CN217992255U - Support spacing frock - Google Patents

Abstract

The utility model provides a supporting and limiting tool, which is used for supporting and limiting a first workpiece and a second workpiece which are connected in an inserting way so as to process the joint of the first workpiece and the second workpiece; support spacing frock include: a base disposed on the support base; the processing supporting part is arranged on the base and is positioned at the joint of the first workpiece and the second workpiece for supporting; the first supporting part is arranged on the base and is positioned on one side of the processing supporting part, which is far away from the second workpiece, so as to support the first workpiece; the second supporting part is arranged on the base and is positioned on one side of the processing supporting part, which is far away from the first workpiece, so as to support the second workpiece; the first supporting part is provided with a limiting structure for limiting the circumferential direction of the first workpiece so as to prevent the first workpiece from rotating, so that the problem that the shape and position accuracy of a pin hole cannot be guaranteed when the pin hole of a connecting pin is machined in a spline shaft and a ball screw connecting piece of a 550kV corner type isolating switch in the prior art is solved.

Description

Support spacing frock

Technical Field

The utility model relates to a power equipment technical field particularly, relates to a support spacing frock.

Background

GIS is an important device for ensuring the safe operation of an electric power system, and is mainly composed of electric elements such as circuit breakers, disconnectors, and buses, and usually employs compressed SF6 gas as an insulating medium.

The moving contact and the moving contact of the isolating switch are important parts of the isolating switch, and the moving contact of the isolating switch is driven by an operating mechanism to perform opening and closing actions.

In the 550kV corner type isolating switch, a ball screw mechanism is adopted to transmit torque, and the torque of an operating mechanism is transmitted to a movable contact through the ball screw mechanism, so that the linear motion of the movable contact is realized.

At present, ball mechanism comprises integral key shaft and ball, connects through the split pin, needs the pre-drilling pinhole on integral key shaft and the ball, because ball's one end is inserted and is established in the integral key shaft, the integral key shaft takes place to rotate for ball easily under the drive of drilling power when drilling to can't guarantee the shape and the position precision of the pinhole on integral key shaft and the ball.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a support spacing frock to solve among the prior art unable shape and the problem of position accuracy of guaranteeing the pinhole when processing the pinhole of connecting pin on 550kV corner type isolator's integral key shaft and ball connecting piece.

In order to achieve the above object, according to an aspect of the present invention, a supporting and limiting tool is provided for supporting and limiting a first workpiece and a second workpiece which are connected in an inserting manner, so as to process a joint of the first workpiece and the second workpiece; support spacing frock include: a base disposed on the support base; the processing supporting part is arranged on the base and is positioned at the joint of the first workpiece and the second workpiece for supporting; the first supporting part is arranged on the base and is positioned on one side of the processing supporting part, which is far away from the second workpiece, so as to support the first workpiece; the second supporting part is arranged on the base and is positioned on one side of the processing supporting part, which is far away from the first workpiece, so as to support the second workpiece; wherein, be provided with on the first supporting part and be used for carrying on spacingly in order to prevent the pivoted limit structure of first work piece to the circumference of first work piece.

Further, the processing supporting part comprises a middle vertical plate, the middle vertical plate is perpendicular to the base, and a middle supporting groove used for supporting the second workpiece is formed in the middle vertical plate.

Furthermore, the middle supporting groove is a V-shaped groove; and/or a first avoidance hole for avoiding a drill bit drilling at the joint of the first workpiece and the second workpiece is arranged on the bottom surface of the middle support groove; and/or the middle vertical plate and the base are positioned through a middle positioning pin; and/or the middle vertical plate and the base are fixedly connected through a middle fastener.

Further, the processing support portion further includes: the drill bushing is arranged above the joint of the first workpiece and the second workpiece and used for guiding a drill bit for drilling the joint of the first workpiece and the second workpiece; the top plate is arranged above the joint of the first workpiece and the second workpiece and used for installing the drill bushing; at least two side risers, the setting is between base and roof to the support roof.

Furthermore, the top plate and the side vertical plate are positioned by a top plate positioning pin; and/or the top plate is fixedly connected with the side vertical plate through a top plate fastener; and/or the side vertical plate and the base are positioned through a side positioning pin; and/or the side vertical plate and the base are fixedly connected through a side fastener.

Further, the first supporting portion comprises a first vertical plate, the first vertical plate is perpendicular to the base, a first through hole for the first workpiece to pass through or a first supporting groove for supporting the first workpiece are formed in the first vertical plate, and a limiting structure is further arranged on the first vertical plate.

