CN107570763A - A kind of position limit device - Google Patents
A kind of position limit device Download PDFInfo
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- CN107570763A CN107570763A CN201711102194.6A CN201711102194A CN107570763A CN 107570763 A CN107570763 A CN 107570763A CN 201711102194 A CN201711102194 A CN 201711102194A CN 107570763 A CN107570763 A CN 107570763A
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- shaped groove
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- upper limit
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- 239000004020 conductor Substances 0.000 claims abstract description 44
- 230000006641 stabilisation Effects 0.000 claims abstract description 6
- 238000011105 stabilization Methods 0.000 claims abstract description 6
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 20
- 238000009434 installation Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
A kind of position limit device, suitable for a kind of processing unit (plant) for connecting conductor, including block, upper limit plate, V-shaped groove；Described block is arranged on stand, is fixedly connected with stand, and its connected mode is that locking element and setting element combine, and can ensure that the relative position stabilization of block and stand does not change；The mounting hole of locking element and setting element is provided with block, the position of its mounting hole is on the another side relative with the position of V-shaped groove；Described upper limit plate is arranged on the top of V-shaped groove；Described V-shaped groove is arranged on the bottom of upper limit plate, and positioned at the one side of block, having can be accurately positioned and lock connection conductor, the characteristics of aiding in improving machining accuracy.
Description
Technical field
The invention belongs to high voltage power transmission and transforming field, the processing of more particularly to a kind of connection conductor on primary cut-out
The position limit device of device.
Background technology
Primary cut-out, which is that the one kind for switching circuit connected mode commonly used in high voltage power transmission and transforming circuit is conventional, to be set
It is standby；, it is necessary to multiple connection conductors for being connected with each other different circuits, these connection conductors, due to high pressure in primary cut-out
The structure design of breaker needs, and often its shape and structure will match with whole primary cut-out；These connection conductors, greatly
Manufactured more using copper, aluminum metal, on the one hand to transmit larger electric current, on the other hand need itself to have certain intensity and just again
Degree and machining accuracy；It is a kind of structural representation of conventional connection conductor such as Fig. 1, including lower terminal, connecting rod, locking
Hole, upper terminal, upper connecting hole；Its lower end is connected with a conducting wire, and upper end is connected with a conducting wire, because structure needs
Want, the connecting hole of its upper end needs the terminal grafting with conducting wire, and uses bolt in locking hole by upper terminal and conduction
The terminal of circuit tightens together；High additionally, due to the voltage of its transmission, electric current is big, it is desirable to and the contact of each contact surface is good,
Avoid producing spark；Therefore need to be processed upper connecting hole and locking hole, because this linking conductor shape is lack of standardization, do not have
Positioning datum is matched with lathe, therefore the processing in the two holes is compared and is difficult to, using its processing cost of large-scale synthesis lathe
Height, efficiency is low, and precision can not ensure.
The content of the invention
For problem present in existing connection conductor hole machined, the present invention proposes a kind of processing dress for connecting conductor
Put, it is characterised in that：Including base, lower template, stand, cope plate, lower positioning and locking device, upper positioner；Described bottom
Seat is arranged on the bottom of stand, vertical with stand；The fixed element matched with platen is provided with described base；Institute
The fixed element stated is hole either breach；Described lower template is arranged on a side of stand, and its plane and stand are perpendicular；
Described lower template includes lower template body, guide sleeve, limit element；Described lower template body is plate body, and one end is with standing
Seat is fixedly connected, and its connected mode has tightening member simultaneously and has setting element, can keep the relative position of lower template and stand
Put stabilization；The hole of installation guide sleeve and the hole of installation limit element are provided with described lower template body；Described installation is oriented to
The position in the hole of set is identical with the position of its locking hole after connection conductor installation.
