CN112563058A - Contact seat assembly crimping frock - Google Patents
Contact seat assembly crimping frock Download PDFInfo
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- CN112563058A CN112563058A CN202011012677.9A CN202011012677A CN112563058A CN 112563058 A CN112563058 A CN 112563058A CN 202011012677 A CN202011012677 A CN 202011012677A CN 112563058 A CN112563058 A CN 112563058A
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- seat
- positioning seat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
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Abstract
The invention relates to a crimping tool for assembling a contact seat. Contact seat assembly crimping frock includes: a frame; the lower positioning seat is arranged on the rack and is provided with a lower positioning groove which is a circular groove and is used for positioning the lower end of the static contact seat; the upper positioning seat is arranged on the rack and is positioned above the lower positioning seat, and is provided with an upper positioning groove which is a circular groove and used for positioning the upper end of the shielding case; and the hydraulic driving device is used for driving the lower positioning seat to move towards the upper positioning seat so as to assemble the static contact seat, the static end contact finger on the static contact seat and the shielding cover in an interference manner. In the tool in the embodiment, the static contact base, the static contact fingers on the static contact base and the shielding cover are assembled together in an interference fit mode through the hydraulic driving device, and compared with a mode of expansion with heat and contraction with cold, the shielding cover is not required to be heated, so that the production efficiency is improved; moreover, hydraulic oil of the hydraulic driving device can be recycled, and the production cost of static contact seat assembly is reduced.
Description
Technical Field
The invention relates to a crimping tool for assembling a contact seat.
Background
The LW series tank type circuit breaker is a high-voltage circuit breaker product which combines the functions of a circuit breaker, a current transformer and the like, and the ZHW series composite combined electrical apparatus is a high-voltage electrical apparatus product which combines the functions of a circuit breaker, three stations, a current transformer, a wall outlet sleeve, quick grounding, a lightning arrester and the like. The core assembly of the arc extinguish chamber assembly is required to be used for the products of the two series, in order to meet the miniaturization design of the core assembly, the contact seat assembly is of a compression joint structure, the compression joint structure can guarantee that the through-current performance of the contact part is consistent, and the contact resistance is reliable.
Taking the static contact base assembly as an example, as shown in fig. 1, the static contact base assembly includes a static contact base 11, a shielding cover 12 is disposed on the static contact base 11, and a static contact finger 13 is disposed between the shielding cover 12 and the static contact base 11, wherein the static contact base 11, the shielding cover 12, and the static contact finger 13 are assembled together in an interference fit manner.
In the prior art, interference assembly is generally realized by means of thermal expansion and cold contraction, for example, a static end contact finger is placed on a step of a static contact base, then a heated shielding cover is sleeved outside the static end contact finger, and finally the shielding cover is rapidly cooled by liquid nitrogen, so that the static contact base, the shielding cover and the static end contact finger are assembled together in an interference manner. The interference assembly method needs to heat the shielding cover, which causes the production efficiency of static contact seat assembly to be low; and the shielding cover is cooled by liquid nitrogen, so that the production cost of assembling the static contact seat is increased.
Disclosure of Invention
The invention aims to provide a crimping tool for assembling a contact seat, which aims to solve the technical problem that the production cost of the contact seat assembly in the prior art is high.
In order to achieve the purpose, the technical scheme of the contact seat assembling and crimping tool is as follows:
contact seat assembly crimping frock includes:
a frame;
the lower positioning seat is arranged on the rack and is provided with a lower positioning groove which is a circular groove and is used for positioning the lower end of the static contact seat;
the upper positioning seat is arranged on the rack and is positioned above the lower positioning seat, and is provided with an upper positioning groove which is a circular groove and used for positioning the upper end of the shielding case;
and the hydraulic driving device is used for driving the lower positioning seat to move towards the upper positioning seat so as to assemble the static contact seat, the static end contact finger on the static contact seat and the shielding cover in an interference manner.