Furthermore, the first vertical plate and the base are positioned through a first positioning pin; and/or the first vertical plate and the base are fixedly connected through a first fastener.

Further, the first workpiece is a spline shaft, wherein the limiting structure comprises an internal spline arranged in the first via hole or the first supporting groove, and the internal spline is used for being in insertion fit with at least part of an external spline of the spline shaft; and/or the limiting structure comprises an inserting fastener and a threaded hole used for being in threaded connection with the inserting fastener, the inserting fastener is arranged on one side of the first through hole or the first supporting groove, and one end of the inserting fastener penetrates through the threaded hole and then is inserted into the key groove of the spline shaft.

Further, the second supporting portion comprises a second vertical plate, the second vertical plate is perpendicular to the base, and a second supporting groove used for supporting a second workpiece is formed in the second vertical plate.

Further, the second support groove is a V-shaped groove; and/or the second workpiece is a lead screw, and a flexible pad used for being in contact with the lead screw is arranged on the wall surface of the second support groove close to the second workpiece; and/or the second vertical plate and the base are positioned by a second positioning pin; and/or the second vertical plate and the base are fixedly connected through a second fastener.

By applying the technical scheme of the utility model, the supporting and limiting tool of the utility model is used for supporting and limiting the first workpiece and the second workpiece which are connected in a splicing way, so as to process the joint of the first workpiece and the second workpiece; support spacing frock include: a base disposed on the support base; the processing supporting part is arranged on the base and is positioned at the joint of the first workpiece and the second workpiece for supporting; the first supporting part is arranged on the base and is positioned on one side of the processing supporting part, which is far away from the second workpiece, so as to support the first workpiece; the second supporting part is arranged on the base and is positioned on one side of the processing supporting part, which is far away from the first workpiece, so as to support the second workpiece; wherein, be provided with on the first supporting part and be used for carrying on spacingly in order to prevent the pivoted limit structure of first work piece to the circumference of first work piece. Thus, the utility model discloses a support spacing frock comes to support plug connection's first work piece and second work piece through set up processing supporting part and first supporting part and second supporting part on the base, and be used for carrying on spacingly in order to prevent that first work piece pivoted limit structure from carrying on spacingly to the circumference of first work piece through setting up on first supporting part, in order to realize fixed to first work piece, spline shaft and the ball screw of plug connection have been avoided the spline shaft to take place pivoted phenomenon for ball screw under the drive of drilling force easily when drilling, thereby the shape and the position accuracy of the pinhole that bore have been guaranteed, the problem of unable shape and the position accuracy of guaranteeing the pinhole when processing the pinhole of connecting pin on 550kV angle type isolator's spline shaft and ball screw connecting piece among the prior art has been solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic front view of an embodiment of a support and limit tool according to the present invention;

FIG. 2 showsbase:Sub>A cross-sectional view of the supporting and limiting tool shown in FIG. 1 along the A-A direction;

FIG. 3 shows a schematic view of the joining of a first workpiece and a second workpiece;

FIG. 4 illustrates a front view of the support and spacing tool of FIG. 1 with the first and second workpieces of FIG. 3 installed;

FIG. 5 shows a cross-sectional view of the middle vertical plate of the drilling support part supporting the limiting tool shown in FIG. 1;

FIG. 6 shows a top view of the intermediate riser shown in FIG. 5;

FIG. 7 shows a cross-sectional view of a drill bushing of the drill support portion of the support curb fixture of FIG. 1;

FIG. 8 shows a top view of the top plate of the drill support portion of the support spacing tool of FIG. 1;

FIG. 9 shows a cross-sectional view of the top plate shown in FIG. 8 taken along the direction B-B;

FIG. 10 shows a cross-sectional view of a side riser of the drill support portion of the support spacing tool of FIG. 1;

FIG. 11 shows a side view of the side riser shown in FIG. 10;

FIG. 12 illustrates a cross-sectional view of a first embodiment of a first riser of the first support portion of the support restraint tooling shown in FIG. 1;

FIG. 13 illustrates a front view of the first riser illustrated in FIG. 12;

fig. 14 shows a cross-sectional view of a second embodiment of the first riser of the first support part of the support limit tool shown in fig. 1;

FIG. 15 shows a front view of the first riser shown in FIG. 14;

fig. 16 is a sectional view of a second vertical plate supporting a second supporting portion of the spacing tool shown in fig. 1;

fig. 17 shows a front view of the second riser shown in fig. 16;

FIG. 18 shows a top view of the base of the support restraint fixture of FIG. 1;

fig. 19 shows a front view of the base shown in fig. 18.