Described guide sleeve is arranged on lower template body, and interference fits set is used with the guide sleeve mounting hole on lower template body
Connect；Including sleeve, flange, breach；Described sleeve is hollow cylinder, its internal diameter and the locking hole on processing connection conductor
Bit diameter is identical, and its external diameter is identical with the installation bore dia on lower template body, and the side of interference fits is used with this mounting hole
In formula press-in hole；Described flange is arranged on sleeve one end, and it is vertical with excircle of sleeve post with the end face of sleeve connection；It is described
Flange overall diameter be more than more than 5 millimeters of the external diameter of sleeve；Described breach is arranged on the edge of flange, is semicircular indentations,
Its center of circle is located on the excircle of flange；Described breach runs through the thickness of flange.
Described limit element is arranged on lower template body and overlapped with the breach on guide sleeve, is screw or pin.
Described stand is arranged on base, is fixedly connected with base, and vertical with base.
Described cope plate is arranged on stand upper end, is fixedly connected with stand, and its connected mode is using tightening member and determines
Bit unit combines, and can ensure that the relative position stabilization of cope plate and stand does not change.
Described cope plate includes cope plate body, guide sleeve, limit element；Described cope plate body is platy structure, its
One end is fixedly connected with stand；Guide sleeve mounting hole and limit element mounting hole are provided with described cope plate body；It is oriented to
The upper connection hole site that the position of set mounting hole and connection conductor needs are processed is identical；Described guide sleeve and limit element and institute
The guide sleeve in lower template stated is identical with limit element structure, guide sleeve size and the upper connecting hole size phase for being connected conductor
Match somebody with somebody.
Described lower positioning and locking device is arranged on base, is contacted with connecting the lower surface of lower terminal of conductor, can
The position of positioning and locking connection conductor on this processing unit (plant).
Described lower positioning and locking device includes movable wedge, spacer pin, fixed seat, tie down screw；Described movable wedge
Block is arranged on base, and with being bonded above base, two gib blocks of its both sides and fixed seat coordinate, can be along two for its bottom surface
Individual gib block does branch line motion, and its afterbody is connected with tie down screw, can be taken exercises under the traction of tie down screw；Described limit
Position pin is arranged in movable wedge, corresponding with the end position of tie down screw；Described fixed seat is arranged on base, the bottom of with
Seat is fixedly connected；Described tie down screw is arranged in fixed seat, can be rotated in fixed seat and is axially moved so as to realize.
Described movable wedge includes inclined-plane, end face, towing pad, bottom surface, pin-and-hole, side；Described inclined-plane and bottom surface one
End is associated with certain angle again, and the size of its angle is with being connected conductor terminal bottom surface and the angle phase of upper terminal end face up and down
Together；Described end face is arranged on the other end on bottom surface and inclined-plane, with plane perpendicular；Described towing pad is arranged on end face, position
In on the cross central line of end face, the end construction of its depth and tie down screw matches；Described bottom surface is arranged on end face and side
The bottom in face, one end overlap with the one end on inclined-plane, and the other end is vertical with end face；Described pin-and-hole is arranged on side, through two
Individual side, its position are corresponding with the position after the annular groove insertion towing pad of tie down screw end；Described side is positioned at oblique
Between face and bottom surface, and it is vertical with bottom surface and inclined-plane respectively；Described side has two, and two sides are parallel to each other, its shape
For triangle.
Described fixed seat includes fixed charge method end plate, connecting hole, gib block, tie down screw mounting hole；Described fixed charge method end plate
Installed in the end of base, it is fixedly connected with base；Described connecting hole is arranged on the bottom of fixed charge method end plate, is slotted hole, energy
Enough adjust the relative position of fixed charge method end plate and base；Described gib block is arranged on the one side of fixed charge method end plate, with fixed charge method end plate
Side it is vertical；Described gib block has two, and its medial surface is parallel to each other, two side spacing of its width and movable wedge
From identical；Described tie down screw mounting hole is arranged on fixed charge method end plate, and passes through the thickness of fixed charge method end plate, is screwed hole, its
The specification of screw thread is Standard fine thread, and matched with the external screw thread on tie down screw.
