CN208272570U - Fixation device for busway inserting case and the grafting box assembly including it - Google Patents

Abstract

The utility model provides a kind of fixation device for busway inserting case and a kind of grafting box assembly including it.The fixation device is used to busway inserting case being fixed to bus duct, and includes: fixed frame；Drive rod；And first clamp system and the second clamp system, the two sides of drive rod are set；Wherein, the first clamp system includes: the first clamping element, and fixed frame is articulated at first connection place around the first pivot axis；First drive rod is articulated in fixed frame around the second pivot axis, and one end is connected to drive rod；Second drive rod, is connected to the other end of the first drive rod at the second interface, and the other end is connected to the first clamping element at third interface；Wherein, the first clamp system of driven in translation and the second clamp system of drive rod, so that fixed device is converted between clamped condition and release conditions.The fixation device is especially suitable for the bus duct with variable cover height.

Description

Fixation device for busway inserting case and the grafting box assembly including it

Technical field

The utility model relates to a kind of fixed devices, particularly, are related to a kind of for busway inserting case to be fixed to mother The fixation device of wire casing.

Background technique

A functional unit of the jack box as power transmission busbar plays electric energy distribution in bus duct system.With Requirement of the busway product to performance, reliability it is higher and higher, jack box wants safe and reliable property and ease-to-operate Ask also higher and higher.After jack box is installed to bus duct, fixed device is set, for ensuring being reliably connected for the two.Grafting Whether it is reliably connected between case and bus duct and determines that can jack box run reliably and with long-term and safely.

In general, the fixation device of jack box is commonly used in the fixed bus duct system of body height, it is difficult to can for having Become the bus duct system of body height.For the bus duct system that body height can be changed, generallys use various sizes of anchor ear and make Jack box is fixed on bus duct for fixed device, still, the bus duct of different housings height is needed to design different Anchor ear, at high cost, installation inconvenience.In addition, this fixed device lacks safety interaction mechanism, in the feelings that jack box is not completely fixed Under condition, also allow Operation switch, thus there are security risks.

Utility model content

In order to solve the problems in the existing technology, the purpose of this utility model is to provide a kind of for jack box Fixed device, it is suitable for the bus ducts with variable cover height, and have lock bolt, to make jack box completely not solid In the case where fixed, No switching on operation.

The utility model relates in one aspect to a kind of fixation device for busway inserting case, is used to insert bus duct Case is connect fixed to bus duct, the fixed device includes: fixed frame, is fixed on jack box or is formed as the one of the jack box Part；Drive rod is supported and can be translated relative to fixed frame by fixed frame；And first clamp system and second clamp The two sides of drive rod are arranged in mechanism, the first clamp system and the second clamp system, to clamp bus duct in two sides respectively.Its In, the first clamp system includes: the first clamping element, and fixed frame is articulated at first connection place around the first pivot axis；The One drive rod is articulated in fixed frame around the second pivot axis, and one end is connected to drive rod；And second drive rod, One end is connected to the other end of the first drive rod at the second interface, and its other end is connected at third interface First clamping element.Wherein, the translation of drive rod drives the pivot of the first clamping element simultaneously via the first drive rod and the second drive rod And the second clamp system of driven in translation of drive rod, so that fixed device is converted between clamped condition and release conditions.

Preferably, when fixed device is in clamped condition, the first clamping surface of the first clamping element is located at first and clamps One fixed part of position, the first clamping surface and fixed device limits the first clamping space, the corresponding portion of the first of bus duct Divide and is clamped in the first clamping space；When fixed device is in release conditions, the first clamping surface leaves the first clamping position It sets.

Since the first clamping element is driven via the first drive rod and the second drive rod, the first clamping element can be in drive rod Driving under pivot greater angle, further, in locking state, the first clamping surface can always with bus groove case Lower protrusion keeps plumbness.Therefore, fixed device is suitable for the busway inserting case of variable height.

Preferably, when fixed device is in clamped condition, first connection place, the second interface and third interface are determined Position is located at the second interface and the at making vertical point of the first connection place relative to the line of the second interface and third interface Between three interfaces；When fixed device is in release conditions, first connection place, the second interface and third interface are positioned At making vertical point of the first connection place relative to the line of the second interface and third interface be located at the second interface and third Interface it is ipsilateral.

It is positioned such that first connection place, the second interface and third interface can allow for the first clamping element to pivot big angle Degree.