The beneficial effects are that: in the tool in the embodiment, the static contact base, the static contact fingers on the static contact base and the shielding cover are assembled together in an interference fit mode through the hydraulic driving device, and compared with a mode of expansion with heat and contraction with cold, the shielding cover is not required to be heated, so that the production efficiency is improved; moreover, hydraulic oil of the hydraulic driving device can be recycled, and the production cost of static contact seat assembly is reduced.
Furthermore, the lower positioning seat is assembled on the rack in a guiding manner along the vertical direction.
The beneficial effects are that: the lower positioning seat is guaranteed not to deflect in the ascending process, and therefore the crimping quality is guaranteed.
Furthermore, the frame includes the guide bar, and the direction extends along vertical direction, be equipped with the uide bushing on the lower positioning seat, the lower positioning seat passes through the guide bar and the uide bushing direction cooperation is in order to lead the assembly in the frame.
The beneficial effects are that: this direction mode is comparatively simple, is favorable to the direction assembly of lower positioning seat and frame.
Furthermore, a limiting part is arranged on the guide rod and located above the guide sleeve, and the limiting part is used for limiting the position of the guide sleeve moving upwards.
The beneficial effects are that: through setting up the locating part, guarantee that the lower positioning seat can not excessively move up, avoid the shield cover to be crushed.
Furthermore, the position of the limiting piece in the vertical direction can be adjusted and fixed on the guide rod.
The beneficial effects are that: design like this, can be as required with the spacing different positions in upper and lower direction of uide bushing to the product of adaptation different models.
Furthermore, the limiting part is in threaded connection with the guide rod, and the limiting part can be adjusted in the vertical direction when being screwed.
The beneficial effects are that: the adjusting mode is simple and convenient.
Furthermore, be equipped with the pressure spring that resets between locating part and the uide bushing, the pressure spring that resets is used for applying decurrent elastic force to the uide bushing, the locating part is the stop collar, and the stop collar encloses into the annular that the opening is down with the guide bar, and the pressure spring cover that resets is established on the guide bar, and the one end roof pressure of pressure spring that resets is on the up end of guide collar, and the other end roof pressure is at the tank bottom of annular.
The beneficial effects are that: due to the design, the lower positioning seat can reset under the elastic acting force of the reset pressure spring, and the working efficiency is improved.
Furthermore, the contact seat assembly crimping tool further comprises a reset elastic piece, and the reset elastic piece is used for applying downward elastic acting force to the downward positioning seat.
The beneficial effects are that: design like this for lower positioning seat can reset under the elastic force of the elastic component that resets, has improved work efficiency.
Furthermore, the upper positioning seat is fixed on the frame in a position adjustable in the vertical direction.
The beneficial effects are that: by the design, the moving stroke of the lower positioning seat can be reduced.
Furthermore, a screw rod is connected to the rack in a threaded manner, the lower end of the screw rod is rotatably assembled on the upper positioning seat, and the upper positioning seat is adjustable in position in the up-down direction through rotation of the screw rod.
The beneficial effects are that: design like this for the regulation of going up the positioning seat is comparatively simple and convenient.
Furthermore, a spherical rolling body is arranged between the lower end face of the screw rod and the lower positioning seat.
The beneficial effects are that: design like this, frictional force when can reducing the screw rod and rotate for go up the positioning seat and be difficult to take place to rotate, and then guarantee that go up the pedestal and the shield cover is difficult to take place relative rotation.
Furthermore, the groove wall of the upper positioning seat is provided with a plurality of elastic positioning assemblies which are arranged at intervals along the circumferential direction of the upper positioning seat.
The beneficial effects are that: by the design, the shielding cover can be arranged in the middle.
Furthermore, the elastic positioning assembly comprises a sleeve and a pushing head, the pushing head is assembled in the sleeve in a sliding mode, a positioning elastic piece is arranged in the sleeve, and the positioning elastic piece is used for applying elastic acting force towards the shielding cover to the pushing head.