Described tie down screw includes handle, outer end, screw rod, stopper slot, leading section；Described handle is cylindrical bar
Shape body, it is vertical with the axis of outer end in the hole of outer end, can be movable in mounting hole；Described outer end is set
It is concentric with screw axis in screw rod one end, it is provided with vertical with axis and is overlapped with Axis Cross, the diameter and hand in its hole
The diameter of handle matches；Described screw rod is arranged on one end of outer end, and with outer end coaxial line, its excircle is provided with outer spiral shell
Line, described external screw thread be Standard fine thread, its specification and size with it is interior on the tie down screw mounting hole on fixed charge method end plate
Screw thread matches；Described stopper slot is arranged on the other end relative with outer end of screw rod, is annular groove, and its groover rot diameter is small
In the diameter of screw rod, its width is more than the diameter of spacer pin, coaxial with screw rod axial line；Described leading section is arranged on stopper slot
Outer end, and stopper slot coaxial line, its diameter is less than or equal to the diameter of screw rod, and its end is hemispherical.
Described position limit device includes block, upper limit plate, V-shaped groove；Described block is arranged on stand, with stand
It is fixedly connected, its connected mode is that locking element and setting element combine, and can ensure that the relative position of block and stand is stable
Do not change；The mounting hole of locking element and setting element is provided with block, the position of its mounting hole is the position phase with V-shaped groove
To another side on；Described upper limit plate is arranged on the top of V-shaped groove, is fixedly connected with block, and by the upper end of V-shaped groove
Mouth closing, its lower surface are vertical with two faces of V-shaped groove；Described V-shaped groove is arranged on the bottom of upper limit plate, positioned at block
One side, the angle of its V-shaped groove is 120 °, and its height is less than the length of connection conductor upper terminal, and its depth is less than connection conductor
The a quarter of upper terminal diameter.
Beneficial effect
The beneficial effects of the present invention are, the processing that hole on conductor is connected on regular drills bed can be realized, it is simple in construction,
Easy to operate, machining accuracy is high, and operating efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation for connecting conductor
A. lower terminal, B. connecting rods, C. locking holes, D. upper terminals, the upper connecting holes of E..
Fig. 2 is the structural representation for connecting conductor processing unit (plant)
1. base, 2. stands, 3. lower templates, 4. cope plates, 5. times positioning and locking devices, 6. connection conductors.
Fig. 3 is the structural representation at another visual angle for connecting conductor processing unit (plant)
1. base, 2. stands, 3. lower templates, 4. cope plates, 5. times positioning and locking devices, 6. connection conductors, 7. position limit devices.
Fig. 4 is the structural representation of lower template
31. lower template body, 32. guide sleeves, 33. limit elements.
Fig. 5 is the structural representation of guide sleeve
321. sleeves, 322. flanges, 323. breach.
Fig. 6 is the structural representation of lower positioning and locking device
51. movable wedge, 52. spacer pins, 53. fixed seats, 54. tie down screws.
Fig. 7 is the structural representation of movable wedge
511. inclined-planes, 512. end faces, 513. towing pads, 514. bottom surfaces, 515. pin-and-holes, 516. sides.
Fig. 8 is the structural representation of fixed seat
531. fixed charge method end plates, 532. connecting holes, 533. gib blocks, 534. tie down screw mounting holes.
Fig. 9 is the structural representation of tie down screw
541. handles, 542. outer ends, 543. screw rods, 544. stopper slots, 545. leading sections.
Figure 10 is the structural representation of position limit device
71. block, 72. upper limit plates, 73.V shape grooves.
Embodiment
In order to better illustrate technical scheme, in conjunction with accompanying drawing, the specific implementation of the present invention is further illustrated
Mode；Such as Fig. 1, a diameter of 30 millimeters of the locking hole C for the connection conductor 6 selected in this example, upper connecting hole E a diameter of 50 milli
Exemplified by rice；
Such as Fig. 2, Fig. 3, from 400 millimeters of the length of base 1,200 millimeters of width, 30 millimeters of thickness, and stand 2 is installed in
Bottom, it is vertical with stand 2, be connected by the way of welding with stand 2；It is provided with base 1 and is matched with platen
Breach is as fixed element, and machining tool is using the general drilling machine of the industry；From steel plate as stand 2 in this example.