Preferably, when fixed device is in locking state, third interface is relative to the second interface further from driving Bar.

It is positioned such that the second interface and third interface can save space.

Preferably, one end of the second drive rod is pivotally attached to the other end of the first drive rod, the other end pivot of the second drive rod It is connected to the first clamping element.

Preferably, the second drive rod of driven in translation of drive rod with translated in the opposite direction of the translation of drive rod.

Preferably, the first elongate slots are arranged in drive rod, and the first pin fixed to fixed frame is matched with the first elongate slots It closes, so that the guidance driving of the first elongate slots is by the translation relative to fixed frame.

Preferably, the second elongate slots are arranged in one end of the first drive rod, the 4th pin fixed to drive rod and Two elongate slots cooperation, so that one end of the first drive rod is connected to drive rod.

Preferably, the translation direction of drive rod is towards or away from the direction of bus duct.

Preferably, the second clamp system includes substantially at the second hook-shaped clamping element, and the second clamping element is around third pivotal axis Line is articulated in fixed frame and including the first extension and the second extension, and one end of the first extension is connected to drive rod, the Two extensions extend at L-shapedly from the first extension, the second clamping surface of the second clamping element from the second extension angularly Extend, the first extension and the second extension are connected at third pivot axis.

Preferably, when fixed device is in clamped condition, the second clamping surface is located at the second clamped position, and second clamps The part of another fixation of surface and fixed device limits the second clamping space, and the second corresponding portion of bus duct is clamped at the In two clamping spaces；When fixed device is in release conditions, the second clamping surface leaves the second clamped position.

Preferably, third long slot hole is arranged in one end of the first extension, the 6th pin fixed to drive rod and Two elongate slots cooperation, so that one end of the first extension is connected to drive rod.

Preferably, fixed device further includes lock bolt, is supported by fixed frame, and the driven in translation lock bolt of drive rod is pivoted or put down It moves.When fixed device is in release conditions, a part of lock bolt is more than the edge of the box opening of jack box to hinder grafting The closing of the door of case；When fixed device is in clamped condition, lock bolt is entirely located on the inside of the edge of the box opening of jack box.

By the way that the movement of lock bolt, the first clamp system and the second clamp system is linked, can guarantee jack box not It is completely installed to not can be carried out closing operation when bus groove case, guarantees the safety of operator.

Preferably, fixed device further includes third drive rod, is articulated in fixed frame and third around the 4th pivot axis One end of drive rod is connected to drive rod, and the other end of third drive rod is connected to lock bolt, and drive rod drives via third drive rod Dynamic lock bolt with translated in the opposite direction of the translation of drive rod.

Preferably, fixed device further includes guiding piece, and guiding piece is for the guide hole and bus duct in fixed frame In corresponding aperture.

Guiding piece can aid in the suitable orientation being adjusted to jack box relative to bus duct.

Preferably, the direction of the axis of guide hole and the translation direction of drive rod are identical.

Preferably, the fixed frame is the side body of the jack box.

The utility model further relates to a kind of grafting box assembly comprising jack box and foregoing fixed device.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the perspective view of fixed device according to an embodiment of the present disclosure；

Fig. 2 is the sectional view of fixed device and its bus duct to be fixed to according to an embodiment of the present disclosure, wherein Fixed device is in release conditions；

Fig. 3 is the sectional view of fixed device and its bus duct to be fixed to according to an embodiment of the present disclosure, wherein Fixed device is in clamped condition and bus duct is in its minimum constructive height；

Fig. 4 is the sectional view of fixed device and its bus duct to be fixed to according to an embodiment of the present disclosure, wherein Fixed device is in clamped condition and bus duct is in its maximum height；

Fig. 5 is the sectional view of fixation device and its bus duct to be fixed to according to another embodiment of the present disclosure, Wherein, fixed device is in clamped condition；

Fig. 6 is the sectional view of the fixation device and its bus duct to be fixed to according to the another embodiment of the disclosure, Wherein, fixed device is in clamped condition.