The beneficial effects are that: the structure is simple, and the elastic part and the pushing head are convenient to position.
Furthermore, the sleeve comprises an inner sleeve and an outer sleeve, one end of the outer sleeve, which is far away from the inner sleeve, is of an open structure, two ends of the inner sleeve are of open structures, one end of the inner sleeve is fixedly arranged on the wall of the upper positioning seat, the other end of the inner sleeve is in threaded connection with the open end of the outer sleeve, and the positioning elastic pieces are arranged in the inner sleeve and the outer sleeve so as to adjust the compression amount of the positioning elastic pieces when the outer sleeve is screwed.
The beneficial effects are that: through the compression of adjusting location elastic component for top that the top pusher can be better pushes up on the shield cover, further guarantees that the shield cover can set up placed in the middle.
Further, the bottom of the lower positioning seat is provided with a lower threaded hole, the bottom of the upper positioning seat is provided with an upper threaded hole, the contact seat assembly crimping tool further comprises an arc striking ring positioning seat and a moving contact seat positioning seat, the arc striking ring positioning seat is fixed at the bottom of the upper positioning seat through a screw, and the moving contact seat positioning seat is fixed at the bottom of the lower positioning seat through a screw.
The beneficial effects are that: the tool is suitable for compression joint assembly of static contact base assembly and movable contact base assembly.
Furthermore, the hydraulic driving device is a jack, and the jack is connected with an oil pump.
Furthermore, the frame includes the bottom plate, has set firmly three stands on the bottom plate, and the upper end of two adjacent stands sets firmly the connecting plate, go up positioning seat and lower positioning seat setting between two of them stands.
The beneficial effects are that: triangle-shaped structural stability is better, sets up the stability that three stand can guarantee the frame.
Furthermore, a bearing beam is arranged on the connecting plate above the upper positioning seat.
The beneficial effects are that: the strength of the connecting plate is guaranteed, and deformation is avoided.
Drawings
Fig. 1 is a schematic structural view of a static contact base assembly in the prior art;
FIG. 2 is a schematic structural diagram of embodiment 1 of the assembly and crimping tool for a contact block according to the invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of the upper positioning seat in FIG. 2;
FIG. 5 is a schematic structural view of the lower positioning socket in FIG. 2;
FIG. 6 is an enlarged view of the guide rod and the stop collar of FIG. 2;
FIG. 7 is a schematic structural diagram of embodiment 2 of the assembly and crimping tool for a contact block according to the invention;
in the figure: 11-stationary contact base; 12-a shield; 13-stationary end contact finger; 21-a bottom plate; 22-jack; 23-a guide bar; 24-a guide sleeve; 25-resetting a pressure spring; 26-a stop collar; 27-upright post; 28-an upper seat body; 29-a resilient positioning member; 30-a connecting plate; 31-a pressure-bearing beam; 32-screw rod; 33-oil pipe; 34-an oil pump; 35-a handle; 36-lower positioning seat; 37-a locking nut; 38-thread bush; 39-screw transition piece; 40-steel ball; 41-coat; 42-inner sleeve; 43-positioning a compression spring; 44-pushing the head; 45-lower positioning groove; 46-lower threaded hole; 47-a fixing nut; 48-upper positioning groove; 49-upper threaded hole; 50-arc starting ring positioning seat; 51-arc striking ring; 52-moving contact block; 53-moving contact base positioning seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "upper" and "lower" are based on the orientation and positional relationship shown in the drawings and are only for convenience of description of the present invention, and do not indicate that the referred device or component must have a specific orientation, and thus, should not be construed as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
Embodiment 1 of the crimping tool for assembling the contact seat of the invention:
as shown in fig. 2, the contact seat assembling and crimping tool comprises a frame, the frame comprises a bottom plate 21, three upright posts 27 are arranged on the bottom plate 21, a connecting plate 30 is arranged between the upper ends of two adjacent upright posts 27, and the stability of the frame can be ensured due to a triangular structure formed by the three upright posts 27. In other embodiments, only two posts may be provided on the base plate.
