CN206192562U - Contact terminate pressure detection device - Google Patents

Abstract

The utility model relates to a contact terminate pressure detection device's structure, including host computer framework 4, there is eave tile 1 at 4 upper surfaces of host computer framework middle part through threaded connection, and eave tile 1 is connected with the one end of colluding rope 17, colludes the other end of rope 17 and is connected with digital display push -pull effort meter 16, and host computer framework 4 all is provided with a through -hole in the both sides of eave tile 1, has cup jointed step axle 2 in the through -hole of 4 one sides of host computer framework, has cup jointed hexagonal axle 3 in the through -hole of 4 opposite sides of host computer framework. The utility model provides a measurement accuracy and the relatively poor problem of practicality that exist among the current contact terminate pressure detection device. Through the fillet transition between eave tile and the fixed head, the messenger colludes the rope can be arbitrary slip of eave tile department to guarantee that tensile force and horizontal direction are 30. In addition, the magnet steel of host computer framework bottom adsorbs the device on first screw and second screw, guarantees simultaneously that the moving contact in release any time, can not make detection device drop.

Description

A kind of contact final pressure force checking device

Technical field

The utility model belongs to contactor examination and test of products technical field, is related to a kind of contact final pressure force checking device.

Background technology

Contactor is a kind of electrical equipment suitable for being frequently switched on being controlled with disjunction main circuit and Large Copacity circuit at a distance, And continually in breaking course, the contact condition of contactor dynamic/static contact is contact force, contact force is particularly critical, can neither be mutual Too loose phenomenon, can not occur in the tension of pressure, and spring number of times increases when the closure of contact otherwise occurs, the excess of stroke is excessive, touches The situation of contact surface is lost because of collision for head.Therefore when electromagnetic touch dispatches from the factory inspection, contact end pressure is listed in very important One inspection project.Now, it is total according to substantial amounts of practical experience in addition to the end pressure that contact theoretically designs generation in itself Knot, contact end pressure is how many when, and spring least number of times of the contact in closure, the excess of stroke is the most suitable, strong according to these Data support to determine power between moving contact and static contact after closure.And existing detection method is needed when contactor dispatches from the factory Cumbersome inspection is carried out to moving contact, operating efficiency is relatively low, it is general to be measured using dynamic/static contact composition closed-loop path, it is this Metering system closed-loop path resistance susceptible, so that the accuracy of measurement result is influenceed, and practicality is poor.

Utility model content

The purpose of this utility model is to provide a kind of contact final pressure force checking device, solves existing contact end pressure inspection Survey measurement accuracy and the poor problem of practicality present in device.

The technical scheme that the utility model is used is, a kind of contact final pressure force checking device, including framework, main frame Framework upper surface middle part is provided with screwed hole, and eave tile is connected with screwed hole, and eave tile is connected with the one end for hooking rope, hooks the another of rope End is connected with digital displaying push-and-pull tensiometer, and the both sides of framework screwed hole are both provided with a through hole, the through hole of framework side Step Shaft is inside socketed with, six square shafts are socketed with the through hole of framework opposite side.

It is of the present utility model to be further characterized in that,

Wherein eave tile is cone, and the conical top of eave tile is connected with framework, and the conical top of eave tile is provided with outer spiral shell Line, external screw thread root is socketed with the first split washer, and the first split washer is in contact with framework surface, the conical bottom of eave tile Portion is connected with gland, the circular cone base area of the cross-sectional area not less than eave tile of gland.

Rectangular channel is wherein provided with the middle of the bottom of framework, rectangular channel extends along the width of framework, main frame Magnet steel is connected with the rectangular channel of framework, position corresponding with Step Shaft and six square shafts is all provided with rectangle respectively for framework bottom Groove.

Wherein Step Shaft is three-stage ledge structure, the diameter of the diameter not less than another two sections of Step Shaft interlude.

Wherein six square shafts are three-stage ledge structure, the diameter of the diameter not less than another two sections of six square shaft interludes, six sides The two ends section of axle is respectively cylindrical structure and hexagonal structure.

Pass through round-corner transition wherein between eave tile and gland.

Wherein one end of Step Shaft passes through framework, and it passes through the extension outside of framework one end to be provided with ring Shape draw-in groove, is socketed the second split washer at annular slot, the second split washer is in contact with framework surface, under Step Shaft End is outer to be cased with the first screw, and the first screw is in contact with framework bottom surface.