Specific embodiment

In the following, the fixation device of embodiment according to the present utility model is described in detail with reference to the drawings.To make the utility model The purposes, technical schemes and advantages of embodiment are clearer, and the following will be combined with the drawings in the embodiments of the present invention, to this reality It is clearly and completely described with the technical solution in new embodiment, it is clear that described embodiment is the utility model one Section Example, instead of all the embodiments.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in conjunction with attached drawing below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "inner", "outside" etc. The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Fig. 1 is the perspective view of fixed device according to an embodiment of the present disclosure.Referring to Fig. 1, the fixation device packet of jack box Include fixed frame 1, driving bolt 2, drive rod 3, be arranged in drive rod 3 two sides the first clamp system and the second clamp system, Lock bolt 8, third drive rod 9 and guiding piece 10, the first clamp system include the first clamping element 4, the first drive rod 6 and the second biography Lever 7, the second clamp system include the second clamping element 5.Drive rod 3, the first clamping element 4, the second clamping element 5, the first drive rod 6, the second drive rod 7, lock bolt 8 and third drive rod 9 are supported by fixed frame 1.

In one example, fixed frame 1 can be the side body of jack box, i.e. fixed frame 1 is formed as one of jack box Point.Fixed frame 1 includes the fixed frame ontology that is disposed generally in a plane, with this body by integral forming of fixed frame and from fixed frame Ontology protruding portion 101 outstanding is fixed to fixed frame ontology and from fixed frame ontology L-shaped fixing piece vertically outstanding 102.Protruding portion 101 is also possible to individual part, and is fixed to fixed frame ontology.Also, fixing piece 102 can also be with fixation This body by integral forming of frame.In another example, fixed frame 1 is also possible to be fixed on the individual component of jack box.

Protruding portion 101 includes being mutually perpendicular to at L-shaped parallel extending portions and vertical extension.Parallel extending portions Extend from fixed frame ontology, in other words, parallel extending portions extend fixed frame ontology.Vertical extension is perpendicular to fixed frame Ontology is prominent.Similarly, fixing piece 102 includes being parallel to the parallel extending portions of fixed frame ontology and perpendicular to fixed frame ontology Vertical extension.Fixing piece 102 is fixed to fixed frame ontology (for example, parallel extending portions via its parallel extending portions It is welded to fixed frame ontology).

Guide hole is arranged in the vertical extension of protruding portion 101.The case where jack box is mounted to bus duct 11 Under, the vertical extension of protruding portion 101 is configured to neighbouring with a side body wall 111 with corresponding aperture of bus duct 11 And it is opposite.Therefore, the corresponding aperture that guiding piece 10 is inserted into guide hole and is arranged in the side body wall 111 of bus duct 11, with Jack box is guided to be fixed to bus duct 11 with correct position and orientation.As shown in Figure 1, in one example, guiding piece 10 One end can be fixed to the vertical extension of protruding portion 101.In one example, guiding piece 10 can be pin.

First drive hole 103 is arranged in the vertical extension of fixing piece 102.First drive hole 103 includes the first son Hole, the second sub-aperture and the connection through portion for being connected to the first sub-aperture and the second sub-aperture.Drive rod 3 includes vertical stretch, drive rod 3 vertical stretch perpendicular to driving bar body and after drive rod 3 is mounted to fixed frame 1 perpendicular to fixed frame ontology Extend.The vertical stretch of drive rod 3 is provided with the second drive hole 301.Driving bolt 2 includes having threaded shank of bolt thereon 201, bolt head 202 and step cutting pattern 203, bolt head 202 and step cutting pattern 203 are spaced on the extending direction of shank of bolt 201 It opens.Second sub-aperture of the driving bolt 2 in the vertical stretch of fixing piece 102, the one of the vertical stretch of fixing piece 102 Part be sandwiched between step cutting pattern 203 and bolt head 202, prevent driving bolt 2 from relative to fixing piece 102 in bolt It is moved on the extending direction of bar 201.Being dimensioned so as to of second sub-aperture prevents bolt head 202 and step cutting pattern 203 from passing through, the At least one of bolt head 202 and step cutting pattern 203 of being dimensioned so as to allow of one sub-aperture passes through, and the first sub-aperture, the The size of two sub-aperture and connection through portion is both designed to that shank of bolt 201 is allowed to pass through.Driving bolt 2 so is first inserted into first Sub-aperture moves the part between step cutting pattern 203 and bolt head 202 of shank of bolt 201 via connection through portion It moves into the second sub-aperture, so that a part of the vertical stretch of fixing piece 102 is sandwiched between step cutting pattern 203 and bolt head Between 202.After completing installation of the drive rod 3 to fixed frame 1, driving bolt 2 also extends through the second drive hole 301, and round Step 203 is between bolt head 202 and the vertical stretch of drive rod 3.It is provided with internal screw thread in second drive hole 301, it should The external screw thread of internal screw thread and shank of bolt 201 cooperates.Since the step cutting pattern 203 and bolt head 202 of driving bolt 2 prevent drive Dynamic translation of the bolt 2 relative to fixing piece 102 on the extending direction of shank of bolt 201, passes through the interior spiral shell in the second drive hole 301 The rotary motion of externally threaded cooperation on line and shank of bolt 201, driving bolt 2 will lead to the translational motion of drive rod 3, translation The direction of movement is that the bus duct that will be affixed to also is directed towards the bus duct depending on internal screw thread and outer spiral shell far from jack box The rotation direction of line and the direction of rotation for driving bolt 2.

