CN117748255A - Top line mechanism, top line device and welding equipment - Google Patents

Abstract

The application discloses a top line mechanism, top line device and welding equipment. The wire pushing mechanism comprises a mounting frame, a wire pushing structure, an elastic piece and a detection piece, when a worker manually places a wire harness, the end portion of the wire harness is abutted to the wire pushing structure and pushes the wire pushing mechanism to move along a first direction, in the process, the elastic piece can be compressed and provide elastic touch for the worker, and when the wire pushing structure moves to trigger the detection piece, the wire harness is placed in place, then the wire harness is clamped, and the wire harness placing work is completed. The wire jacking mechanism can increase manual pay-off touch sense, and provides wire harness in-place detection, so that consistency of wire harness placement positions each time is guaranteed, welding quality of terminals and wire harnesses is improved, and product yield is improved. The top line device and the welding equipment can improve the product yield by applying the top line mechanism.

Description

Top line mechanism, top line device and welding equipment

Technical Field

The application relates to the technical field of welding, in particular to a top wire mechanism, a top wire device and welding equipment.

Background

The terminal is used as an important component in the connector, and is mainly used for realizing electrical connection. In the manufacturing process of the wiring terminal, the terminal and the wiring harness are required to be welded and fixed by using welding equipment.

In the related art, welding equipment includes soldered connection, positioner and roof line device, utilizes positioner to fix a position the terminal earlier, then utilizes roof line device to carry out spacingly to the pencil, makes the pencil accurately place in the welding position of terminal, utilizes the soldered connection to carry out welded fastening to pencil and terminal at last. The existing wire jacking device adopts a mechanical structure to carry out hard limit, and when paying off is carried out each time, operators mainly depend on holding the wire harness, whether the wire harness is in place or not is judged according to hand feeling, the consistency of the position of the wire harness cannot be maintained, and the welding quality is affected.

This section provides background information related to the present application, which is not necessarily prior art.

Disclosure of Invention

It is an object of the present application to solve or at least mitigate some or all of the above problems. To this end, an object of the present application is to provide a wire pushing mechanism, a wire pushing device, and a welding apparatus.

In order to achieve the above object, the present application adopts the following technical scheme:

in a first aspect, there is provided a jack mechanism comprising:

a mounting frame;

the top line structure is movably arranged on the mounting frame along the horizontal first direction;

the elastic piece is connected between the mounting frame and the top line structure;

and the detection piece is fixed on the mounting frame and is configured to be triggered by the top line structure.

As an alternative scheme of the jackwire mechanism, the mounting frame comprises a mounting piece and a limiting seat protruding on the mounting piece, the mounting piece is used for mounting the jackwire mechanism, and the limiting seat is used for mounting the detecting piece.

As an alternative scheme of the top wire mechanism, the limit seat and/or the top wire structure is/are provided with a containing groove, and a part of the elastic piece is located in the containing groove.

As an alternative scheme of the jackwire mechanism, the limiting seat comprises a limiting part and a limiting guide part convexly arranged on the limiting part, the limiting guide part is in sliding fit with the jackwire mechanism, and the limiting part is used for installing the detection part.

As an alternative scheme of the jackwire mechanism, the limiting seat is provided with a limiting guide hole, and the jackwire mechanism is provided with a guide piece in sliding fit with the limiting guide hole.

As an alternative scheme of the jack line mechanism, the jack line structure comprises a main body part and a trigger part, the trigger part comprises a fixed part and a trigger part which are connected, the fixed part is fixed on the main body part, and the trigger part protrudes out of the main body part and corresponds to the detection part.

As an alternative to the wire ejector mechanism, the wire ejector mechanism further includes a wire ejector member including a mounting portion detachably mounted on the main body member and a wire ejector portion configured to abut against a wire harness.

As an alternative to the wire ejector mechanism, the wire ejector portion has a boss protruding in the first direction, the boss being configured to abut against the wire harness.

As an alternative to the jack line mechanism, the mounting portion is mounted on the main body member in a position-adjustable manner along a second horizontal direction, the second direction being perpendicular to the first direction.