Wherein the cylindrical section of six square shafts passes through framework, six square shaft cylindrical sections to stretch out one end and the plectrum of framework One end is socketed, and the other end of plectrum is connected with guide rod, and six square shaft cylindrical sections are provided with ring through the extension outside of plectrum one end Shape draw-in groove, is socketed the 3rd split washer at annular slot, the 3rd split washer is in contact with plectrum surface, outside the lower end of six square shafts The second screw is cased with, the second screw is in contact with framework bottom surface.

Wherein the top surface of the first screw and the second screw is provided with interior hexagonal hole, and the first screw and the second screw pass through respectively Interior hexagonal hole is connected with Step Shaft and six square shafts, and one end that the first screw and the second screw are not connected with Step Shaft and six square shafts sets There is external screw thread, two ends external screw thread root is all socketed with the first packing ring and second packing ring, and the first packing ring is near framework.

Wherein guide rod is connected by wire clamp with break-make device.

The beneficial effects of the utility model are to solve measurement accuracy present in existing contact final pressure force checking device The problem poor with practicality.The simple structure energy of framework, Step Shaft, six square shafts, the first screw and the second screw composition Enough carry out the detection of contact end pressure.The setting of the second split washer and the 3rd split washer can limit Step Shaft and six square shafts System is in two holes of framework.The hexagonal structure of six square shaft lower ends ensure that it correctly coordinates with the second screw, while Step Shaft is set smoothly correctly to coordinate with the first screw.By round-corner transition between eave tile and gland, hook rope is set to exist Arbitrarily slided at eave tile such that it is able to ensure that tensile force is in 30 ° with horizontal direction.In addition, the magnet steel of framework bottom is produced Magnetic force by the device adsorb on the first screw and the second screw, while ensure moving contact discharge at any time, not Final pressure force checking device can be made to drop.

Brief description of the drawings

Fig. 1 is a kind of structural representation of contact final pressure force checking device of the utility model；

Fig. 2 is a kind of structural representation of the use state of contact final pressure force checking device of the utility model；

Fig. 3 is a kind of schematic diagram of the test philosophy of contact final pressure force checking device of the utility model.

In figure, 1. eave tile, 2. Step Shaft, 3. six square shaft, 4. framework, 5. the first screw, 6. the second screw, 7. magnetic Steel, 8. the first split washer, 9. the second split washer, 10. the 3rd split washer, 11. plectrums, 12. guide rods, 13. glands, 14. first packing rings, 15. second packing rings, 16. digital displaying push-and-pull tensiometers, 17. hook rope, 18. break-make devices.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

A kind of structure of contact final pressure force checking device of the utility model, as shown in figure 1, including framework 4, main machine frame The upper surface middle part of frame 4 is provided with screwed hole, and eave tile 1 is connected with screwed hole, and the both sides of the screwed hole of framework 4 are both provided with one Individual through hole, is socketed with Step Shaft 2 in the through hole of the side of framework 4, six square shafts are socketed with the through hole of the opposite side of framework 4 3。

Rectangular channel is provided with the middle of the bottom of framework 4, rectangular channel extends along the width of framework 4, main machine frame Magnet steel 7 is connected with the rectangular channel of frame 4, the bottom of framework 4 is provided with square with the corresponding position of 2 and six square shaft of Step Shaft 3 respectively Shape groove.

Step Shaft 2 is three-stage ledge structure, the diameter of the diameter not less than another two sections of the interlude of Step Shaft 2, Step Shaft 2 One end passes through framework 4, and it passes through the extension outside of the one end of framework 4 to be provided with annular slot, at annular slot The second split washer 9 is socketed, the second split washer 9 is in contact with the surface of framework 4, and first is cased with outside the lower end of Step Shaft 2 Screw 5, the first screw 5 is in contact with the bottom surface of framework 4.

Six square shafts 3 are three-stage ledge structure, the diameter of the diameter not less than another two sections of the interlude of six square shaft 3, six square shafts 3 Two ends section be respectively cylindrical structure and hexagonal structure, the cylindrical section of six square shafts 3 passes through framework 4, six square shafts 3 to stretch out main frame One end of framework 4 is socketed with one end of plectrum 11, and guide rod 12 is connected with the other end of plectrum 11, and guide rod 12 passes through wire clamp and leads to Disconnected device 18 is connected, and the extension outside through the one end of plectrum 11 of six square shafts 3 is provided with annular slot, the annular snap of six square shafts 3 The 3rd split washer 10 is socketed at groove, the 3rd split washer 10 is in contact with the surface of plectrum 11, the lower outer of six square shafts 3 is cased with second Screw 6, the second screw 6 is in contact with the bottom surface of framework 4.