Such as Fig. 5, in this example by the way of repeatedly processing, because connection conductor 6 uses aluminium or copper, its hardness mostly
It is low, if be directly processed using big drill bit, workpiece is easily damaged, therefore, the guide sleeve of multiple specifications is selected in this example
32, classification processing, the external diameter from sleeve 321 is 60 millimeters, 40 millimeters of height, is so advantageous to generalization, endoporus is respectively
10 millimeters, 20 millimeters, 32 millimeters, processing can be so classified, reduces processing capacity once, is advantageous to protective bonding conductor 6；Choosing
It it is 90 millimeters with the external diameter of flange 322, breach 323 and is arranged to semicircle by 8 millimeters of thickness by a diameter of 10 millimeters of breach 323
Shape, its center of circle are located in the outer circumferential edges of flange 322, and this completes the implementation of guide sleeve 32；So be advantageous to drill bit
It is oriented to so that the hole processed is not in that deflection and diameter deviation are excessive, ensure that machining accuracy.
From lower template body 31 it is plate body in this example, one end is fixedly connected with stand 2, and its connected mode has tightly such as Fig. 4
Gu element has setting element again simultaneously, lower template 3 and the relative position of stand 2 can be kept stable；Set on lower template body 31
It is equipped with the hole of installation guide sleeve 32 and the hole of installation limit element 33；Ensure the position in the hole of installation guide sleeve 32 with being connected conductor
Its locking hole C position is identical after 6 installations；It is screw from limit element 33, is directed to set 32 and is arranged on lower template body
On 31, and limit element 33 is arranged on lower template body 31 and overlapped with the breach 323 on guide sleeve 32, just complete lower mould
The implementation of plate 3.
Selected in this example with the identical structure of lower template 3 as cope plate 4, the wherein external diameter of guide sleeve is 60 millimeters, interior
Footpath is respectively 10 millimeters, 25 millimeters, 35 millimeters, 50 millimeters, is processed stage by stage；By the cope plate body of cope plate 4, it is oriented to
Set, limit element, is installed according to the mounting means of lower template 3, ensures the position of its guide sleeve mounting hole with being connected conductor 6
Need the upper connecting hole E positions that process identical；Just complete the implementation of cope plate 4.
Such as Fig. 7, material of the steel material as movable wedge 51 is selected in this example, by inclined-plane 511 and the one end of bottom surface 514 weight
Be associated with certain angle, selected in this example with connection conductor about 6 terminal A bottom surfaces it is identical with the angle of upper terminal D end faces
For 42 °；End face 512 is arranged on to the other end on bottom surface 514 and inclined-plane 511, it is vertical with bottom surface 514；Towing pad 513 is arranged on
On end face 512, on the cross central line of end face 512, the depth in this example from towing pad 513 is 20 millimeters, the milli of diameter 14
Rice；Bottom surface 514 is arranged on to the bottom of end face 512 and side 516, one end overlaps with the one end on inclined-plane 511, the other end and end face
512 is vertical；Pin-and-hole 515 is arranged on side 516, perpendicular to side 516 and runs through two sides 516, its place-centric away from
From with a distance from end face 512 be 10 millimeters, a diameter of 5 millimeters；In this example by side 516 between inclined-plane 511 and bottom surface 514,
It is and vertical with bottom surface 514 and inclined-plane 511 respectively；Side 516 has two to be parallel to each other, and it is shaped as triangle, thus completes
The implementation of movable wedge 51.
Such as Fig. 8, fixed charge method end plate 531 is used as from steel plate in this example, by fixed charge method end plate 531 installed in the end of base 1, with
Base 1 is fixedly connected；Connecting hole 532 is arranged on to the bottom of fixed charge method end plate 531, there is two or more, is slotted hole, so can
The relative position of fixed charge method end plate 531 and base 1 is adjusted, to ensure that movable wedge 51 can be complete with lower terminal A lower end plane
Fitting；Be used as gib block 533 from square steel in this example, there is two, by two gib blocks 533 installed in fixed charge method end plate 531 with
The identical one side of movable wedge 51, vertical with the side of fixed charge method end plate 531, two medial surface is parallel to each other, two inner sides
Distance is identical between width and two sides 516 of movable wedge 51 between face, to ensure that movable wedge 51 can be in two gib blocks
533 inside are for linear motion；Tie down screw mounting hole 534 is arranged on fixed charge method end plate 531, and passes through fixed charge method end plate 531
Thickness, it is screwed hole, the specification of its screw thread is Standard fine thread, and M20X1.5 national standard regular screw threads are selected in this example,
This completes the implementation of fixed seat 53.