In a second aspect, there is provided a jacking device comprising a drive mechanism and a jacking mechanism as claimed in any one of the preceding claims, the drive mechanism being arranged to drive the jacking mechanism to move in the first and vertical directions.

As an alternative scheme of the top line device, the driving mechanism comprises a lifting driving assembly and a translation driving assembly, wherein the lifting driving assembly comprises a lifting driver and a lifting piece arranged at the output end of the lifting driver; the translation drive assembly comprises a translation driver and a translation piece arranged at the output end of the translation driver, wherein the translation driver is arranged on the lifting piece, and the translation piece is used for installing the installation frame.

In a third aspect, a welding apparatus is provided, including a clamping and positioning device, a top wire device, a wire clamping device, and a welding device, where the clamping and positioning device is used for clamping and positioning a terminal; the wire jacking device is used for limiting the wire harness; the wire clamping device is used for clamping the wire harness; the welding device is used for welding and fixing the wire harness on the terminal.

The beneficial point of the application lies in: the utility model provides a roof line mechanism includes mounting bracket, roof line structure, elastic component and detection piece, when the staff manual work placed the pencil, pencil tip and roof line structure butt and promote roof line mechanism along first direction motion, at this in-process, the elastic component can be compressed and provide elasticity sense of touch for the staff, and when roof line structure motion to can trigger the detection piece, the instruction pencil is placed in place, then presss from both sides tight pencil, accomplishes the pencil and places work. This top line mechanism can increase artifical unwrapping wire sense of touch to provide pencil detection in place, guarantee the uniformity of position is placed to pencil at every turn, and then improve the welding quality of terminal and pencil, improve the product yields.

The utility model provides a top line device includes actuating mechanism and top line mechanism, and actuating mechanism is used for driving top line mechanism at first direction and vertical direction upward movement to realize adjusting top line mechanism's position, make top line mechanism adapt to the terminal of different thickness of equidimension, can avoid top line mechanism and welding set to take place to interfere simultaneously, influence welding set's welding operation. The wire jacking mechanism is used for limiting the wire harness, not only can detect the wire harness in-place signal, but also can provide touch for manual paying-off, improves the limiting effect of the wire harness, and ensures the consistency of paying-off positions of the wire harness every time.

The welding equipment that this application provided includes centre gripping positioner, roof line device, presss from both sides line device and welding set, carries out centre gripping location to the terminal through centre gripping positioner, can guarantee through pressing from both sides line device and roof line device that the pencil keeps unanimous for the position of terminal when welding at every turn to improve the welding quality of terminal and pencil, improve the yields of product.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following description will briefly explain the drawings needed in the descriptions of the embodiments of the present application, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the contents of the embodiments of the present application and these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural view of a welding apparatus according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a top line device in one direction according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of another direction of the roof line device according to the embodiment of the present application;

FIG. 4 is a partial cross-sectional view of a roof line mechanism provided in an embodiment of the present application;

FIG. 5 is an enlarged view of a portion of the roof line mechanism of FIG. 4;

fig. 6 is an enlarged view of a portion of the roof line mechanism of fig. 3.

Reference numerals:

100. clamping and positioning device; 200. a top line device; 300. a wire clamping device; 400. a welding device;

10. a lifting driving assembly; 101. a lifting driver; 102. a lifting member; 1021. a first lifting part; 1022. a second lifting part; 20. a translational drive assembly; 201. a translation driver; 202. a translation member; 2021. a first translation portion; 2022. a second translation section; 30. a top line mechanism; 40. a bracket;

1. a mounting frame; 11. a mounting member; 111. a guide positioning member; 112. a long waist hole; 12. a limit seat; 121. a limit part; 122. a limit guide part; 1221. limiting the guide hole; 1222. a receiving groove;

2. a roof line structure; 21. a body member; 211. a first long hole; 212. a groove; 213. a second long hole; 22. a guide member; 23. a trigger; 231. a fixing part; 232. a trigger part; 24. a top wire member; 241. a mounting part; 242. a top line portion; 2421. a boss;

3. an elastic member;

4. a detecting member;

5. an adjusting member;

6. and (5) a bolt.

