CN209444289U - Flat plug-in drill rod joint attachment device in universal stress - Google Patents
Flat plug-in drill rod joint attachment device in universal stress Download PDFInfo
- Publication number
- CN209444289U CN209444289U CN201920169355.1U CN201920169355U CN209444289U CN 209444289 U CN209444289 U CN 209444289U CN 201920169355 U CN201920169355 U CN 201920169355U CN 209444289 U CN209444289 U CN 209444289U
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- power transmission
- connecting rod
- special
- shaped power
- transmission insert
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- 230000005540 biological transmission Effects 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
Flat plug-in drill rod joint attachment device in universal stress, is related to rod piece interconnection technique field, for coaxially connected to connecting rod one and to connecting rod two, is made of special-shaped power transmission insert and Self-resetting block mechanism;Special-shaped power transmission insert be embedded in connecting rod one and the recess region to match with its shape to be formed between connecting rod two in the two is connected, Self-resetting block mechanism fixes special-shaped power transmission insert;The utility model is applied widely, can repeated disassembled and assembled and convenient disassembly;It is forward and reverse to transmit larger axle power and torque, guarantee that two axial workpieces connect reliably in any movement;Hollow shaft type parts can not change the inside and outside wall diameter of two connectors when connecting;During transmitting torque, stress is decomposed by special-shaped power transmission insert and arrangement mode, unstressed concentration;Procedure of processing is less, is not influenced by ambient temperature, humidity, the rod piece bindiny mechanism that can be used under complex environment and method.
Description
Technical field
The utility model relates to rod piece interconnection technique field, in particular to flat plug-in drill rod joint in a kind of universal stress
Attachment device.
Background technique
The connection structure problem of many mechanical rod pieces including the drilling rod in drilling engineering is industrial design and production
In a common and important problem.Existing connection type each has the shortcomings that limitation that is certain and using.Such as screw
Connection is not suitable for the part with irregular surface, and the size selection of screw may interfere mechanical structure, occupy wall thickness compared with
Greatly;It is limited that external force is born when riveting is fixed, and there may be mechanical deformations for inside and outside wall when for the connection of hollow class part;Screw thread
Connection can only bear one direction torque, unbearable opposing torque;Grab connection increases the script size of part;Welding may
Temperature distortion is generated after thin wall component can be made to preheat, and non-dismountable;It is smaller that splicing can bear external force, and by temperature humidity
It is affected;Expanded joint should not accurately control expanded joint torque, and excessive inboard wall stress can aggravate stress corrosion inclination, or even generate tired
Labor delamination;Pin joint is unsuitable or the unbearable external force etc. perpendicular to key direction.
Therefore, it is directed to the connection type status of the mechanical rod piece such as current drilling rod, needs a kind of new technical solution solution
The certainly above problem.
Utility model content
The purpose of this utility model is the disadvantage being directed to above-mentioned existing connection method respectively and uses limitation, provides one
Flat plug-in drill rod joint attachment device in kind universal stress, applied widely, the shortcomings that overcoming most existing connection types,
And process for machining and manufacturing is few, connection is reliable.
It is specific the utility model adopts the following technical solutions: flat plug-in drill rod joint attachment device in universal stress,
The attachment device is for coaxially connected to connecting rod one and to connecting rod two, it is characterised in that: it is inlayed by special-shaped power transmission
Block and Self-resetting block mechanism composition;
The lower outside to connecting rod one offers limit card slot one, and the lower inside to connecting rod one opens up
Fluted one, and to be located at the shape of line of demarcation above section identical for the concave shape of groove one and special-shaped power transmission insert, described point
Boundary line is to connecting rod one and to two junction of connecting rod;
The shape of the abnormity power transmission insert is narrow in the wide centre in both ends, and special-shaped power transmission insert is embedded in one He of connecting rod
In the recess region formed to connecting rod two, which is made of groove one and groove two, and special-shaped power transmission insert is located at
Line of demarcation above section is arranged in the groove one to connecting rod one, and special-shaped power transmission insert is located at line of demarcation or less and is partially arranged
In the groove two to connecting rod two;
The Self-resetting block mechanism includes block and reset spring, and reset spring is placed in limit card slot two, resets bullet
The top of spring is provided with block, and lower part a part of block is placed in limit card slot two, and top a part of block is placed in limit
In card slot one, block top is equipped with coarse section;
The top to connecting rod two passes through special-shaped power transmission insert and the cooperation of Self-resetting block mechanism and to connecting rod
Part one is coaxially connected, and the upper outside to connecting rod two offers limit card slot two, and the upper inner to connecting rod two is set
It is equipped with groove two, and with special-shaped power transmission insert to be located at line of demarcation or less the shape of part identical for the concave shape of groove two.