The top surface of the first screw 5 and the second screw 6 is provided with interior hexagonal hole, and the first screw 5 and the second screw 6 pass through respectively Interior hexagonal hole is connected with the square shaft 3 of Step Shaft 2 and six, what the first screw 5 and the second screw 6 were not connected with the square shaft 3 of Step Shaft 2 and six One end is provided with external screw thread, and two ends external screw thread root is socketed with the first packing ring 14 and second packing ring 15, and the first packing ring 14 is near main frame Framework 4.

A kind of structure of the use state of contact final pressure force checking device of the utility model, as shown in Fig. 2 eave tile 1 and hook One end connection of rope 17, the other end for hooking rope 17 is connected with digital displaying push-and-pull tensiometer 16, and eave tile 1 is cone, conical top and master Mechanism rack 4 is connected, and the conical top of eave tile 1 is provided with external screw thread, and external screw thread root is socketed with the first split washer 8, the first opening Back-up ring 8 is in contact with the surface of framework 4, and the conical base of eave tile 1 is connected with gland 13, and the cross-sectional area of gland 13 is not Less than the circular cone base area of eave tile 1.

Its application method is first, to assemble detection means, by the logical of cylindrical end insertion framework 4 side of six square shafts 3 In hole, then will be socketed on six square shafts 3 with the plectrum 11 of guide rod 12, then by the 3rd split washer 10 along six square shafts 3 ring Shape draw-in groove is installed, to prevent six square shafts 3 from moving up and down.The one end of Step Shaft 2 is inserted in the through hole of the side of framework 4, then Second split washer 9 is installed along the annular slot of Step Shaft 2, to prevent Step Shaft 2 from moving up and down.By eave tile 1 along main machine frame The upper surface middle part of frame 4 is provided with screwed hole installation, and installs the first split washer 8 additional.

Secondly, the first screw 5 and the second screw 6 are put into two holes of moving contact to be detected, and in the first spiral shell The first packing ring 14 and second packing ring 15 are installed between the 5, second screw 6 of nail and moving contact.Then, the detection dress for assembling will be installed Put, concretely comprise the following steps, the detection means that will be assembled is placed on the first screw 5 and the second screw 6, stir guide rod 12, drive and dial Piece 11, in six square shafts 3 and Step Shaft 2 is inserted the interior hexagonal hole of the first screw 5 and the nut of the second screw 6, framework 4 therewith 7 pairs of the first screws 5 of magnet steel and the second screw 6 of bottom produce suction, the detection means is promptly adsorbed on movable contact block Face.

Again, detected, the hook rope of digital displaying push-and-pull tensiometer 16 17 is enclosed within the gland 13 of eave tile 1, and by break-make Two wire clamps of device 18 are clipped on the guide rod 12 and fixed contact pedestal fixing screws of the present apparatus respectively, then by eave tile 1 along with level Face carries out drawing in 30 ° of direction.

A kind of test philosophy of contact final pressure force checking device of the utility model, as shown in figure 3, when along horizontal by When 30 ° of direction is stretched, the lower surface of framework 4 is contacted with the socket cap upper surface of the second screw 6, six square shafts 3 lower section and the interior hexagonal hole bottom contact point 22 of the second screw 6, then, it is branch that now mechanism is just equivalent to one to put 21 Point, tensile force will be overturn contact final pressure force checking device, but point 22 prevents the upset of the device, so in stretching Under power effect, the device would not depart from the second screw 6.Similarly the screw 5 of Step Shaft 2 and first also generates same effect. And then tensile force is delivered to by moving contact by Step Shaft 2, six square shafts 3, the first screw 5 and the second screw 6, it is thus dynamic to detect The end pressure of contact.

Finally, reading is carried out, when dynamic/static contact is separated, break-make device 18 produces buzzing acoustic alarm, now reads digital display and push away The peak value that is shown at the peak value of tensiometer 16 is simultaneously recorded, the as end pressure of moving contact.Then, the end pressure for being specified according to product enters Row judges whether contact end pressure is up to standard.