Detailed Description

Before any embodiments of the application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings.

In this application, the terms "comprises," "comprising," "has," "having," 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the present application, the term "and/or" is an association relationship describing an association object, meaning that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" in this application generally indicates that the front-rear association object is an "and/or" relationship.

The terms "connected," "coupled," and "mounted" are used herein to describe either a direct connection, a coupling, or an installation, or an indirect connection, a coupling, or an installation. By way of example, two parts or components are connected together without intermediate members, and by indirect connection is meant that the two parts or components are respectively connected to at least one intermediate member, through which the two parts or components are connected. Further, "connected" and "coupled" are not restricted to physical or mechanical connections or couplings, and may include electrical connections or couplings.

In this application, one of ordinary skill in the art will understand that relative terms (e.g., "about," "approximately," "substantially," etc.) used in connection with quantities or conditions are intended to include the values and have the meanings indicated by the context. For example, the relative terms include at least the degree of error associated with the measurement of a particular value, the tolerance associated with a particular value resulting from manufacture, assembly, use, and the like. Such terms should also be considered to disclose a range defined by the absolute values of the two endpoints. Relative terms may refer to the addition or subtraction of a percentage (e.g., 1%,5%,10% or more) of the indicated value. Numerical values, not employing relative terms, should also be construed as having specific values of tolerance. Further, "substantially" when referring to relative angular positional relationships (e.g., substantially parallel, substantially perpendicular) may refer to adding or subtracting a degree (e.g., 1 degree, 5 degrees, 10 degrees, or more) from the indicated angle.

In this application, one of ordinary skill in the art will understand that a function performed by a component may be performed by one component, multiple components, a part, or multiple parts. Also, the functions performed by the elements may be performed by one element, by an assembly, or by a combination of elements.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", and the like are described in terms of orientation and positional relationship shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements. It should also be understood that the terms upper, lower, left, right, front, back, etc. are not only intended to represent positive orientations, but also to be construed as lateral orientations. For example, the lower side may include a right lower side, a left lower side, a right lower side, a front lower side, a rear lower side, and the like.

The terminal is used as an important component in the connector, and is mainly used for realizing electrical connection. In the manufacturing process of the wiring terminal, the terminal and the wiring harness are required to be welded and fixed by using welding equipment. The application provides a welding equipment for weld pencil on the terminal to can improve the welding quality of pencil and terminal, improve the yields of product.

Fig. 1 shows a schematic structural diagram of a welding apparatus provided by the present application. As shown in fig. 1, the welding apparatus includes a table (not shown), a clamp positioning device 100, a top wire device 200, a wire clamping device 300, and a welding device 400, on which the clamp positioning device 100, the top wire device 200, the wire clamping device 300, and the welding device 400 are mounted. The clamping and positioning device 100 is used for clamping and positioning the terminal; the wire jacking device 200 is used for limiting the wire harness; the wire clamping device 300 is used for clamping the wire harness; the welding device 400 is used to weld and fix the wire harness to the terminal. The welding equipment clamps and positions the terminal through the clamping and positioning device 100, and the wire harness can be ensured to keep consistent relative to the position of the terminal through the wire clamping device 300 and the wire jacking device 200 when being welded each time, so that the welding quality of the terminal and the wire harness is improved, and the yield of products is improved.

The welding device 400 may alternatively be an ultrasonic welder. Because ultrasonic welding does not need soldering flux and an external heat source, the welding structure cannot be deformed due to heat, residual stress cannot be generated, the welding quality of the terminal and the wire harness can be improved, and the product quality is improved. Ultrasonic welding machine belongs to the equipment that commonly uses in the welding field, and is not repeated here.