The shape of the abnormity power transmission insert is I-shaped.
The abnormity power transmission insert is the blocks that two trapezoidal short sides are overlapped composition.
The shape of the abnormity power transmission insert is hyperbolic-type.
Through the above design, the utility model can be brought the following benefits: the utility model is suitable for having one
Any axial workpiece connection for determining the positive and negative axial and circumferential stress of thickness, can repeated disassembled and assembled and convenient disassembly;It is forward and reverse
Larger axle power and torque are transmitted, guarantees that two axial workpieces connect reliably in any movement;Hollow shaft type parts can not when connecting
Change the inside and outside wall diameter of two connectors;During transmitting torque, by special-shaped power transmission insert and arrangement mode to by
Power is decomposed, unstressed concentration;Procedure of processing is less, is not influenced by ambient temperature, humidity, can use under complex environment.
Detailed description of the invention
Fig. 1 is the structure sectional view of flat plug-in drill rod joint attachment device in the universal stress of the utility model.
Fig. 2 is the partial enlarged view of Fig. 1.
Fig. 3 is the applicable cylindrical rod piece schematic diagram of the utility model.
Fig. 4 is the applicable square rod schematic representation of the utility model.
Fig. 5 is the applicable hexagon rod schematic representation of the utility model.
Fig. 6 is the schematic diagram one of special-shaped power transmission insert structure and existence in the utility model embodiment 1.
Fig. 7 is the schematic diagram two of special-shaped power transmission insert structure and existence in the utility model embodiment 1.
Fig. 8 is the schematic diagram of special-shaped power transmission insert structure and existence in the utility model embodiment 2.
Fig. 9 is the schematic diagram of special-shaped power transmission insert structure and existence in the utility model embodiment 3.
Respectively mark in figure as follows: 1- waits for that connecting rod one, 2- abnormity power transmission insert, 3- Self-resetting block mechanism, 4- wait connecting
Extension bar part two, 11- groove one, 12- limit card slot one, 31- block, 32- reset spring, coarse section of 33-, 41- groove two, 42-
Limit card slot two.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.It will be appreciated by those skilled in the art that specifically described content is illustrative and be not restrictive below, no
It should limit the protection scope of the present invention.
Please refer to Fig. 1 and Fig. 2, the utility model proposes universal stress in flat plug-in drill rod joint attachment device, use
In coaxially connected to connecting rod 1 and to connecting rod 24, by special-shaped power transmission insert 2 and 3 groups of Self-resetting block mechanism
At;Special-shaped power transmission insert 2 is embedded in connecting rod 1 and to matching with its shape of being formed between connecting rod 24
The two is connected in recess region, 3 pairs of Self-resetting block mechanism special-shaped power transmission inserts 2 fix;
The lower outside to connecting rod 1 offers limit card slot 1, the lower inside to connecting rod 1
Fluted 1 are opened up, and the concave shape of groove 1 is located at the shape phase of line of demarcation above section with special-shaped power transmission insert 2
Together, the line of demarcation is to connecting rod 1 and to 24 junction of connecting rod;
The abnormity power transmission insert 2 is embedded in connecting rod 1 and the recess region to be formed between connecting rod 24
It is interior, using to connecting rod 1 and to 24 junction of connecting rod, as line of demarcation, i.e. center line A-A, special-shaped power transmission insert 2 is located at
Center line A-A above section is arranged in the groove 1 of connecting rod 1, and special-shaped power transmission insert 2 is located at center line A-A or less
Part is arranged in the groove 2 41 to connecting rod 24;
The Self-resetting block mechanism 3 includes block 31 and reset spring 32, and reset spring 32 is placed on to connecting rod
In the limit card slot 2 42 on 24 top of part, the top of reset spring 32 is placed with block 31, and lower part a part of block 31 is placed in
In limit card slot 2 42, top a part of block 31 is placed in limit card slot 1, and 31 top of block is equipped with coarse section 33;
The top to connecting rod 24 pass through special-shaped power transmission insert 2 and the cooperation of Self-resetting block mechanism 3 with wait connect
Rod piece 1 is coaxially connected, and the upper outside to connecting rod 24 offers limit card slot 2 42, the top to connecting rod 24
Inside opens up fluted 2 41, and the concave shape of groove 2 41 and special-shaped power transmission insert 2 are located at the shape of line of demarcation or less part
Shape is identical.