In this embodiment, the bottom plate 21 is provided with the jack 22, the driving end of the jack 22 is provided with the lower positioning seat 36, the lower positioning seat 36 is used for positioning the stationary contact seat 11, and the lower positioning seat 36 is driven by the jack 22 to move upwards, that is, the jack 22 drives the lower positioning seat 36 to move upwards; because the force for assembling the static contact base 11, the static contact finger 13 on the static contact base 11 and the shielding case 12 together too hard is large, the jack 22 is connected with an oil pump 34 through an oil pipe 33, the oil pump 34 is provided with a handle 35, and the driving end of the jack 22 is extended by repeatedly pressing the handle 35. Wherein the jack 22 constitutes a hydraulic drive. In other embodiments, the hydraulic drive may be a hydraulic cylinder.
In this embodiment, an upper positioning seat is disposed right above the lower positioning seat 36, the upper positioning seat is used for positioning the shielding case 12, the upper positioning seat is fixed on one of the connecting plates 30 by a screw 32 in an adjustable position in the up-down direction, and in order to ensure the strength of the connecting plate 30 and avoid deformation, a bearing beam 31 is further fixed on the connecting plate 30.
It should be noted that the jack 22, the lower positioning socket 36 and the upper positioning socket are disposed between two of the three columns 27 to facilitate the placement of the stationary contact socket 11, the shield 12 and the stationary end contact 13 by the operator.
In this embodiment, the lower positioning seat 36 is assembled on the frame in a vertically guiding manner. Specifically, a guide rod 23 is arranged on a bottom plate 21 of the rack, the guide rod 23 extends along the vertical direction, and a lower positioning seat 36 is assembled on the guide rod 23 along the vertical direction; the number of the guide rods 23 is three, and the three guide rods 23 are uniformly arranged along the circumferential direction of the lower positioning seat 36 at intervals to ensure that the lower positioning seat 36 cannot rotate or deviate. In other embodiments, no guide bar may be provided.
As shown in fig. 3 and 5, the lower positioning seat 36 includes a lower seat body and three guide sleeves 24, the three guide sleeves 24 are uniformly arranged at intervals along the circumferential direction of the lower seat body, and the three guide sleeves 24 are respectively in guide sliding fit with the corresponding guide rods 23. Wherein, the guide bar 23 is provided with a stop step to prevent the guide sleeve 24 from excessively moving downwards.
In order to avoid excessive upward movement of the guide sleeve 24, as shown in fig. 3 and 6, a stop sleeve 26 is provided on the guide rod 23 above the guide sleeve 24, and the stop sleeve 26 is used to limit the upward movement position of the guide sleeve 24 so as to avoid excessive pressing of the shield 12. In the present embodiment, the position-limiting sleeve 26 constitutes a position-limiting member, and in other embodiments, the position-limiting member is a shaft shoulder disposed on the guide rod.
Specifically, the stop collar 26 is screwed on the guide rod 23, so that the position of the stop collar 26 in the up-down direction can be adjusted when the stop collar 26 is screwed, and the guide collar 24 can be stopped at different positions. In order to ensure the stability of the position-adjusting limiting sleeve 26, a locking nut 37 is screwed on the guide rod 23 above the position-adjusting limiting sleeve 26. In other embodiments, the position-limiting sleeve is fixedly arranged on the guide rod, for example, the position-limiting sleeve is welded with the guide rod.