As shown in Figure 1, drive rod 3 has two the first elongate slots 302 extended in the same direction.In other examples In, the quantity of the first elongate slots 302 of drive rod 3 can for one, three or more.Correspondingly, two the first pins 12 It is fixed on fixed frame ontology, and this two the first pins 12 are inserted into two the first elongate slots 302 of drive rod 3 respectively, with branch Support drive rod 3 and the translation for making the first elongate slots 302 guidance drive rod 3.When the first elongate slots 302 are one, two the One pin 12 can cooperate with same first elongate slots 302.In other examples, for example, it can be two the first pins 12 are fixed on drive rod 3, and there are two the first elongate slots 302, this two the first pins 12 to divide for setting in fixed frame ontology It Cha Ru not two the first elongate slots 302.First elongate slots 302 can be perforation or non-through.In this example, One elongate slots 302 are perforation, and the first pin 12 can be step pin.In other examples, for example, drive rod 3 The first sliding rail can be set, and the second sliding rail with the cooperation of the first sliding rail can be set in fixed frame ontology.

First clamping element 4 by the second pin 13 be articulated at first connection place fixed frame ontology close lower edge and The part of one side edge, the side edge are more leaned on when jack box is installed to bus duct 11 relative to another side edge corresponding thereto Nearly bus duct 11.First clamping element 4 is connected to drive rod 3 via the first drive rod 6 and the second drive rod 7, so that drive rod 3 Translational motion be converted to the first clamping element 4 around the pivoting action of the first pivot axis.

When fixed device is in clamped condition, the first clamping face 401 of the first clamping element 4 is located at the first clamped position, One fixed part of the first clamping surface 401 and fixed device limits the first clamping space 402, the side body of bus duct 11 The lower protrusion 112 of wall 111 is clamped in the first clamping space 402.When fixed device is in release conditions, first Clamping surface 401 pivots away from the first clamped position around the first pivot axis by the first clamping element 4, so that bus duct The lower protrusion 112 of 11 side body wall 111 is free into and out the first clamping space 402.

Second drive rod 7 is connected in drive rod 3, and the first drive rod 6 is connected between drive rod 3 and the first clamping element 4, makes The translational motion for obtaining drive rod 3 is converted to the pivoting action of the first clamping element 4.

As shown in Figs 1-4, the first drive rod 6 is articulated in fixed frame 1 around the second pivot axis by third pin 14, and And first one end of drive rod 6 couple with drive rod 3.For example, the first drive rod 6 is being provided with the second length at one end Shape slot 601, the 4th pin 15 be fixed to drive rod 3 middle part, the 4th pin 15 be inserted into second elongate slots 601 with Cooperate with second elongate slots 601, so that one end of the first drive rod 6 is moved with the translational motion of drive rod 3.To drive The translational motion of lever 3 can be converted to the pivoting action around the second pivot axis of the first drive rod 6.

First drive rod 6 and the other end at the second interface with one end of the second drive rod 7 be pivotally connected, the second drive rod 7 other end is pivotally connected at third interface with the first clamping element 4.First drive rod 6, the second drive rod 7 and the first clamping element 4 constitute four-bar mechanism, so that the first clamping element 4 moves pivotally with the pivoting action of the first drive rod 6.

As shown in Figure 3,4, when fixed device is in clamped condition, first connection place, the second interface and third connection Point is positioned such that first connection place is located at the second connection relative to the vertical point of the line of the second interface and third interface Between point and third interface.As shown in Fig. 2, when fixed device is in release conditions, first connection place, the second interface and Third interface is positioned such that first connection place is located at relative to the vertical point of the line of the second interface and third interface Second interface and third interface it is ipsilateral.