Flat plug-in drill rod joint attachment device in the universal stress could be applicable in addition to being suitable for drilling rod
All any axial workpieces with certain thickness positive and negative axial and circumferential stress such as cylindrical, square and hexagon connect
It connects, including wooden pipe, copper pipe, iron pipe, aluminium-alloy pipe and steel pipe etc..
Flat plug-in drill rod joint attachment device in the universal stress, wherein special-shaped power transmission insert 2 can be a variety of
The narrow block in the wide centre in the both ends of irregular shape can bear tension and compression up and down and torque effect simultaneously.Material therefor can for steel,
The Anti-pull-press such as hard alloy and carbon fibre composite and the good material of torsional property, preferably special-shaped 2 shape of power transmission insert are
I-shaped or hyperbolic-type, or special-shaped power transmission insert 2 are overlapped the blocks of composition for two trapezoidal short sides.
Flat plug-in drill rod joint attachment device in the universal stress, wherein when special-shaped power transmission insert 2 used may
There are when problem of stress concentration, shape as shown in Figure 6 and Figure 7 should press the position center line A-A and carry out difference arrangement, make adjacent different
Difference is answered in the position center line A-A of shape power transmission insert 2, and if the side B is using abnormity power transmission insert 2 shown in Fig. 6, the side C is using shown in Fig. 7
Special-shaped power transmission insert 2;When problem of stress concentration is not present in special-shaped power transmission insert 2 used, shape as shown in Figure 8 and Figure 9 is every
Side arrangement mode is identical.
The application method of flat plug-in drill rod joint attachment device, includes the following steps: in specific universal stress
Step S1: when connection, reset spring 32 is first put into the limit card slot two being located to 24 upper outside of connecting rod
In 42, then block 31 is placed on 32 top of reset spring, presses down on block 31 until it is fully entered in limit card slot 2 42
And it remains stationary;
Step S2: it will be placed on to connecting rod 1 on connecting rod 24, to connecting rod 1 and to connecting rod two
4 is coaxial, and adjustment keeps groove 1 and groove 2 41 corresponding to one 1 direction of connecting rod, and special-shaped power transmission insert 2 is put into groove one
11 and groove 2 41 form recess region in, later discharge block 31, make its rises under the action of reset spring 32 up to
Into being located in the limit card slot 1 to one 1 lower outside of connecting rod, special-shaped power transmission insert 2 is fixed;
Step S3: when disassembly, applying downward power by coarse section of 33 pairs of blocks 31 on 31 top of block makes it to moving down
It is dynamic to be located in the limit card slot 2 42 to 24 upper outside of connecting rod until fully entering, special-shaped power transmission insert 2 is adjusted later
It is consistent with the direction of gravity downward, since its freedom degree increases, so that it is voluntarily fallen off under the effect of gravity, unload later
It is taken out to connecting rod 24, then by block 31 and reset spring 32.