In this embodiment, a return compression spring 25 is arranged between the limiting sleeve 26 and the guide sleeve 24, the return compression spring 25 constitutes a return elastic member, and the return compression spring 25 is used for applying a downward elastic acting force to the guide sleeve 24; in order to avoid the damage of the reset pressure spring 25 caused by over compression, a ring groove is defined between the limiting sleeve 26 and the guide rod 23, the opening of the ring groove faces downwards, the reset pressure spring 25 is sleeved on the guide rod 23, the upper end of the reset pressure spring 25 is pressed against the groove bottom of the ring groove, and the lower end of the reset pressure spring 25 is pressed against the upper end face of the guide sleeve 24.
In this embodiment, a sliding bearing is provided in the guide sleeve 24, and the sliding bearing can reduce friction force to facilitate the up-and-down sliding of the guide sleeve 24 on the guide rod 23.
As shown in fig. 5, the lower positioning seat 36 is provided with a lower positioning groove 45, preferably, the lower positioning groove 45 is a circular groove with an upward opening, and the lower positioning groove 45 is adapted to the lower end of the static contact seat 11 for placing the static contact seat 11.
As shown in fig. 3, the connecting plate 30 and the pressure-bearing beam 31 are provided with threaded sleeves 38, the lower ends of the threaded sleeves 38 are provided with stop protrusions, the stop protrusions are in stop fit with the connecting plate 30, the upper ends of the threaded sleeves 38 are connected with fixing nuts 47 through threads, and the threaded sleeves 38 are fixed on the connecting plate 30 and the pressure-bearing beam 31 by screwing the fixing nuts 47.
In this embodiment, the screw rod 32 is screwed into the threaded sleeve 38, the lower end of the screw rod 32 is rotatably assembled on the upper positioning seat, and the position of the upper positioning seat in the up-down direction can be adjusted by rotating the screw rod 32.
In this embodiment, the upper positioning seat includes an upper seat body 28 and a screw transition piece 39, the screw transition piece 39 is fixedly disposed on the upper seat body 28, the screw transition piece 39 has an inner cavity, a steel ball 40 is disposed in the inner cavity, and the steel ball 40 forms a spherical rolling body. In other embodiments, the spherical rolling elements may be iron balls or the like, but may not be provided.
In this embodiment, the lower end of the screw 32 is provided with an annular boss, the annular boss is arranged in the inner cavity, and the lower end face of the annular boss is in contact with the steel ball 40. Wherein, the screw rod 32 is rotatably assembled on the screw rod transition piece 39 through the annular boss, and the steel ball 40 can reduce the friction force when the screw rod 32 rotates, so that the upper positioning seat is not easy to rotate, and further the upper base body 28 and the shielding case 12 are not easy to rotate relatively.
As shown in fig. 3 and 4, the upper seat 28 is provided with an upper positioning slot 48, preferably, the upper positioning slot 48 is a circular slot with a downward opening, and an inner diameter of the upper positioning slot 48 is slightly larger than an outer diameter of the shielding shell 12. The wall of the upper positioning groove 48 is provided with a plurality of elastic positioning assemblies 29, and the elastic positioning assemblies 29 are arranged along the circumferential direction of the upper positioning groove 48 at intervals, so that the shielding case 12 is located in the middle of the upper positioning groove 48 under the action of each elastic positioning assembly 29. In other embodiments, the resilient locating component may not be provided where the upper locating groove is adapted to the inner diameter of the shield can.
It should be noted that the center line of the upper positioning slot 48 coincides with the center line of the lower positioning slot 45 to ensure the coaxiality of the shielding case 12 and the static contact base 11.
In this embodiment, the elastic positioning assembly includes an outer sleeve 41 and an inner sleeve 42, one end of the inner sleeve 42 is connected to a wall of the upper positioning groove 48 through a thread, the outer sleeve 41 is connected to the outside of the other end of the inner sleeve 42 through a thread, wherein both ends of the inner sleeve 42 are open structures, and one end of the outer sleeve 41 close to the inner sleeve 42 is an open structure, so as to communicate the outer sleeve 41 and the inner sleeve 42.