In the related art, the wire jacking device adopts a mechanical structure to carry out hard limit, and when paying off each time, operators mainly depend on holding the wire harness by hand, whether the wire harness is in place or not is judged according to hand feeling, the consistency of the wire harness position cannot be maintained, the consistency of the relative positions of the wire harness and the terminal when welding each time cannot be ensured, and therefore the welding quality is affected. The top line apparatus 200 provided in this embodiment can solve this technical problem.

Fig. 2 shows a schematic structural diagram of a roof line device 200 provided in the present application in one direction. As shown in fig. 2, the wire pushing device 200 includes a driving mechanism and a wire pushing mechanism 30, wherein an output end of the driving mechanism is connected with the wire pushing mechanism 30, and the driving mechanism is used for driving the wire pushing mechanism 30 to move in a first direction and a vertical direction so as to adjust a position of the wire pushing mechanism 30, so that the wire pushing mechanism 30 is adapted to terminals with different sizes and different thicknesses, and interference between the wire pushing mechanism 30 and the welding device 400 can be avoided, and welding operation of the welding device 400 is affected. The top line mechanism 30 is used for limiting the wire harness, not only can detect the wire harness in-place signal, but also can provide touch for manual paying-off, improves the limiting effect of the wire harness, and ensures the consistency of paying-off positions of the wire harness every time.

As further shown in fig. 2 in combination with fig. 1, the driving mechanism includes a lifting driving assembly 10 and a translation driving assembly 20, an output end of the lifting driving assembly 10 is connected with the translation driving assembly 20, an output end of the translation driving assembly 20 is connected with the top line mechanism 30, the lifting driving assembly 10 drives the translation driving assembly 20 to drive the top line mechanism 30 to lift in a vertical direction, and the translation driving assembly 20 drives the top line mechanism 30 to translate along a first direction.

The wire jacking device 200 further comprises a bracket 40, the bracket 40 and the wire clamping device 300 are respectively installed at two ends of the clamping and positioning device 100 in the first direction, and the driving mechanism is installed on the bracket 40. The support 40 is detachably mounted on the workbench, and the mounting position of the support 40 on the workbench is adjustable, so that the position of the support 40 can be conveniently replaced or adjusted as required.

In the present embodiment, the lifting drive assembly 10 includes a lifting drive 101 and a lifting member 102 mounted to an output end of the lifting drive 101; the translation driving assembly 20 includes a translation driver 201 and a translation member 202 mounted at an output end of the translation driver 201, the translation driver 201 is mounted on the lifting member 102, and the translation member 202 is used for fixing the jack line mechanism 30. The lifting driver 101 may be a linear cylinder, and the translation driver 201 may be a linear cylinder. Of course, in other embodiments, other linear driving mechanisms, such as electric push rods, hydraulic cylinders, etc., may be used for the lifting and lowering driver 101 and the translation driver 201, which are not illustrated herein.

The lifting member 102 includes a first lifting portion 1021 and a second lifting portion 1022 which are vertically connected, the first lifting portion 1021 is parallel to the horizontal plane and connected to the output end of the lifting driver 101, and the second lifting portion 1022 is perpendicular to the horizontal plane and fixedly connected to the translation driver 201. So configured, the lifting member 102 is enabled to stably transmit the lifting force of the lifting drive 101 to the translational drive assembly 20, thereby enabling the lifting drive 101 to stably drive the translational drive assembly 20 to lift as a whole.

Fig. 3 shows a schematic structural diagram of another direction of the roof line device 200 provided in the present application. As shown in fig. 3 in combination with fig. 2, the translation member 202 includes a first translation portion 2021 and a second translation portion 2022 that are vertically connected, where the first translation portion 2021 and the second translation portion 2022 are both perpendicular to a horizontal plane, and the first translation portion 2021 is connected to an output end of the translation driver 201, and the second translation portion 2022 extends along a first direction and is used for fixing the jack line mechanism 30. So set up for translation member 202 not only can guarantee the stable installation of mounting bracket 1, can also transmit translation driver 201's horizontal drive power to mounting bracket 1, makes mounting bracket 1 can follow the stable removal of first direction.