Wherein the figures include the following reference numerals:

110. a first workpiece; 120. a second workpiece; 130. connecting pin holes; 140. a connecting pin;

10. a base; 101. a first locating pin lower hole; 102. a first fastener through hole; 103. a middle positioning pin lower hole; 104. a middle fastener through hole; 105. a side positioning pin lower hole; 106. a side fastener through hole; 107. a second avoidance hole; 108. a second positioning pin lower hole; 109. a second fastener through hole;

20. processing the supporting part; 201. a middle positioning pin; 202. an intermediate fastener; 203. a top plate positioning pin; 204. a top plate fastener; 205. side positioning pins; 206. a side fastener;

21. a middle vertical plate; 211. an intermediate support groove; 212. a middle locating pin is provided with a hole; 213. a central fastener bore; 214. a first avoidance hole;

22. drilling a sleeve; 221. a plug-in part; 222. an annular boss; 223. a guide hole;

23. a top plate; 231. mounting holes; 232. a top plate positioning pin upper hole; 233. a top plate fastener through hole;

24. a side vertical plate; 241. a lower hole of the top plate positioning pin; 242. a top plate fastener fastening hole; 243. side locating pin upper holes; 244. side fastener fastening holes;

30. a first support section; 301. a first positioning pin; 302. a first fastener; 31. a first vertical plate; 311. a first via hole; 312. a first locating pin upper hole; 313. a first fastener opening; 314. a first support groove; 315. a threaded hole;

40. a second support portion; 401. a second positioning pin; 402. a second fastener; 41. a second vertical plate; 411. a second support groove; 412. a second locating pin upper hole; 413. a second fastener aperture.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 19, the present invention provides a supporting and limiting tool, which is used for supporting and limiting a first workpiece 110 and a second workpiece 120 which are connected in an inserting manner, so as to process a joint of the first workpiece 110 and the second workpiece 120; support spacing frock include: a base 10 disposed on the support base; a processing support 20 disposed on the base 10 and located at a junction of the first workpiece 110 and the second workpiece 120 for supporting; a first support part 30 provided on the base 10 at a side of the processing support part 20 away from the second workpiece 120 to support the first workpiece 110; a second support part 40 disposed on the base 10 and located on a side of the processing support part 20 away from the first workpiece 110 to support the second workpiece 120; the first support portion 30 is provided with a limiting structure for limiting the circumferential direction of the first workpiece 110 to prevent the first workpiece 110 from rotating.

The utility model discloses a support spacing frock and come to support plug connection's first work piece 110 and second work piece 120 through set up processing supporting part 20 and first supporting part 30 and second supporting part 40 on base 10, and be used for carrying on spacingly in order to prevent that first work piece 110 pivoted limit structure comes to carry on spacingly to first work piece 110's rotation through setting up on first supporting part 30 to the circumference of first work piece 110, in order to realize fixing first work piece 110, the integral key shaft and the ball screw of having avoided plug connection take place pivoted phenomenon for ball screw easily under the drive of drilling power when drilling, thereby the shape and the position accuracy of the pinhole of having guaranteed to bore, the problem of unable shape and the position accuracy of guaranteeing the pinhole when processing the pinhole of connecting pin on 550kV angle type isolator's integral key shaft and ball screw connection spare among the prior art is solved.

Specifically, the utility model discloses a support spacing frock is the frock of joining in marriage and bores, and first work piece 110 and second work piece 120 are the integral key shaft and the ball of 550kV corner type isolator respectively, and ball's one end is inserted and is established in the shaft hole of integral key shaft, and connect through connecting pin 140 between integral key shaft and the ball, therefore, need respectively process a part of connecting pin hole 130 on the integral key shaft and the ball of plug-in connection to constitute connecting pin hole 130 for connecting pin 140 inserts jointly; the connection pin hole 130 is formed by machining a spline shaft portion and a ball screw portion at a time by the same drill.

Wherein, the first supporting part 30, the processing supporting part 20 and the second supporting part 40 are sequentially disposed on the base 10 at intervals along a first direction parallel to the upper surface of the base 10.

In addition, when penetrating connecting pin 140 in connecting pin hole 130, also can use the utility model discloses a support spacing frock and support spacingly to grafting complex integral key shaft and ball.

Alternatively, the connecting pin 140 is a resilient cylindrical pin.

The utility model discloses an among the spacing frock of support, processing supporting part 20 includes middle riser 21, and middle riser 21 perpendicular to base 10 is provided with the middle support groove 211 that is used for supporting second work piece 120 on the middle riser 21.