In this embodiment, a pushing head 44 is disposed at one end of the inner sleeve 42 away from the outer sleeve 41, a positioning compression spring 43 is disposed in the outer sleeve 41 and the inner sleeve 42, and the positioning compression spring 43 constitutes a positioning elastic member; one end of the positioning compression spring 43 is pressed against the bottom of the outer sleeve 41, the other end is pressed against the pushing head 44, and the pushing head 44 is used for pushing against the shielding case 12, so that the shielding case 12 is located in the middle of the upper positioning groove 48. Also, by screwing the outer sleeve 41, the compression amount of the positioning compression spring 43 can be adjusted.
In this embodiment, an annular limiting protrusion is disposed in the inner sleeve 42, and the pushing head 44 has a step structure, and the step structure is in limiting fit with the limiting protrusion to prevent the pushing head 44 from coming off from the inner sleeve 42. The pushing end face of the pushing head 44 is a curved surface, which facilitates the entry of the upper end of the shielding case 12 into the upper positioning groove 48.
When the static contact base is assembled and pressed, the static contact base 11 is firstly placed in the lower positioning groove 45 of the lower positioning seat 36, and the stability of the static contact base 11 on the lower positioning seat 36 can be ensured under the self gravity of the static contact base 11; then, the static end contact fingers 13 are placed on the step surface at the upper part of the static contact seat 11, in the embodiment, the static end contact fingers 13 are two, and the two static end contact fingers 13 are both C-shaped to form an annular static end contact finger 13; after the static contact pins are placed, the two static contact pins 13 need to be held by hands, then the shielding cover 12 is sleeved outside the two static contact pins 13, and at the moment, a certain distance is reserved between the lower end of the shielding cover 12 and the step surface at the upper part of the static contact seat 11; then, the screw 32 is rotated to lower the upper positioning seat until the upper end of the shielding case 12 enters the upper positioning groove 48 and the upper end surface of the shielding case 12 contacts the bottom of the upper positioning groove 48, and at this time, the pushing head 44 in the upper positioning groove 48 pushes the shielding case 12 to keep the shielding case 12 at the central position; then, the handle 35 is pressed, the lower positioning seat 36 is driven by the jack 22 to drive the static contact seat 11 to move upwards, and at the moment, the upper positioning seat is fixed, that is, the shielding cover 12 does not move upwards, so that the distance between the lower end of the shielding cover 12 and the step surface on the upper portion of the static contact seat 11 is smaller and smaller, and meanwhile, the lower end of the shielding cover 12 is gradually tightened to the outer peripheral surface of the static end contact finger 13 until the lower end of the shielding cover 12 contacts the step surface on the upper portion of the static contact seat 11, so that the static contact finger 13 on the static contact seat 11 and the shielding cover 12 are assembled together in an interference fit manner, and the crimping assembly of the static contact.
The tool in the embodiment is used for assembling the static contact seat, the static contact fingers on the static contact seat and the shielding cover in an interference fit manner through the hydraulic acting force of the jack, and compared with a mode of expansion with heat and contraction with cold, the shielding cover is not required to be heated, so that the production efficiency is improved; moreover, hydraulic oil can be recycled, and the production cost of static contact base assembly is reduced.
Embodiment 2 of the crimping tool for assembling the contact seat of the invention:
as shown in fig. 7, in this embodiment, the contact block assembling and crimping tooling is used for assembling and crimping the movable contact block, and the movable contact block assembly includes a movable contact block 52 and an arc striking ring 51. On the basis of embodiment 1, the contact seat assembly crimping tool further comprises an arc striking ring positioning seat 50 and a moving contact seat positioning seat 53, wherein the arc striking ring positioning seat 50 is provided with a positioning bulge and an upper step hole, and the moving contact seat positioning seat 53 is provided with a positioning groove and a lower step hole. As shown in fig. 4 and 5, the bottom of the upper positioning groove 48 is provided with an upper threaded hole 49, the bottom of the lower positioning groove 45 is provided with a lower threaded hole 46, the arc striking ring positioning seat 50 is fixed on the bottom of the upper positioning groove 48 by a screw, and the moving contact seat positioning seat 53 is fixed on the bottom of the lower positioning groove 45 by a screw; the positioning protrusion on the arc striking ring positioning seat 50 is matched with the end hole at the upper end of the arc striking ring 51, and the positioning groove of the moving contact seat positioning seat 53 is matched with the lower end of the moving contact seat 52. The crimping process of the movable contact seat assembly is similar to that of the static contact seat assembly in embodiment 1, and is not described herein again.
