolving
Vicarious silk pressing thick stick 1 is rotated clockwise with spanner and pushes nut 7, and drive push strut 2, tie-bar bar 3 is downward, moves right, tie-bar bar
3 are designed using bending, are mainly considered when needing pulling capacity very big, as 2 right part of push strut is downward, moves right,
Tie-bar bar 3 can be made to have certain elastic bending, to make the extension on tie-bar bar 3 between two holes, so as to make push strut 2 after
It is continuous to push, and the angle between tie-bar bar 3 becomes smaller (if without bending, angle does not become smaller), when angle is reduced to certain numerical value
When (such as 10o, determined according to each length of connecting rod), the horizontal component square that push strut 2 generates is greater than the rotary force that tie-bar bar 3 generates
Square, then tie-bar bar 3, so that the horizontal force of four-bar mechanism is converted into vertical force, works as mitre joint based on moving horizontally to the right
Nearly 0oWhen, horizontal component square approach infinity.Before moving horizontally to the right, due to the presence of 3 elastic bending of tie-bar bar, tie-bar
The turning moment that bar 3 generates is superimposed with horizontal component square, and collective effect is on triangular base 4 and being allowed to revolve along clockwise direction
Turn, drag hook 16 is made to obtain great initial pulling capacity.
Embodiment 1
As shown in Figure 1, corroding belt pulley using drawing scene of the present invention motor of oil extractor, pumping unit is field work scene,
Motor pulley replacement frequency is lower, so often corroding because of severe working environment seriously when needing to change, utilizing drawing
Device carries out drawing, firstly, drawbench drag hook 16 is taken over pulleys carried, rotating pressure-bearing lead screw 1 makes drag hook 16 tightly be attached to belt
On wheel, continue rotating pressure-bearing lead screw 1, until belt pulley is taken out, if drawing is laborious or pressure-bearing lead screw 1 rotates motionless, stops
Spin-ended turn, rotating clockwise pushing nut 7 with spanner at this time makes push strut 2 and the angle of tie-bar bar 3 become smaller, due to tie-bar bar 3
Bending design, sustainable that angle is made to become smaller, the pulling capacity of acquisition can increasing, continues rotation and pushes nut 7, up to 0o,
Then belt pulley is drawn out a segment length.Then rotation pushes nut 7 to initial position counterclockwise, repeats aforesaid operations, until
Belt pulley pulls out, and restores drawbench initial position.
Embodiment 2
As Figure 1 and Figure 4, belt pulley is corroded using drawing scene of the present invention motor of oil extractor, pumping unit is existing for field work
, motor pulley replacement frequency is lower, so often corroding serious, utilization because of severe working environment when needing to change
Drawbench carries out drawing, firstly, drawbench drag hook 16 is taken over pulleys carried, rotating pressure-bearing lead screw 1 is attached to drag hook 16 tightly
On belt pulley, continue rotating pressure-bearing lead screw 1, until belt pulley is taken out, if drawing is laborious or pressure-bearing lead screw 1 rotate it is motionless,
It then stops rotating, rotating clockwise pushing nut 7 with spanner at this time makes push strut 2 and the angle of tie-bar bar 3 become smaller, due to tie-bar
The bending of bar 3 and spring design, compression bar 2 have the tendency that drive tie-bar bar 3 moves horizontally two sides to the left and right during pushing, simultaneously
3 stress of tie-bar bar pushes, and straightens elasticity, or make spring-compressed, turns the elongated force acting of part in the process of tie-bar bar 3
Become elastic potential energy, since 3 length of tie-bar bar increases, four-bar mechanism angle theta can be made to continue to make to become smaller, the angle θ is smaller, acquisition
Pulling capacity can be increasing, continues rotation and pushes nut 7, until 0o, then belt pulley is drawn out a segment length.Then counterclockwise
Rotation pushes nut 7 to initial position, repeats aforesaid operations, until belt pulley pulls out, restores drawbench initial position.
Above-described embodiment can effectively solve field condition or be met an urgent need in one's power large-tonnage required for field by space limiting field
The problem of drawing machine.The anti-load-carrying ability of drawbench own material allows, and can increase pulling capacity at several times, greatly improve work
Efficiency, lower job costs.