It is big to be positioned such that first connection place, the second interface and third interface can allow for the first clamping element 4 to pivot Angle.In this way, fixed device is in clamped condition and release conditions, first connection place, the second interface and third interface divide It is not positioned in, wherein these three interfaces are in same straight line and first connection place is located at the second interface and third interface Between a limit activation point and wherein these three interfaces are in same straight line and first connection place is located at the second connection Two positions respectively close to the two limit activation points between point and the ipsilateral another limit activation point of third interface It sets.Therefore, the translational motion of drive rod 3 can make the first clamping element 4 pivot big angle around the first pivot axis, such as 90°。

Fig. 2-4 is the sectional view of fixed device according to an embodiment of the present disclosure He its bus duct 11 to be fixed to. In Fig. 2, fixed device is in release conditions, and in Fig. 3, fixed device is in clamped condition and bus duct 11 is in it most Low height H_min, in Fig. 4, fixed device is in clamped condition and bus duct 11 is in its maximum height H_max.It can by Fig. 2-4 To find out, since the translational motion of drive rod 3 can make the first clamping element 4 pivot big angle around the second pivot axis, so When fixed device is in release conditions, either for being in maximum height H_maxBus duct 11 still in minimum Height H_minBus duct 11, the lower protrusion 112 of the side body wall 111 of bus duct 11 be free into and out First clamping space 402, also, when fixed device is in clamped condition, the lower protruding portion of the side body wall 111 of bus duct 11 112 are divided can be steadily clamped in the first clamping space 402.

In addition, when fixed device is in locking state, third interface relative to the second interface further from drive rod, That is, third interface is in the lower section of the second interface.This makes the space hold of fixed device small.

In one embodiment, the second clamp system may be configured to similar with the first clamp system, and can be with One clamp system is identical and is symmetrical arranged relative to drive rod 3.

In embodiment as shown in Figs 1-4, the second clamp system then includes the second clamping element 5.Second clamping element 5 passes through 5th pin 16 is articulated in the close top edge and the part of one side edge of fixed frame ontology.Second clamping element 5 is connected to driving Bar 3, so that the translational motion of drive rod 3 is converted to the second clamping element 5 around the pivoting action of third pivot axis.

Second clamping element 5 substantially hook-type, including the first extension and the second extension.First extension and second extends Portion connects substantially at third pivot axis.One end of first extension is connected to drive rod 3, and the second extension prolongs from first Extending portion extends at L-shapedly, and the second clamping surface 501 angularly extends from the second extension, which is, for example, substantially 90 degree. When fixed device is in clamped condition, the second clamping surface 501 of the second clamping element 5 is located at the second clamped position, the second folder The part of another fixation of tight surface 501 and fixed device limits the second clamping space 502, the side body wall 111 of bus duct 11 Upper protrusion 113 be clamped in the second clamping space 502.When fixed device is in release conditions, pass through the second folder Tight part 5 is around the pivot of third pivot axis, and the second clamping surface 501 leaves the second clamped position, so that the side shell of bus duct 11 The upper protrusion 113 of body wall 111 is free into and out the second clamping space 502.

First extension is provided with third elongate slots 503 in its free end, and the 6th of the end fixed to drive rod 3 the Pin 17 is inserted into the third elongate slots 503, to cooperate with third elongate slots 503, so that the free end of the second extension is with driving The translational motion of bar 3 and move.To which the translational motion of drive rod 3 can be converted to the pivoting action of the second clamping element 5.? In other embodiments, third elongate slots 503 be can be set in drive rod 3, and the 6th pin cooperated with third elongate slots 503 Nail 17 can be set at one end of drive rod 3.In addition, in other examples, the second clamping element 5 may be other shapes.

Lock bolt 8 is connected to drive rod 3 via third drive rod 9, so that the translational motion of drive rod 3 is converted to lock bolt 8 Translational motion.

As shown in Figs 1-4, two the 4th elongate slots 801 are set to lock bolt 8, and two fixed to fixed frame ontology the 7th sell Two the 4th elongate slots 801 of nail 18 and this cooperate, and lock bolt 8 are translated relative to fixed frame ontology, wherein two the 4th The extending direction of elongate slots 801 is identical as the translation direction of lock bolt 8.