Embodiment 3 of the crimping tool for assembling the contact seat of the invention:
in embodiment 1, a bottom plate 21 of the rack is provided with a guide rod 23, the guide rod 23 extends in a vertical direction, the lower positioning seat 36 is provided with a guide sleeve 24, and the lower positioning seat 36 is guided and fitted on the rack through the guide rod 23 and the guide sleeve 24 to be guided and assembled. In this embodiment, be equipped with the guide bar on the bottom plate of frame, be equipped with the guide way on the guide bar, the guide way extends along vertical direction, guide block on the lower positioning seat, lower positioning seat passes through guide block and guide way direction cooperation and assembles in the frame with the direction.
Embodiment 4 of the crimping tool for assembling the contact seat of the invention:
in embodiment 1, the guide rod 23 is provided with a stop sleeve 26, the stop sleeve 26 is located above the guide sleeve 24, and the stop sleeve 26 is used for limiting the upward movement position of the guide sleeve 24 so as to avoid the shielding case 12 from being excessively squeezed. In this embodiment, do not set up the stop collar, do the mark line on the guide bar, when the guide collar reachd the mark line, stop pressing the handle, make the jack no longer drive lower positioning seat and go upward.
Embodiment 5 of the crimping tool for assembling the contact block of the invention:
in embodiment 1, the position-restricting sleeve 26 is screwed to the guide bar 23, so that the position of the position-restricting sleeve can be adjusted in the up-down direction when the position-restricting sleeve 26 is screwed. In this embodiment, be equipped with along its radial extended screw hole on the stop collar, be equipped with holding screw in the screw hole, after the stop collar slided to the settlement position on the guide bar, fixed through holding screw to realize that the position of stop collar in upper and lower direction is adjustable.
Embodiment 6 of the crimping tool for assembling the contact block of the invention:
in embodiment 1, a return compression spring 25 is provided between the stopper sleeve 26 and the guide sleeve 24, and the return compression spring 25 is used to apply a downward elastic force to the guide sleeve 24. In this embodiment, the elastic component that resets is the extension spring that resets, and the one end of extension spring that resets is connected on the bottom plate, and the other end is connected on the uide bushing, and the extension spring that resets is used for applying decurrent elastic force to the uide bushing.
Embodiment 7 of the crimping tool for assembling the contact block of the invention:
in embodiment 1, a screw rod 32 is screwed to the connecting plate of the frame, the lower end of the screw rod 32 is rotatably assembled to the upper positioning seat, and the upper positioning seat is adjustable in position in the up-down direction by the rotation of the screw rod 32. In this embodiment, the lower extreme of screw rod is fixed on last positioning seat, is equipped with the perforation on the connecting plate, and the screw rod passes the perforation, and all threaded connection has the nut in the both sides of connecting plate on the screw rod, when the upper and lower position of positioning seat is adjusted to needs, loosens two nuts earlier, then adjusts the position of screw rod in the upper and lower direction, adjusts the back in place, screws two nuts again to it is adjustable to realize the position of upper positioning seat in the upper and lower direction.