Specifically, the intermediate support groove 211 is a V-shaped groove; and/or the groove bottom surface of the intermediate support groove 211 is provided with a first avoidance hole 214 for avoiding a drill bit drilling at the joint of the first workpiece 110 and the second workpiece 120; and/or the middle vertical plate 21 and the base 10 are positioned by a middle positioning pin 201; and/or the middle vertical plate 21 and the base 10 are fixedly connected through a middle fastener 202.

As shown in fig. 5 and 6, the bottom surface of the intermediate support groove 211 is provided with a first avoidance hole 214, and the diameter of the first avoidance hole 214 is larger than that of the drill, so as to avoid the drill drilling at the joint of the first workpiece 110 and the second workpiece 120, and to leave an idle stroke after the drill drills the first workpiece 110 and the second workpiece 120, thereby avoiding damage to the drill.

As shown in fig. 18 and 19, the base 10 is provided with a second avoiding hole 107 communicated with the first avoiding hole 214, the diameter of the second avoiding hole 107 is larger than that of the drill, and the second avoiding hole 107 is also used for avoiding the drill used for drilling the joint between the first workpiece 110 and the second workpiece 120, so as to reserve the idle stroke of the drill after drilling the first workpiece 110 and the second workpiece 120, thereby avoiding damage to the drill.

As shown in fig. 1, 2, 5, 6, 18 and 19, the middle vertical plate 21 and the base 10 are positioned by a middle positioning pin 201, the middle vertical plate 21 is provided with a middle positioning pin upper hole 212 for being in plug-in fit with the middle positioning pin 201, and the base 10 is provided with a middle positioning pin lower hole 103 for being in plug-in fit with the middle positioning pin 201; the number of the middle positioning pins 201, the number of the middle positioning pin upper holes 212 and the number of the middle positioning pin lower holes 103 are two, the two middle positioning pins 201 are arranged at intervals along a second direction parallel to the upper surface of the base 10, and the two middle positioning pin upper holes 212 and the two middle positioning pin lower holes 103 are arranged in one-to-one correspondence with the two middle positioning pins 201; one end of each middle positioning pin 201 is inserted into the corresponding middle positioning pin upper hole 212, and the other end of each middle positioning pin 201 is inserted into the corresponding middle positioning pin lower hole 103, so as to position and connect the middle vertical plate 21 and the base 10, and thus position the middle vertical plate 21 on the base 10.

As shown in fig. 1, fig. 2, fig. 5, fig. 6, fig. 18 and fig. 19, the middle vertical plate 21 and the base 10 are fixedly connected by a middle fastener 202, the second vertical plate 41 is provided with a middle fastener fastening hole 213 for threadedly connecting with the middle fastener 202, and the base 10 is provided with a middle fastener through hole 104 for inserting the middle fastener 202; wherein the number of the middle fasteners 202, the middle fastener fastening holes 213, and the middle fastener through holes 104 is two, the two middle fasteners 202 are disposed at intervals along a second direction parallel to the upper surface of the base 10, and the two middle fastener fastening holes 213 and the two middle fastener through holes 104 are disposed in one-to-one correspondence with the two middle fasteners 202; the threaded end of each intermediate fastener 202 is inserted into the corresponding intermediate fastener fastening hole 213 after passing through the corresponding intermediate fastener through hole 104, so as to fixedly connect the intermediate vertical plate 21 and the base 10.

Specifically, the middle positioning pins 201 are cylindrical pins, and the middle fasteners 202 are screws.

The utility model discloses an in supporting spacing frock, processing supporting part 20 still includes: a drill bushing 22 disposed above a junction of the first and second workpieces 110 and 120 for guiding a drill for drilling a hole at the junction of the first and second workpieces 110 and 120; a top plate 23 disposed above a junction of the first workpiece 110 and the second workpiece 120 for mounting the drill bushing 22; and at least two side vertical plates 24 arranged between the base 10 and the top plate 23 to support the top plate 23.

As shown in fig. 7, a guide hole 223 for guiding the drill bit is formed in the drill bushing 22, the drill bushing 22 includes an insertion portion 221 and an annular boss 222 disposed around an outer circumferential surface of the insertion portion 221, the annular boss 222 is located at an upper end of the insertion portion 221, the insertion portion 221 is configured to be inserted into the mounting hole 231 on the top plate 23, and the annular boss 222 is located above the top plate 23 to limit the insertion portion 221 in a direction perpendicular to an upper surface of the base 10.

Preferably, the insertion portion 221 of the drill sleeve 22 is in interference fit with the mounting hole 231 of the top plate 23 to position the guide hole 223 of the drill sleeve 22 through the mounting hole 231 of the top plate 23.