Embodiment 1
It please refers to shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 7, the present embodiment is for realizing cylindrical rod piece 1 and cylindrical rod piece
24 is coaxially connected;
The lower outside of the cylindrical rod piece 1 offers limit card slot 1, the lower inside of cylindrical rod piece 1
Fluted 1 are opened up, and the concave shape of groove 1 is located at the shape phase of line of demarcation above section with special-shaped power transmission insert 2
Together, the line of demarcation is 24 junction of cylindrical rod piece 1 and cylindrical rod piece;
The abnormity power transmission insert 2 is embedded in the recess region formed between cylindrical rod piece 1 and cylindrical rod piece 24
Interior, using cylindrical rod piece 1 and 24 junction of cylindrical rod piece as line of demarcation, i.e. center line A-A, special-shaped power transmission insert 2 is located at
Center line A-A above section is arranged in the groove 1 of connecting rod 1, and special-shaped power transmission insert 2 is located at center line A-A or less
Part is arranged in the groove 2 41 of cylindrical rod piece 24;The side B of cylindrical rod piece 1 and cylindrical rod piece 24 uses Fig. 6
Shown abnormity power transmission insert 2 designs, and the side C is designed using abnormity power transmission insert 2 shown in Fig. 7;
The Self-resetting block mechanism 3 includes block 31 and reset spring 32, and reset spring 32 is placed on cylindrical bar
In the limit card slot 2 42 on 24 top of part, the top of reset spring 32 is placed with block 31, and lower part a part of block 31 is placed in
In limit card slot 2 42, top a part of block 31 is placed in limit card slot 1, and 31 top of block is equipped with coarse section 33;
The top of the cylindrical rod piece 24 passes through special-shaped power transmission insert 2 and the cooperation of Self-resetting block mechanism 3 and cylinder
Rod piece 1 is coaxially connected, and the upper outside of cylindrical rod piece 24 offers limit card slot 2 42, the top of cylindrical rod piece 24
Inside opens up fluted 2 41, and the concave shape of groove 2 41 and special-shaped power transmission insert 2 are located at the shape of line of demarcation or less part
Shape is identical.
The working principle and process of the utility model:
Step S1: when connection, reset spring 32 is first put into the limit card slot two positioned at 24 upper outside of cylindrical rod piece
In 42, then block 31 is placed on 32 top of reset spring, presses down on block 31 until it is fully entered in limit card slot 2 42
And it remains stationary;
Step S2: cylindrical rod piece 1 is placed on cylindrical rod piece 24, cylindrical rod piece 1 and cylindrical rod piece two
4 is coaxial, and adjustment one 1 direction of cylindrical rod piece keeps groove 1 and groove 2 41 corresponding, and special-shaped power transmission insert 2 is put into groove one
11 and groove 2 41 form recess region in, later discharge block 31, make its rises under the action of reset spring 32 up to
Into being located in the limit card slot 1 of one 1 lower outside of cylindrical rod piece, special-shaped power transmission insert 2 is fixed;
Step S3: when disassembly, applying downward power by coarse section of 33 pairs of blocks 31 on 31 top of block makes it to moving down
It moves until fully entering in the limit card slot 2 42 of 24 upper outside of cylindrical rod piece, the special-shaped power transmission insert 2 of adjustment later
It is consistent with the direction of gravity downward, since its freedom degree increases, so that it is voluntarily fallen off under the effect of gravity, unload later
Cylindrical rod piece 24, then block 31 and reset spring 32 are taken out.
Embodiment 2
It please refers to shown in Fig. 1, Fig. 4 and Fig. 8, the present embodiment is same for realizing square rod piece 1 and square rod piece 24
Axis connection;
The lower outside of the square rod piece 1 offers limit card slot 1, the lower inside of square rod piece 1
Fluted 1 are opened up, and the concave shape of groove 1 is located at the shape phase of line of demarcation above section with special-shaped power transmission insert 2
Together, the line of demarcation is 24 junction of square rod piece 1 and square rod piece;
The abnormity power transmission insert 2 is embedded in the recess region formed between square rod piece 1 and square rod piece 24
Interior, using square rod piece 1 and 24 junction of square rod piece as line of demarcation, i.e. center line A-A, special-shaped power transmission insert 2 is located at
Center line A-A above section is arranged in the groove 1 of connecting rod 1, and special-shaped power transmission insert 2 is located at center line A-A or less
Part is arranged in the groove 2 41 of square rod piece 24;The side B and the side C of square rod piece 1 and square rod piece 24 are equal
It is designed using the insert of abnormity power transmission shown in Fig. 82;
The Self-resetting block mechanism 3 includes block 31 and reset spring 32, and reset spring 32 is placed on square bar
In the limit card slot 2 42 on 24 top of part, the top of reset spring 32 is placed with block 31, and lower part a part of block 31 is placed in
In limit card slot 2 42, top a part of block 31 is placed in limit card slot 1, and 31 top of block is equipped with coarse section 33;
The top of the square rod piece 24 passes through special-shaped power transmission insert 2 and the cooperation of Self-resetting block mechanism 3 and square
Rod piece 1 is coaxially connected, and the upper outside of square rod piece 24 offers limit card slot 2 42, the top of square rod piece 24
Inside opens up fluted 2 41, and the concave shape of groove 2 41 and special-shaped power transmission insert 2 are located at the shape of line of demarcation or less part
Shape is identical.