Embodiment 8 of the crimping tool for assembling the contact block of the invention:
in embodiment 1, the elastic positioning assembly includes a sleeve and a pushing head 44, the pushing head 44 is slidably assembled in the sleeve, a positioning compression spring 43 is disposed in the sleeve, and the positioning compression spring 43 is configured to apply an elastic acting force to the pushing head 44 toward the shielding case 12. In this embodiment, the elastic positioning assembly includes a plug and a pushing head, a wall of the upper base is thicker, a radial hole is formed in the wall of the upper base, the plug is connected to an outer end of the radial hole in a threaded manner, the pushing head is arranged at an inner end of the radial hole, and a positioning pressure spring is arranged between the plug and the pushing head. It should be noted that the inner end of the radial hole is provided with an annular limiting protrusion to prevent the ejector head from falling out of the radial hole.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. Contact seat assembly crimping frock, its characterized in that includes:
a frame;
the lower positioning seat is arranged on the rack and is provided with a lower positioning groove which is a circular groove and is used for positioning the lower end of the static contact seat;
the upper positioning seat is arranged on the rack and is positioned above the lower positioning seat, and is provided with an upper positioning groove which is a circular groove and used for positioning the upper end of the shielding case;
and the hydraulic driving device is used for driving the lower positioning seat to move towards the upper positioning seat so as to assemble the static contact seat, the static end contact finger on the static contact seat and the shielding cover in an interference manner.
2. The assembly and crimping tool for the contact block according to claim 1, wherein the lower positioning seat is assembled on the rack in an up-and-down direction in a guiding manner.
3. The tool for assembling and crimping the contact block according to claim 2, wherein the frame comprises a guide rod, the guide rod extends in the vertical direction, the lower positioning seat is provided with a guide sleeve, and the lower positioning seat is assembled on the frame in a guide manner through guide fit of the guide rod and the guide sleeve.
4. The tool for assembling and crimping the contact block according to claim 3, wherein a limiting member is arranged on the guide rod, the limiting member is located above the guide sleeve, and the limiting member is used for limiting the position of the guide sleeve, which moves upwards.
5. The tool for assembling and crimping the contact block according to claim 4, wherein the limiting member is fixed on the guide rod in a vertically adjustable manner.
6. The tool for assembling and crimping the contact block according to claim 5, wherein the limiting member is in threaded connection with the guide rod, so that the position of the limiting member in the vertical direction can be adjusted when the limiting member is screwed.
7. The tool for assembling and crimping the contact block according to claim 4, wherein a reset pressure spring is arranged between the limiting member and the guide sleeve, the reset pressure spring is used for applying a downward elastic acting force to the guide sleeve, the limiting member is a limiting sleeve, the limiting sleeve and the guide rod form an annular groove with a downward opening, the reset pressure spring is arranged on the guide rod, one end of the reset pressure spring is pressed against the upper end surface of the guide sleeve, and the other end of the reset pressure spring is pressed against the bottom of the annular groove.
8. The tool for assembling and crimping the contact block according to any one of claims 1 to 6, wherein the tool for assembling and crimping the contact block further comprises a return elastic member, and the return elastic member is used for applying a downward elastic force to the downward positioning seat.
9. The tool for assembling and crimping the contact block according to any one of claims 1 to 7, wherein the upper positioning seat is fixed on the frame in a position adjustable in the vertical direction.
10. The tool for assembling and crimping the contact block according to claim 9, wherein a screw rod is connected to the rack in a threaded manner, the lower end of the screw rod is rotatably assembled on the upper positioning seat, and the upper positioning seat is adjustable in position in the up-down direction by rotation of the screw rod.
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| CN202011012677.9A CN112563058B (en) | 2020-09-24 | 2020-09-24 | Contact seat assembly crimping frock |
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| CN202011012677.9A CN112563058B (en) | 2020-09-24 | 2020-09-24 | Contact seat assembly crimping frock |
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| CN112563058B CN112563058B (en) | 2023-04-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783831A (en) * | 2021-12-16 | 2022-07-22 | 河南平高电气股份有限公司 | Special frock of circuit breaker contact assembly |
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|---|---|
| CN112563058B (en) | 2023-04-18 |
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