Specifically, the top plate 23 and the side vertical plate 24 are positioned by a top plate positioning pin 203; and/or the top plate 23 and the side vertical plate 24 are fixedly connected through a top plate fastener 204; and/or the side vertical plate 24 and the base 10 are positioned by the side positioning pin 205; and/or the side riser 24 and the base 10 are fixedly connected by the side fastener 206.

As shown in fig. 1, 2 and 8 to 11, the top plate 23 and the side vertical plate 24 are positioned by the top plate positioning pin 203, the top plate 23 is provided with a top plate positioning pin upper hole 232 for being in insertion fit with the top plate positioning pin 203, and the side vertical plate 24 is provided with a top plate positioning pin lower hole 241 for being in insertion fit with the top plate positioning pin 203; one end of the top plate positioning pin 203 is inserted into the corresponding top plate positioning pin upper hole 232, and the other end of the top plate positioning pin 203 is inserted into the corresponding top plate positioning pin lower hole 241, so as to position and connect the top plate 23 and the side vertical plate 24, thereby positioning the top plate 23 and the side vertical plate 24.

As shown in fig. 1, fig. 2 and fig. 8 to fig. 11, the top plate 23 and the side vertical plate 24 are fixedly connected by a top plate fastener 204, the side vertical plate 24 is provided with a top plate fastener fastening hole 242 for screw connection with the top plate fastener 204, and the top plate 23 is provided with a top plate fastener through hole 233 for inserting the top plate fastener 204; the number of the top plate fasteners 204, the number of the top plate fastener fastening holes 242, and the number of the top plate fastener through holes 233 are two, the two top plate fasteners 204 are arranged at intervals along a first direction parallel to the upper surface of the base 10, and the two top plate fastener fastening holes 242 and the two top plate fastener through holes 233 are arranged in one-to-one correspondence with the two top plate fasteners 204; the threaded end of each top plate fastener 204 is inserted into the corresponding top plate fastener fastening hole 242 after passing through the corresponding top plate fastener through hole 233, so as to fixedly connect the top plate 23 and the side standing plate 24.

As shown in fig. 1, fig. 2, fig. 10, fig. 11, fig. 18 and fig. 19, the side vertical plate 24 and the base 10 are positioned by the side positioning pin 205, the side vertical plate 24 is provided with a side positioning pin upper hole 243 for being in plug-in fit with the side positioning pin 205, and the base 10 is provided with a side positioning pin lower hole 105 for being in plug-in fit with the side positioning pin 205; one end of each side positioning pin 205 is inserted into the corresponding side positioning pin upper hole 243, and the other end of each side positioning pin 205 is inserted into the corresponding side positioning pin lower hole 105, so as to connect the side standing plate 24 and the base 10 in a positioning manner, thereby positioning the side standing plate 24 on the base 10.

As shown in fig. 1, fig. 2, fig. 10, fig. 11, fig. 18 and fig. 19, the side riser 24 is fixedly connected to the base 10 through the side fastener 206, the side riser 24 is provided with side fastener fastening holes 244 for screwing with the side fastener 206, and the base 10 is provided with side fastener through holes 106 for inserting the side fasteners 206; the number of the side fasteners 206, the number of the side fastener fastening holes 244, and the number of the side fastener through holes 106 are two, the two side fasteners 206 are arranged at intervals along a first direction parallel to the upper surface of the base 10, and the two side fastener fastening holes 244 and the two side fastener through holes 106 are arranged corresponding to the two side fasteners 206 one to one; the threaded end of each side fastener 206 is inserted through a corresponding side fastener through hole 106 and into a corresponding side fastener fastening hole 244 to fixedly attach the side riser 24 to the base 10.

Specifically, the top plate positioning pin 203 and the side positioning pin 205 are both cylindrical pins, and the top plate fastener 204 and the side fastener 206 are both screws.

As shown in fig. 2, the number of the side vertical plates 24 in the supporting and limiting tool of the present invention is two, and the two side vertical plates 24 are disposed between the top plate 23 and the base 10 along the second direction parallel to the upper surface of the base.

In the supporting and limiting tool of the present invention, the first supporting portion 30 includes a first vertical plate 31, the first vertical plate 31 is perpendicular to the base 10, the first vertical plate 31 is provided with a first via hole 311 for the first workpiece 110 to pass through or a first supporting groove 314 for supporting the first workpiece 110, and the first vertical plate 31 is further provided with a limiting structure; wherein, the first supporting groove 314 is a U-shaped groove.