Such as Fig. 9,120 millimeters of the round steel length of 6 millimeters of diameter is selected in this example, as handle institute 541, handle 541 is pacified
It is in the hole on outer end 542 and vertical with the axis of outer end 542, can be movable in mounting hole；From outer in this example
40 millimeters of a diameter of 30 mm length of end 542, outer end 542 is arranged on the one end of screw rod 543 and is designed as with screw rod 543
One, from handle installing hole is set on outer end 542, its hole is vertical with the axis of outer end 542 and is overlapped with Axis Cross, its
A diameter of 6.5 millimeters of hole；External diameter in this example from screw rod 543 is 20 millimeters, and length is 120 millimeters, and excircle is provided with
M20X1.5 common closely-pitched external screw thread；Groover rot diameter in this example from stopper slot 544 is 14 millimeters, 8 millimeters of width, will be limited
Position groove 544 is arranged on the other end relative with outer end 542 of screw rod 543, coaxial with the axial line of screw rod 543；Selected in this example
Leading section 545 is the hemispherical of 8 millimeters of radius, and leading section 545 is arranged on to the outer end of stopper slot 544, coaxial with stopper slot 544
Line, this completes the implementation of tie down screw 54.
Such as Figure 10, block 71 is connected with stand 2, fastened using screw as block 71 from rectangular steel plates in this example
It is attached with the mode of pin positioning, can ensures that the relative position stabilization of block 71 and stand 2 does not change；On block 71
The mounting hole of locking element and setting element is set, and the position of its mounting hole is in the opposite side relative with the position of V-shaped groove 73
On face；Upper limit plate 72 is arranged on to the top of V-shaped groove 73, consolidated with block 71 as upper limit plate 72 from steel plate in this example
Fixed connection, and the upper port of V-shaped groove 73 is largely closed, its lower surface is vertical with two faces of V-shaped groove 73, ensures that connection is led
The upper terminal D of body 6 upper surface is fully bonded with it to be contacted；V-shaped groove 73 is arranged on to the bottom of upper limit plate 72, position in this example
In the one side of block 71, the angle of its V-shaped groove is 120 °, and it is 50 millimeters that its height is selected in this example, and its depth is less than connection
The a quarter of the upper terminal D diameters of conductor 6, this completes the implementation of position limit device 7.
Such as Fig. 6, movable wedge 51 is arranged on base 1, its bottom surface above base 1 with being bonded, its both sides and fixation
Two gib blocks of seat 53 coordinate, and can do branch line along inside two gib blocks and move, and its afterbody passes through limit with tie down screw 54
Position pin 52 connects, and selects the straight pin of national standard to be transported as spacer pin 52 under locking screw, 54 traction in this example
It is dynamic；Spacer pin 52 is arranged in movable wedge 51, it is corresponding with the end position of tie down screw 54, positioned at tie down screw 54
The position of stopper slot 544；Fixed seat 53 is arranged on base 1, is fixedly connected with base 1 using screw；By tie down screw 54
In fixed seat 53, it can be rotated in fixed seat 53 and realize axial movement, this completes lower positioning and locking dress
Put 5 implementation.