Third drive rod 9 is articulated in fixed frame 1 around the 4th pivot axis via the 8th pin 19.Also, third drive rod 9 One end couple with drive rod 3.The 9th pin 20 insertion at the other end fixed to drive rod 3 is arranged in third drive rod 9 The 5th elongate slots 901 at one end, and cooperate with the 5th elongate slots 901, so that the translational motion of drive rod 3 is converted to the The pivoting action of three drive rods 9.The other end of third drive rod 9 couples with lock bolt 8, and the setting of the 6th elongate slots 902 is passed in third At the other end of lever 9, the tenth pin 21 fixed to lock bolt 8 is inserted into the 6th elongate slots being arranged in third drive rod 9 902, and cooperate with the 6th elongate slots 902, so that the translational motion for being converted to lock bolt 8 of third drive rod 9.

Jack box is provided with the box opening and door of jack box in the side close to lock bolt 8, and door can open and close slotting Connect the box opening of case.In general, cannot achieve closing operation in the case where door is not turned off.That is, only at door In the case of closing, closing operation just can be carried out.When fixed device is in clamped condition, lock bolt 8 is entirely located in jack box Opening edge on the inside of, as shown in Fig. 1,3,4.When fixed device is in release conditions, a part of lock bolt 8 is more than to insert The edge of the opening of case is connect, to hinder the closing of the door of jack box, as shown in Figure 2.In this way, only working as fixed device for jack box When being secured in position, staff could operate the combined floodgate of jack box, to guarantee the safety of operation.

Drive rod 3 links the pivoting action of the pivoting action of the second clamping element 5, the first clamping element 4.Therefore, as long as behaviour Make the side body wall 111 that drive rod 3 can make the second clamping element 5 and the first clamping element 4 simultaneously clamp on or discharge bus duct 11 Corresponding protrusion 112,113.Drive rod 3 also by the pivoting action of the pivoting action of the second clamping element 5, the first clamping element 4 with And the translation or pivoting action linkage of lock bolt 8.Therefore, as long as operation drive rod 3 can be so that fix the clamped condition of device With release conditions respectively with the door of jack box can closed state and can not closed state it is associated, and then prevent from arriving in jack box The installation of bus duct 11 operates jack box when not completing.

Second embodiment according to the present utility model is described below.For ease of description, it will partly omit and Fig. 1-4 Shown in embodiment it is identical or can easily from the embodiment understand fixation device the embodiment description.Such as Fig. 5 institute Show, the first clamping element 4 ' pivots at first connection place around the first pivot axis.First drive rod 6 ' is around the second pivot axis pivot It is connected to fixed frame 1 ', and one end of the first drive rod 6 is connected to drive rod 3 ', the other end is connected at the second interface Two drive rods 7, so that the translational motion of drive rod 3 ' is converted to the translational motion of the second drive rod 7 ' by the first drive rod 6 '. First clamping element 4 ' is connected to 7 ' one end of the second drive rod at third interface, so that the first clamping element 4 ' is with the second transmission The translation of bar 7 ' and pivot.In addition, the translation direction of the second drive rod 7 ' is opposite with the translation direction of drive rod.

Specifically, consistent two the 7th elongate slots 701 ' of direction of translatory motion of extending direction and the second drive rod 7 ' are set It sets in the second drive rod 7 ', the 11st pin 22 ' of two fixed to fixed frame 1 is inserted into two the 7th elongate slots 701 ', And cooperate respectively with two the 7th elongate slots 701 ', so that the 7th elongate slots 701 ' guide the second drive rod 7 ' relative to solid Determine the translation of frame 1 '.8th elongate slots 601 ' are arranged in the other end of the first drive rod 6 ', fixed to the second drive rod 7 12nd pin 23 ' is inserted into the 8th elongate slots 601 ', and cooperates with the 8th elongated 601 ' slot, so that the first drive rod 6 ' The other end couple at the second interface with the second drive rod 7.One end of the second drive rod 7 is arranged in 9th elongate slots 702 ' In, the 13rd pin 24 ' fixed to the first clamping element 4 is inserted into the 9th elongate slots 701 ', so that one end of the second drive rod 7 Couple at third interface with the first clamping element 4, the extending direction of the 9th elongate slots 702 ' can be perpendicular to the second transmission The translation direction of bar 7 '.