Claims (6)
1. a kind of Manual mechanical is common-the dual-purpose drawbench of reinforcement, including pressure-bearing lead screw (1), the outer spiral shell of pressure-bearing lead screw (1) upper and lower side
Line connection pushes the centre bore of nut (7), pressure-bearing body (5), it is characterised in that: has at left and right sides of pressure-bearing body (5) top
Hole A(19)；Hole B(20 is had at left and right sides of pressure-bearing body (5) lower part)；It pushes nut (7) outer surface and is installed with pressure-bearing pedestal
(6), pressure-bearing pedestal (6) lower part pushes nut (7) and is threadedly coupled standby cap (10)；Pressure-bearing pedestal (6) two sides pass through double end spiral shell respectively
It tethers and connects push strut (2), two sides push strut (2) connects tie-bar bar (3) one end by stud respectively；Tie-bar bar (3) is close
The other end of pressure-bearing lead screw (1) is connect by stud with the upper hole of triangular base (4), and triangular base (4) lower-left side opening is logical
It crosses stud to connect with pulling-on piece (8), triangular base (4) bottom right side opening connects pressure-bearing body (5) upper hole A by straight pin (13)
(19)；Pulling-on piece (8) lower part is connect by stud with connector (9), and connector (9) lower thread connects drag hook (16), and connection is drawn
Piece (8) and the stud of connector (9) pass through the hole B(20 of pressure-bearing body (5) lower part)；Straight pin (13) passes through triangular base (4)
It with the hole A(19 on pressure-bearing body (5)), rotate clockwise triangular base (4) can around the hole on pressure-bearing body (5).
2. Manual mechanical according to claim 1 is common-the dual-purpose drawbench of reinforcement, it is characterised in that: the two sides push away
Compression bar (2), two tie-bar bars (3), triangular base (4) pressure-bearing body (5), pulling-on piece (8), connector (9), drag hook (16) connect and compose four
Connecting rod effort-saving mechanism.
3. Manual mechanical according to claim 1 or 2 is common-the dual-purpose drawbench of reinforcement, it is characterised in that: tie-bar bar
(3) the end point lower part connecting with push strut (2) is connected with spring (17) by connecting rod.
4. Manual mechanical according to claim 1 is common-the dual-purpose drawbench of reinforcement, it is characterised in that: the pressure-bearing base
Gasket is respectively provided between standby cap (10) at the top of seat (6) upper and lower side and pushing nut (7).
5. Manual mechanical according to claim 1 is common-the dual-purpose drawbench of reinforcement, it is characterised in that: the tie-bar bar
It (3) is the metal material of elastically deformable.
6. Manual mechanical according to claim 1 or 2 is common-the dual-purpose drawbench of reinforcement, it is characterised in that: push strut
(2), tie-bar bar (3) is equipped with gasket between stud respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457196.XA CN110202521B (en) | 2019-05-29 | 2019-05-29 | Manual mechanical common-reinforcement dual-purpose puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457196.XA CN110202521B (en) | 2019-05-29 | 2019-05-29 | Manual mechanical common-reinforcement dual-purpose puller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202521A true CN110202521A (en) | 2019-09-06 |
| CN110202521B CN110202521B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910457196.XA Active CN110202521B (en) | 2019-05-29 | 2019-05-29 | Manual mechanical common-reinforcement dual-purpose puller |
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| CN (1) | CN110202521B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114012666A (en) * | 2021-11-22 | 2022-02-08 | 贵州电网有限责任公司 | Screw accessory locking and mounting device |
| CN114516023A (en) * | 2021-12-08 | 2022-05-20 | 电子科技大学长三角研究院(湖州) | Special mounting device for bicycle supporting leg spring |
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|---|---|---|---|---|
| US1470310A (en) * | 1922-06-28 | 1923-10-09 | Ernest E Winchell | Wheel and gear remover |
| GB370794A (en) * | 1931-08-24 | 1932-04-14 | Max Schaefer | Improvements in or relating to wheel pullers and the like tools |
| US2681501A (en) * | 1950-04-20 | 1954-06-22 | Schrem Albert | Device for removing articles from their supports |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114012666A (en) * | 2021-11-22 | 2022-02-08 | 贵州电网有限责任公司 | Screw accessory locking and mounting device |
| CN114012666B (en) * | 2021-11-22 | 2023-10-10 | 贵州电网有限责任公司 | Screw accessory locking and mounting device |
| CN114516023A (en) * | 2021-12-08 | 2022-05-20 | 电子科技大学长三角研究院(湖州) | Special mounting device for bicycle supporting leg spring |
| CN114516023B (en) * | 2021-12-08 | 2023-08-22 | 电子科技大学长三角研究院(湖州) | Special installation device of bicycle supporting leg spring |
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| CN110202521B (en) | 2021-06-18 |
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Effective date of registration: 20211221 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: PetroChina Company Limited Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Patentee before: Daqing Oilfield Co.,Ltd. |
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