The working principle and process of the utility model:
Step S1: when connection, reset spring 32 is first put into the limit card slot two positioned at 24 upper outside of square rod piece
In 42, then block 31 is placed on 32 top of reset spring, presses down on block 31 until it is fully entered in limit card slot 2 42
And it remains stationary;
Step S2: square rod piece 1 is placed on square rod piece 24, square rod piece 1 and square rod piece two
4 is coaxial, and adjustment one 1 direction of square rod piece keeps groove 1 and groove 2 41 corresponding, and special-shaped power transmission insert 2 is put into groove one
11 and groove 2 41 form recess region in, later discharge block 31, make its rises under the action of reset spring 32 up to
Into being located in the limit card slot 1 of one 1 lower outside of square rod piece, special-shaped power transmission insert 2 is fixed;
Step S3: when disassembly, applying downward power by coarse section of 33 pairs of blocks 31 on 31 top of block makes it to moving down
It moves until fully entering in the limit card slot 2 42 of 24 upper outside of square rod piece, the special-shaped power transmission insert 2 of adjustment later
It is consistent with the direction of gravity downward, since its freedom degree increases, so that it is voluntarily fallen off under the effect of gravity, unload later
Square rod piece 24, then block 31 and reset spring 32 are taken out.
Embodiment 3
It please refers to shown in Fig. 1, Fig. 5 and Fig. 9, the present embodiment is same for realizing hexagon rod piece 1 and hexagon rod piece 24
Axis connection;
The lower outside of the hexagon rod piece 1 offers limit card slot 1, the lower inside of hexagon rod piece 1
Fluted 1 are opened up, and the concave shape of groove 1 is located at the shape phase of line of demarcation above section with special-shaped power transmission insert 2
Together, the line of demarcation is 24 junction of hexagon rod piece 1 and hexagon rod piece;
The abnormity power transmission insert 2 is embedded in the recess region formed between hexagon rod piece 1 and hexagon rod piece 24
Interior, using hexagon rod piece 1 and 24 junction of hexagon rod piece as line of demarcation, i.e. center line A-A, special-shaped power transmission insert 2 is located at
Center line A-A above section is arranged in the groove 1 of connecting rod 1, and special-shaped power transmission insert 2 is located at center line A-A or less
Part is arranged in the groove 2 41 of hexagon rod piece 24;The side B and the side C of hexagon rod piece 1 and hexagon rod piece 24 are equal
It is designed using the insert of abnormity power transmission shown in Fig. 92;
The Self-resetting block mechanism 3 includes block 31 and reset spring 32, and reset spring 32 is placed on hexagon bar
In the limit card slot 2 42 on 24 top of part, the top of reset spring 32 is placed with block 31, and lower part a part of block 31 is placed in
In limit card slot 2 42, top a part of block 31 is placed in limit card slot 1, and 31 top of block is equipped with coarse section 33;
The top of the hexagon rod piece 24 passes through special-shaped power transmission insert 2 and the cooperation of Self-resetting block mechanism 3 and hexagon
Rod piece 1 is coaxially connected, and the upper outside of hexagon rod piece 24 offers limit card slot 2 42, the top of hexagon rod piece 24
Inside opens up fluted 2 41, and the concave shape of groove 2 41 and special-shaped power transmission insert 2 are located at the shape of line of demarcation or less part
Shape is identical.
The working principle and process of the utility model:
Step S1: when connection, reset spring 32 is first put into the limit card slot two positioned at 24 upper outside of hexagon rod piece
In 42, then block 31 is placed on 32 top of reset spring, presses down on block 31 until it is fully entered in limit card slot 2 42
And it remains stationary;
Step S2: hexagon rod piece 1 is placed on hexagon rod piece 24, hexagon rod piece 1 and hexagon rod piece two
4 is coaxial, and adjustment one 1 direction of hexagon rod piece keeps groove 1 and groove 2 41 corresponding, and special-shaped power transmission insert 2 is put into groove one
11 and groove 2 41 form recess region in, later discharge block 31, make its rises under the action of reset spring 32 up to
Into being located in the limit card slot 1 of one 1 lower outside of hexagon rod piece, special-shaped power transmission insert 2 is fixed;
Step S3: when disassembly, applying downward power by coarse section of 33 pairs of blocks 31 on 31 top of block makes it to moving down
It moves until fully entering in the limit card slot 2 42 of 24 upper outside of hexagon rod piece, the special-shaped power transmission insert 2 of adjustment later
It is consistent with the direction of gravity downward, since its freedom degree increases, so that it is voluntarily fallen off under the effect of gravity, unload later
Hexagon rod piece 24, then block 31 and reset spring 32 are taken out.