Specifically, the first vertical plate 31 and the base 10 are positioned by a first positioning pin 301; and/or the first vertical plate 31 and the base 10 are fixedly connected through a first fastener 302.

As shown in fig. 1, 12 to 15, 18 and 19, the first vertical plate 31 and the base 10 are positioned by the first positioning pin 301, the first vertical plate 31 is provided with a first positioning pin upper hole 312 for being inserted and matched with the first positioning pin 301, and the base 10 is provided with a first positioning pin lower hole 101 for being inserted and matched with the first positioning pin 301; the number of the first positioning pins 301, the first positioning pin upper holes 312 and the first positioning pin lower holes 101 is two, the two first positioning pins 301 are arranged at intervals along a second direction parallel to the upper surface of the base, and the two first positioning pin upper holes 312 and the two first positioning pin lower holes 101 are arranged in one-to-one correspondence with the two second positioning pins 401; one end of each second positioning pin 401 is inserted into the corresponding first positioning pin upper hole 312, and the other end of each second positioning pin 401 is inserted into the corresponding first positioning pin lower hole 101, so as to connect the first vertical plate 31 and the base 10 in a positioning manner, and thus position the first vertical plate 31 on the base 10.

As shown in fig. 1, 12 to 15, 18 and 19, the first vertical plate 31 and the base 10 are fixedly connected by a first fastening member 302, the first vertical plate 31 is provided with a first fastening member fastening hole 313 for screw connection with the first fastening member 302, and the base 10 is provided with a first fastening member through hole 102 for insertion of the first fastening member 302; the number of the first fastening pieces 302, the first fastening piece fastening holes 313 and the first fastening piece through holes 102 is two, the two first fastening pieces 302 are arranged at intervals along a second direction parallel to the upper surface of the base 10, and the two first fastening piece fastening holes 313 and the two first fastening piece through holes 102 are arranged in one-to-one correspondence with the two first fastening pieces 302; the threaded end of each first fastener 302 is inserted into the corresponding first fastener fastening hole 313 after passing through the corresponding first fastener through hole 102, so as to fixedly connect the first riser 31 and the base 10.

Specifically, the first positioning pin 301 is a cylindrical pin, and the first fastener 302 is a screw.

When the first workpiece 110 is a spline shaft, optionally, the limiting structure includes an internal spline disposed in the first through hole 311 or the first supporting groove 314, and the internal spline is used for being in at least partial insertion fit with an external spline of the spline shaft; and/or the limiting structure comprises a plug-in fastener and a threaded hole 315 for being in threaded connection with the plug-in fastener, the plug-in fastener is arranged on one side of the first through hole 311 or the first supporting groove 314, and one end of the plug-in fastener penetrates through the threaded hole 315 and then is inserted into the key groove of the spline shaft.

In addition, when the first workpiece 110 is a non-splined shaft which transmits torque by other types, the specific structure of the first vertical plate 31 can be modified accordingly.

The utility model discloses an in supporting spacing frock, second supporting part 40 includes second riser 41, and second riser 41 perpendicular to base 10 is provided with the second that is used for supporting second work piece 120 on the second riser 41 and supports groove 411.

Specifically, the second support slot 411 is shown as a V-shaped slot; and/or the second workpiece 120 is a lead screw, and a flexible pad for contacting with the lead screw is arranged on the wall surface of the second supporting groove 411, which is close to the second workpiece 120; and/or the second vertical plate 41 and the base 10 are positioned by a second positioning pin 401; and/or the second vertical plate 41 and the base 10 are fixedly connected through a second fastener 402.

The utility model discloses an in supporting spacing frock, second work piece 120 is the lead screw, and the second on the second riser 41 of second supporting part 40 supports and is provided with the cushion on the groove wall face that is close to second work piece 120 in groove 411 for be used for with the lead screw contact, in order to avoid the lead screw to damage second riser 41 because of the atress, guaranteed the life of second riser 41.

Preferably, the flexible mat is a rubber mat.

As shown in fig. 1 and 16 to 18, the second vertical plate 41 and the base 10 are positioned by a second positioning pin 401, a second positioning pin upper hole 412 for inserting and matching with the second positioning pin 401 is arranged on the second vertical plate 41, and a second positioning pin lower hole 108 for inserting and matching with the second positioning pin 401 is arranged on the base 10; the number of the second positioning pins 401, the number of the second positioning pin upper holes 412, and the number of the second positioning pin lower holes 108 are two, the two second positioning pins 401 are arranged at intervals along a second direction parallel to the upper surface of the base 10, and the two second positioning pin upper holes 412 and the two second positioning pin lower holes 108 are arranged in one-to-one correspondence with the two second positioning pins 401; one end of each second positioning pin 401 is inserted into the corresponding second positioning pin upper hole 412, and the other end of each second positioning pin 401 is inserted into the corresponding second positioning pin lower hole 108, so as to position and connect the second vertical plate 41 and the base 10, so as to position the second vertical plate 41 on the base 10.