A kind of contact final pressure force checking device of the utility model, solves present in existing contact final pressure force checking device Measurement accuracy and the poor problem of practicality.Framework, Step Shaft, six square shafts, the first screw and the second screw composition Simple structure can carry out the detection of contact end pressure.The setting of the second split washer and the 3rd split washer can be by Step Shaft It is limited in two holes of framework with six square shafts.The hexagonal structure of six square shaft lower ends ensure that it is correct with the second screw Coordinate, while enabling Step Shaft smoothly correctly to coordinate with the first screw.By round-corner transition between eave tile and gland, make hook Rope can arbitrarily be slided at eave tile such that it is able to ensure that tensile force is in 30 ° with horizontal direction.In addition, framework bottom The magnetic force that magnet steel is produced adsorbs on the first screw and the second screw the device, while ensureing that moving contact is released at any time Put, dropped all without final pressure force checking device is made.

Claims (9)

1. a kind of contact final pressure force checking device, it is characterised in that：Including framework (4), framework (4) upper surface Middle part is provided with screwed hole, and eave tile (1) is connected with screwed hole, and the eave tile (1) is connected with the one end for hooking rope (17), the hook The other end of rope (17) is connected with digital displaying push-and-pull tensiometer (16), and the both sides of framework (4) screwed hole are both provided with one Through hole, is socketed with Step Shaft (2), in the through hole of framework (4) opposite side in the through hole of framework (4) side It is socketed with six square shafts (3).

2. a kind of contact final pressure force checking device according to claim 1, it is characterised in that：The eave tile (1) is circular cone Shape, the conical top of the eave tile (1) is connected with framework (4), and the conical top of the eave tile (1) is provided with external screw thread, outward Thread root is socketed with the first split washer (8), and first split washer (8) is in contact with the framework (4) surface, The conical base of the eave tile (1) is connected with gland (13), and the cross-sectional area of the gland (13) is not less than the eave tile (1) circular cone base area.

3. a kind of contact final pressure force checking device according to claim 1, it is characterised in that：The framework (4) Rectangular channel is provided with the middle of bottom, the rectangular channel extends along the width of framework (4), the square of the framework (4) Magnet steel (7) is connected with shape groove, position corresponding with Step Shaft (2) and six square shafts (3) is opened respectively for framework (4) bottom There is rectangular channel.

4. a kind of contact final pressure force checking device according to claim 1, it is characterised in that：The Step Shaft (2) is three Segmentation ledge structure, the diameter of the diameter not less than another two sections of Step Shaft (2) interlude；Six square shaft (3) is three sections Formula ledge structure, the diameter of the diameter not less than another two sections of six square shaft (3) interlude, the two ends section of six square shaft (3) Respectively cylindrical structure and hexagonal structure.

5. a kind of contact final pressure force checking device according to claim 2, it is characterised in that：The eave tile (1) and described Pass through round-corner transition between gland (13).

6. a kind of contact final pressure force checking device according to claim 4, it is characterised in that：The one of the Step Shaft (2) End is through framework (4), and it passes through the extension outside of framework (4) one end to be provided with annular slot, annular slot Place's the second split washer of socket (9), second split washer (9) is in contact with the framework (4) surface, the step The first screw (5) is cased with outside the lower end of axle (2), the first screw (5) is in contact with framework (4) bottom surface.

7. a kind of contact final pressure force checking device according to claim 6, it is characterised in that：The circle of six square shaft (3) Shell of column passes through framework (4), six square shaft (3) cylindrical section to stretch out one end of framework (4) and one end of plectrum (11) Socket, the other end of the plectrum (11) is connected with guide rod (12), and six square shaft (3) cylindrical section passes through plectrum (11) one end Extension outside is provided with annular slot, and the 3rd split washer (10), the 3rd split washer (10) are socketed at annular slot It is in contact with plectrum (11) surface, the second screw (6), the second screw (6) and main machine frame is cased with outside the lower end of six square shaft (3) Frame (4) bottom surface is in contact.

8. a kind of contact final pressure force checking device according to claim 7, it is characterised in that：First screw (5) and The top surface of second screw (6) is provided with interior hexagonal hole, and first screw (5) and second screw (6) pass through respectively Interior hexagonal hole is connected with Step Shaft (2) and six square shafts (3), first screw (5) and second screw (6) not with Step Shaft (2) and one end of six square shafts (3) connection is provided with external screw thread, two ends external screw thread root is all socketed with the first packing ring (14) and second and pads Circle (15), the first packing ring (14) is near framework (4).

9. a kind of contact final pressure force checking device according to claim 7, it is characterised in that：The guide rod (12) is by line Folder is connected with break-make device (18).