Such as Fig. 1, Fig. 2, lower template 3 is arranged on to a side of stand 2, its plane and stand 3 are perpendicular, and stand 2 is pacified
Dress on the base 3, is fixedly connected with base 1, and vertical with base 1, and cope plate 4 is arranged on into the upper end of stand 2, solid with stand 2
Fixed connection, its connected mode are combined using tightening member and setting element, can ensure that the relative position of cope plate and stand is steady
It is fixed not change；Lower positioning and locking device 5 is arranged on base 1, contacted with connecting the lower terminal A lower surface of conductor 6, can
The position of positioning and locking connection conductor 6 on this processing unit (plant), position limit device 7 is arranged on stand 2, solid with stand 2
Fixed connection, its connected mode are that locking element and setting element combine, and can ensure the relative position of position limit device 7 and stand 2
Put stabilization not change, this completes the General Implementing of the present invention.
Using when, by the present apparatus on Drilling machines bench it is fixed, the lower surface for connecting conductor 6 is placed on lower positioning and locking
On the inclined-plane of the movable wedge 51 of device 5, ensure connection conductor 6 upper terminal D it is vertical with base 1, upper connecting hole E position and
The guide sleeve hole center superposition of cope plate 4, upper terminal D excircle position in the V-shaped groove of position limit device 7, upper terminal D's
Upper surface is bonded with the upper limit plate 72 of position limit device 7, and turn tie down screw 54, movable wedge 51 travels forward, further
Locking connection conductor 6 starts drilling machine, and according to macropore order after first aperture, connecting hole E processing is done step-by-step；Then this is filled
Rollover is put, lower template 3 is upward, guide sleeve is changed also according to the order of macropore after first aperture, is gradually completing adding for locking hole C
Work；After machining, unclamp tie down screw 54, take out connection conductor 6, just complete this process, reinstall it is next, so
So, high in machining efficiency, precision is high, is hardly damaged connection conductor 6, ensure that connection conductor 6 is normal on primary cut-out
Work, the relative safety for realizing power transmission and transformation.
Claims (2)
1. a kind of position limit device, suitable for a kind of processing unit (plant) for connecting conductor, the processing unit (plant) bag of described connection conductor
Include base, lower template, stand, cope plate, lower positioning and locking device, upper positioner；It is characterized in that：Described upper limit dress
Put including block, upper limit plate, V-shaped groove；Described block is arranged on stand, is fixedly connected with stand, its connected mode is
Locking element and setting element combine, and can ensure that the relative position stabilization of block and stand does not change；Lock is provided with block
The mounting hole of tight element and setting element, the position of its mounting hole is on the another side relative with the position of V-shaped groove；Described
Upper limit plate is arranged on the top of V-shaped groove, is fixedly connected with block, and the upper port of V-shaped groove is closed, its lower surface and V-arrangement
Two faces of groove are vertical；Described V-shaped groove is arranged on the bottom of upper limit plate, positioned at the one side of block.
A kind of 2. position limit device according to claim 1, it is characterised in that：The angle of its V-shaped groove is 120 °, its height
Less than the length of connection conductor upper terminal, its depth is less than a quarter of connection conductor upper terminal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711102194.6A CN107570763A (en) | 2017-11-10 | 2017-11-10 | A kind of position limit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711102194.6A CN107570763A (en) | 2017-11-10 | 2017-11-10 | A kind of position limit device |
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| Publication Number | Publication Date |
|---|---|
| CN107570763A true CN107570763A (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711102194.6A Pending CN107570763A (en) | 2017-11-10 | 2017-11-10 | A kind of position limit device |
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|---|---|---|---|---|
| CN202052967U (en) * | 2011-04-01 | 2011-11-30 | 河北宣化工程机械股份有限公司 | Drilling machine clamping apparatus |
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| CN203992498U (en) * | 2014-08-20 | 2014-12-10 | 安徽理工大学 | A kind of CA6140 lathe tail-bracket boring grab |
| CN204545509U (en) * | 2015-04-30 | 2015-08-12 | 滁州学院 | Rotation template formula drill jig device |
| CN206567576U (en) * | 2017-03-24 | 2017-10-20 | 泸州远程工程机械有限公司 | The frock clamp processed beneficial to cylinder part |
| CN207606315U (en) * | 2017-11-10 | 2018-07-13 | 禹州市伟朔机械制造厂 | A kind of position limit device |
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Application publication date: 20180112 |
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