As shown in fig. 1 and 16 to 18, the second upright plate 41 and the base 10 are fixedly connected through a second fastener 402, the second upright plate 41 is provided with a second fastener fastening hole 413 for threaded connection with the second fastener 402, and the base 10 is provided with a second fastener through hole 109 for inserting the second fastener 402; the number of the second fasteners 402, the second fastener fastening holes 413 and the second fastener through holes 109 is two, the two second fasteners 402 are arranged at intervals along a second direction parallel to the upper surface of the base 10, and the two second fastener fastening holes 413 and the two second fastener through holes 109 are arranged in one-to-one correspondence with the two second fasteners 402; the threaded end of each second fastener 402 passes through the corresponding second fastener through hole 109 and is inserted into the corresponding second fastener fastening hole 413, so as to fixedly connect the second vertical plate 41 and the base 10.

Specifically, the second positioning pin 401 is a cylindrical pin, and the second fastener 402 is a screw.

The utility model discloses an in supporting spacing frock, the central line of the guiding hole 223 of drill bushing 22 and the support central line of middle riser 21 and the support central line of first riser 31 and the support central line of second riser 41 all are located same perpendicular to support base face and be on a parallel with the plane of first direction, and through middle locating pin 201, roof locating pin 203, side locating pin 205, first locating pin 301 and second locating pin 401's combined action realizes the accurate location each other, thereby the accuracy of the shape and the position of drilling has been guaranteed.

As shown in fig. 3 and 4, one side of the external spline on the spline shaft close to the ball screw is a first shoulder, one side of the spline shaft, which is used for being connected with the ball screw and is far away from the ball screw, is a second shoulder, the first vertical plate 31 is used for being in contact with one side of the first shoulder, which is far away from the second shoulder, the middle vertical plate 21 is used for being in contact with one side of the second shoulder, which is far away from the first shoulder, so as to axially limit the spline shaft, and further guarantee the fixation of the relative position between the spline shaft and the ball screw.

The utility model discloses a support spacing frock's application method as follows:

(1) One end of the ball screw is inserted into the spline shaft.

(2) The integral installation of the spline shaft and the ball screw which are connected in a plugging manner is carried out on a supporting and limiting tool, one end of the spline shaft, which is far away from the ball screw, is inserted into a first through hole 311 of a first vertical plate 31 and is in plugging fit with an internal spline in the first through hole 311, then the connection part of the spline shaft and the ball screw is placed in a middle supporting groove 211 on a middle vertical plate 21, then the ball screw is placed in a second supporting groove 411 on a second vertical plate 41, and finally a side vertical plate 24 and a top plate 23 provided with a drill bushing 22 are installed.

(3) The drill bit of the drill press is passed through the drill bushing 22 to drill the spline shaft and the ball screw which are inserted and connected.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the supporting and limiting tool of the utility model is used for supporting and limiting the first workpiece 110 and the second workpiece 120 which are connected in an inserting way, so as to process the joint of the first workpiece 110 and the second workpiece 120; support spacing frock include: a base 10 disposed on the support base; a processing support 20 disposed on the base 10 and located at a junction of the first workpiece 110 and the second workpiece 120 for supporting; a first support part 30 provided on the base 10 on a side of the processing support part 20 away from the second workpiece 120 to support the first workpiece 110; a second support part 40 disposed on the base 10 and located on a side of the processing support part 20 away from the first workpiece 110 to support the second workpiece 120; the first support portion 30 is provided with a limiting structure for limiting the circumferential direction of the first workpiece 110 to prevent the first workpiece 110 from rotating. Thus, the utility model discloses a support spacing frock and come to support plug-in connection's first work piece 110 and second work piece 120 through set up processing supporting part 20 and first supporting part 30 and second supporting part 40 on base 10, and through set up on first supporting part 30 and be used for carrying on spacingly in order to prevent that first work piece 110 pivoted limit structure from carrying on first work piece 110's circumference to first work piece 110 rotation spacing, in order to realize fixing first work piece 110, the integral key shaft and the ball screw of having avoided plug-in connection take place pivoted phenomenon for the ball screw easily under the drive of drilling power when drilling, thereby the shape and the position accuracy of pinhole that have bored have been guaranteed, the problem of unable shape and the position accuracy of guaranteeing the pinhole when processing the pinhole of connecting pin on 550kV angle type isolator's integral key shaft and the ball screw connection spare among the prior art is solved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The supporting and limiting tool is characterized by being used for supporting and limiting a first workpiece (110) and a second workpiece (120) which are connected in an inserting manner so as to process the joint of the first workpiece (110) and the second workpiece (120); support spacing frock include:

a base (10) disposed on the support base;

a processing support (20) provided on the base (10) and located at a junction of the first workpiece (110) and the second workpiece (120) for support;

a first support part (30) provided on the base (10) on a side of the processing support part (20) remote from the second workpiece (120) to support the first workpiece (110);

a second support (40) provided on the base (10) on a side of the processing support (20) remote from the first workpiece (110) to support the second workpiece (120);

the first supporting part (30) is provided with a limiting structure used for limiting the circumferential direction of the first workpiece (110) so as to prevent the first workpiece (110) from rotating.

2. The supporting and limiting tool according to claim 1, wherein the machining supporting portion (20) comprises a middle vertical plate (21), the middle vertical plate (21) is perpendicular to the base (10), and a middle supporting groove (211) for supporting the second workpiece (120) is formed in the middle vertical plate (21).

3. The supporting and limiting tool of claim 2,

the middle supporting groove (211) is a V-shaped groove; and/or

A first avoidance hole (214) for avoiding a drill bit for drilling at the joint of the first workpiece (110) and the second workpiece (120) is formed in the bottom surface of the intermediate support groove (211); and/or

The middle vertical plate (21) and the base (10) are positioned through a middle positioning pin (201); and/or

The middle vertical plate (21) is fixedly connected with the base (10) through a middle fastener (202).

4. The support limit tool according to any one of claims 1 to 3, wherein the machining support portion (20) further comprises:

a drill bushing (22) disposed above a junction of the first and second workpieces (110, 120) for guiding a drill bit drilling the junction of the first and second workpieces (110, 120);

a top plate (23) disposed above a junction of the first workpiece (110) and the second workpiece (120) for mounting the drill bushing (22);

at least two side risers (24) disposed between said base (10) and said top plate (23) to support said top plate (23).

5. The supporting and limiting tool of claim 4, wherein,

the top plate (23) and the side vertical plate (24) are positioned through a top plate positioning pin (203); and/or

The top plate (23) is fixedly connected with the side vertical plate (24) through a top plate fastener (204); and/or

The side vertical plate (24) and the base (10) are positioned through a side positioning pin (205); and/or

The side vertical plate (24) is fixedly connected with the base (10) through a side fastener (206).

6. The supporting and limiting tool according to claim 1, wherein the first supporting portion (30) comprises a first vertical plate (31), the first vertical plate (31) is perpendicular to the base (10), a first through hole (311) for the first workpiece (110) to pass through or a first supporting groove (314) for supporting the first workpiece (110) are formed in the first vertical plate (31), and the first vertical plate (31) is further provided with the limiting structure.

7. The supporting and limiting tool of claim 6,

the first vertical plate (31) and the base (10) are positioned through a first positioning pin (301); and/or

The first vertical plate (31) is fixedly connected with the base (10) through a first fastener (302).

8. The support limit tool according to claim 6, wherein the first workpiece (110) is a spline shaft, wherein,

the limiting structure comprises an internal spline arranged in the first through hole (311) or the first supporting groove (314), and the internal spline is used for being in at least partial splicing fit with an external spline of the spline shaft; and/or

The limiting structure comprises a plug-in fastener and a threaded hole (315) connected with the plug-in fastener in a threaded mode, the plug-in fastener is arranged on one side of the first via hole (311) or the first supporting groove (314), and one end of the plug-in fastener penetrates through the rear portion of the threaded hole (315) and is inserted into the key groove of the spline shaft.

9. The supporting and limiting tool according to claim 1, wherein the second supporting portion (40) comprises a second vertical plate (41), the second vertical plate (41) is perpendicular to the base (10), and a second supporting groove (411) for supporting the second workpiece (120) is formed in the second vertical plate (41).

10. The supporting and limiting tool of claim 9,

the second supporting groove (411) is a V-shaped groove; and/or

The second workpiece (120) is a lead screw, and a flexible pad used for being in contact with the lead screw is arranged on the wall surface, close to the second workpiece (120), of the second support groove (411); and/or

The second vertical plate (41) and the base (10) are positioned through a second positioning pin (401); and/or

The second vertical plate (41) is fixedly connected with the base (10) through a second fastener (402).

Images