Claims (4)
1. flat plug-in drill rod joint attachment device in universal stress, the attachment device is for coaxially connected to connecting rod one
(1) and to connecting rod two (4), it is characterised in that: it is made of special-shaped power transmission insert (2) and Self-resetting block mechanism (3);
The lower outside to connecting rod one (1) offers limit card slot one (12), in the lower part to connecting rod one (1)
Side opens up fluted one (11), and the concave shape of groove one (11) and special-shaped power transmission insert (2) are located at line of demarcation above section
Shape it is identical, the line of demarcation be to connecting rod one (1) and to connecting rod two (4) junction;
The shape of the abnormity power transmission insert (2) is narrow in the wide centre in both ends, and special-shaped power transmission insert (2) is embedded in connecting rod one
(1) and to connecting rod two (4) in the recess region formed, which is made of groove one (11) and groove two (41),
Special-shaped power transmission insert (2) is located at line of demarcation above section and is arranged in the groove one (11) to connecting rod one (1), special-shaped power transmission
Insert (2) is located at line of demarcation or less and is partially arranged in the groove two (41) to connecting rod two (4);
The Self-resetting block mechanism (3) includes block (31) and reset spring (32), and reset spring (32) is placed in limit card slot
In two (42), the top of reset spring (32) is provided with block (31), and lower part a part of block (31) is placed in limit card slot two
(42) in, top a part of block (31) is placed in limit card slot one (12), and block (31) top is equipped with coarse section (33);
The top to connecting rod two (4) passes through special-shaped power transmission insert (2) and Self-resetting block mechanism (3) cooperation and to even
Extension bar part one (1) is coaxially connected, and the upper outside to connecting rod two (4) offers limit card slot two (42), to connecting rod
The upper inner of two (4) is arranged fluted two (41), and the concave shape of groove two (41) and special-shaped power transmission insert (2) are located at point
The shape of part below boundary line is identical.
2. flat plug-in drill rod joint attachment device, feature are being in universal stress according to claim 1: described
The shape of special-shaped power transmission insert (2) is I-shaped.
3. flat plug-in drill rod joint attachment device, feature are being in universal stress according to claim 1: described
Special-shaped power transmission insert (2) is the blocks that two trapezoidal short sides are overlapped composition.
4. flat plug-in drill rod joint attachment device, feature are being in universal stress according to claim 1: described
The shape of special-shaped power transmission insert (2) is hyperbolic-type.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920169355.1U CN209444289U (en) | 2019-01-31 | 2019-01-31 | Flat plug-in drill rod joint attachment device in universal stress |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920169355.1U CN209444289U (en) | 2019-01-31 | 2019-01-31 | Flat plug-in drill rod joint attachment device in universal stress |
Publications (1)
Publication Number | Publication Date |
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CN209444289U true CN209444289U (en) | 2019-09-27 |
Family
ID=68033114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920169355.1U Withdrawn - After Issue CN209444289U (en) | 2019-01-31 | 2019-01-31 | Flat plug-in drill rod joint attachment device in universal stress |
Country Status (1)
Country | Link |
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CN (1) | CN209444289U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109611034A (en) * | 2019-01-31 | 2019-04-12 | 吉林大学 | Flat plug-in drill rod joint attachment device and its application method in universal stress |
-
2019
- 2019-01-31 CN CN201920169355.1U patent/CN209444289U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109611034A (en) * | 2019-01-31 | 2019-04-12 | 吉林大学 | Flat plug-in drill rod joint attachment device and its application method in universal stress |
CN109611034B (en) * | 2019-01-31 | 2023-12-19 | 吉林大学 | Universal stress internal flat plug-in type drill rod joint connecting device and use method thereof |
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