3rd embodiment according to the present utility model is described below.For ease of description, it will partly omit and Fig. 1-4 Shown in embodiment it is identical or can easily from the embodiment understand fixation device the embodiment description.Such as Fig. 6 institute Show, lock bolt 8 " is directly coupled to drive rod 3 ", and lock bolt 8 " is constructed at L-shaped, and locks including the first latch extension and second Fasten extension with a bolt or latch.Lock bolt 8 " is pivoted around the 5th pivot axis, and the first latch extension and the second latch extension are substantially in Wushu Intersect at shaft axis and connects.One end of first latch extension is connected to the other end of drive rod 3 ".With drive rod 3 " Translation, lock bolt 8 " are pivoted around the 5th pivot axis, so that being entirely located in for lock bolt 8 " is slotting when fixed device is in clamped condition The inside for connecing the edge of box opening, when fixed device is in release conditions, the free end of 8 " extension of the second lock bolt, which is stretched out, is inserted The edge of box opening is connect, to hinder the closing of the door of jack box.

In other embodiments, lock bolt 8 can be configured to other shapes, as long as to transport with the translation of drive rod 3 Dynamic, a part of (clamped condition) or lock bolt 8 is more than grafting on the inside of the edge of the opening for being entirely located in jack box of lock bolt 8 The edge (release conditions) of the opening of case.

The operation of fixed device can be as described below: firstly, guiding piece is passed through corresponding in guide hole and bus duct 11 Jack box is correctly positioned and is orientated by hole.In original state, actuator 3 is close to bus duct 11, and fixed device is in The upper protrusion 113 of bus duct and lower protrusion 112 are respectively put into open clamping space by release conditions.Then, Driving screw 2 is turned, so that drive rod 3 is translated to the direction far from bus duct 11.Drive rod 3 to far from bus duct 11 direction Translation to will lead to fixed device in clamped condition, that is, the first clamp system and the second clamp system clamp lower protrusion respectively Part 112 and upper protrusion 113, while lock bolt 8 is retracted to the inside for being entirely located in the edge of grafting box opening.In this way, inserting Connect being installed for case.When need will fixed device dismantled from bus duct 11 when, turn driving screw 2 so that drive rod 3 to It is translated towards the direction of bus duct 11.Drive rod 3 to the translation in the direction towards bus duct 11 will lead to fixed device be in release Put state.The lower cover of bus groove case adjusts the variation that will lead to the height of bus groove case, but the first clamping machine up and down Lower protrusion 112 can be clamped to well in the first clamping space 402 by the first clamping element 4 in structure.

The scope of the utility model is not limited by above described embodiment, but by appended claims And its equivalent limits.

Reference signs list:

Fixed frame 1

Protruding portion 101

Fixing piece 102

First drive hole 103

Drive bolt 2

Shank of bolt 201

Bolt head 202

Step cutting pattern 203

Drive rod 3,3 "

Second drive hole 301

First elongate slots 302

First clamping element 4

First clamping surface 401

First clamping space 402

Second elongate slots 402

Second clamping element 5

Second clamping surface 501

Second clamping space 502

Third elongate slots 503

First drive rod 6

Second elongate slots 601

8th elongate slots 601 '

Second drive rod 7,7 '

7th elongate slots 701 '

9th elongate slots 702 '

Lock bolt 8,8 "

4th elongate slots 801

Third drive rod 9

5th elongate slots 901

6th elongate slot 902

Guiding piece 10

Bus duct 11

Side body wall 111

Lower protrusion 112

Upper protrusion 113

First pin 12

Second pin 13

Third pin 14

4th pin 15

5th pin 16

6th pin 17

7th pin 18

8th pin 19

9th pin 20

Tenth pin 21

11st pin 22 '

12nd pin 23 '

13rd pin 24 '

Claims (18)

1. a kind of fixation device for busway inserting case, the fixed device is used to busway inserting case being fixed to bus Slot, which is characterized in that the fixed device includes:

Fixed frame is fixed on jack box or is formed as a part of the jack box；

Drive rod is supported and can be translated relative to fixed frame by fixed frame；And

The two sides of drive rod are arranged in first clamp system and the second clamp system, the first clamp system and the second clamp system, To clamp bus duct in two sides respectively；

Wherein, the first clamp system includes:

First clamping element is articulated in fixed frame around the first pivot axis at first connection place；

First drive rod is articulated in fixed frame around the second pivot axis, and one end is connected to drive rod；And

Second drive rod, one end is connected to the other end of the first drive rod at the second interface, and its other end is The first clamping element is connected at three interfaces；

Wherein, the translation of drive rod drives the pivot and drive rod of the first clamping element via the first drive rod and the second drive rod The second clamp system of driven in translation so that fixed device is converted between clamped condition and release conditions.

2. fixed device according to claim 1, which is characterized in that

When fixed device is in clamped condition, the first clamping surface of the first clamping element is located at the first clamped position, the first folder Tight surface and a fixed part of fixed device limit the first clamping space, and the first corresponding portion of bus duct is clamped at the In one clamping space；

When fixed device is in release conditions, the first clamping surface leaves the first clamped position.

3. fixed device according to claim 1, which is characterized in that

When fixed device is in clamped condition, first connection place, the second interface and third interface are positioned such that the One interface relative to the vertical point of the line of the second interface and third interface be located at the second interface and third interface it Between；

When fixed device is in release conditions, first connection place, the second interface and third interface are positioned such that the One interface is located at the second interface and third interface relative to the vertical point of the line of the second interface and third interface It is ipsilateral.

4. fixed device according to claim 3, which is characterized in that

When fixed device is in locking state, third interface is relative to the second interface further from drive rod.

5. fixed device according to claim 1, which is characterized in that

One end of second drive rod is pivotally attached to the other end of the first drive rod, and the other end of the second drive rod is pivotally attached to the first clamping Part.

6. fixed device according to claim 1, which is characterized in that

The second drive rod of driven in translation of drive rod with translated in the opposite direction of the translation of drive rod.

7. fixed device according to claim 1, which is characterized in that

First elongate slots are arranged in drive rod, and the first pin and the first elongate slots fixed to fixed frame cooperate, so that first Elongate slots guidance driving is by the translation relative to fixed frame.

8. fixed device according to claim 1, which is characterized in that

Second elongate slots are arranged in one end of the first drive rod, and the 4th pin fixed to drive rod is matched with the second elongate slots It closes, so that one end of the first drive rod is connected to drive rod.

9. fixed device according to claim 1, which is characterized in that

The translation direction of drive rod is towards or away from the direction of bus duct.

10. fixed device according to claim 1, which is characterized in that

Second clamp system includes substantially at the second hook-shaped clamping element, and the second clamping element is articulated in fixation around third pivot axis Frame and including the first extension and the second extension, one end of the first extension are connected to drive rod, and the second extension is from One extension extends at L-shapedly, and the second clamping surface of the second clamping element angularly extends from the second extension, and first extends Portion and the second extension are connected at third pivot axis.

11. fixed device according to claim 10, which is characterized in that

When fixed device is in clamped condition, the second clamping surface is located at the second clamped position, the second clamping surface and fixation The part of another fixation of device limits the second clamping space, and the second corresponding portion of bus duct is clamped at the second clamping space In；

When fixed device is in release conditions, the second clamping surface leaves the second clamped position.

12. fixed device according to claim 11, which is characterized in that

Third long slot hole is arranged in one end of the first extension, and the 6th pin fixed to drive rod is matched with the second elongate slots It closes, so that one end of the first extension is connected to drive rod.

13. fixed device according to claim 1, which is characterized in that

Further include lock bolt, supported by fixed frame,

The driven in translation lock bolt of drive rod pivots or translation,

When fixed device is in release conditions, a part of lock bolt is more than the edge of the box opening of jack box to hinder grafting The closing of the door of case；

When fixed device is in clamped condition, lock bolt is entirely located on the inside of the edge of the box opening of jack box.

14. fixed device according to claim 13, which is characterized in that further include

Third drive rod is connected to drive rod around one end that the 4th pivot axis is articulated in fixed frame and third drive rod, The other end of third drive rod is connected to lock bolt, and drive rod drives lock bolt in the phase of the translation with drive rod via third drive rod Negative side translates up.

15. fixed device according to claim 1, which is characterized in that further include

Guiding piece, guiding piece is for the corresponding aperture in the guide hole and bus duct in fixed frame.

16. fixed device according to claim 15, which is characterized in that

The direction of the axis of guide hole and the translation direction of drive rod are identical.

17. fixed device according to claim 1, which is characterized in that the fixed frame is the side body of the jack box.

18. a kind of grafting box assembly, which is characterized in that consolidate including jack box and according to claim 1 described in any one of -17 Determine device.