Fig. 4 shows a partial cross-sectional view of the roof line mechanism 30 provided herein. Fig. 5 shows a partial enlarged view of the roof line mechanism 30 in fig. 4. As shown in fig. 4 to 5 in combination with fig. 3, the jack line mechanism 30 includes a mounting frame 1, a jack line structure 2, an elastic member 3 and a detecting member 4, the mounting frame 1 is fixed on a second translation portion 2022 (see fig. 2) of the translation member 202, the mounting frame 1 includes a mounting member 11 and a limit seat 12, and the limit seat 12 is fixed on the mounting member 11; the roof line structure 2 is movably mounted on the mounting member 11 in a horizontal first direction; the elastic piece 3 is connected between the limit seat 12 and the top line structure 2; the detecting element 4 is fixed on the limiting seat 12, and the detecting element 4 is configured to be triggered by the top wire structure 2. When the staff manually places the wire harness, the wire harness end is abutted with the top wire structure 2 and pushes the top wire mechanism 30 to move along the first direction, in the process, the elastic piece 3 can be compressed and provide elastic touch for the staff, and when the top wire structure 2 moves to the position capable of triggering the detection piece 4, the wire harness is placed in place, the wire clamping device 300 clamps the wire harness, and the wire harness placing work is completed. This jackwire mechanism 30 can increase artifical unwrapping wire sense of touch to provide pencil detection in place, guarantee the uniformity of position is placed to pencil at every turn, and then improve the welding quality of terminal and pencil, improve the product yields.

Because this unwrapping wire process, operating personnel is pushing the pencil with force always, pencil back when can avoiding the pine line, and roof line structure 2 just triggers detecting piece 4 when pushing to extreme position, avoids detecting piece 4 to influence the unwrapping wire error that produces because of the detection range. In addition, the elastic element 3 can provide a certain reaction force for the top line structure 2, so that the top line structure 2 is prevented from directly contacting and colliding with the detecting element 4 to damage the detecting element 4. And mechanical hard limit among the prior art, operating personnel can have the rollback deviation when loosening the pencil after judging the pencil to put in place, and even increase the detecting piece on hard limit, also have the condition that probably damages the detecting piece, can't guarantee the unwrapping wire precision. The limiting seat 12 comprises a limiting part 121 and a limiting guide part 122 protruding on the limiting part 121, the limiting guide part 122 is in sliding fit with the top line structure 2, and the limiting part 121 is used for installing the detecting piece 4. The detecting member 4 may alternatively be a proximity switch or other position sensor, without limitation.

The top wire structure 2 comprises a main body member 21, a guide member 22, a trigger member 23 and a top wire member 24, wherein the main body member 21 is movably arranged on the mounting member 11 along a first direction, the guide member 22 is arranged at one end of the main body member 21, which is close to the limiting seat 12, and is in sliding fit with the limiting guide portion 122 along the first direction, the trigger member 23 is used for triggering the detecting member 4, and the top wire member 24 is used for being abutted to the wire harness.

The main body member 21 is provided with a first long hole 211 extending along a first direction, the mounting member 11 is provided with a guiding and positioning member 111 in sliding fit with the first long hole 211, and when the main body member 21 moves along the first direction relative to the mounting member 11, the guiding and positioning member 111 is matched with the first long hole 211, so that the movement of the main body member 21 can be guided and limited.

The trigger member 23 includes a fixing portion 231 and a trigger portion 232 connected to each other, the fixing portion 231 is fixed to the main body member 21, and the trigger portion 232 protrudes from the main body member 21 and corresponds to the detecting member 4. In this embodiment, the fixing portion 231 of the trigger member 23 and the trigger portion 232 are vertically connected, so that the trigger member 23 is prevented from being retracted from the guide member 22, and the trigger member 23 is connected to the main body member 21.

The limit guide 122 has a limit guide hole 1221, and the roof line structure 2 has a guide 22 slidably fitted in the limit guide hole 1221. In the present embodiment, the roof line structure 2 includes a main body member 21 and a guide member 22, and the guide member 22 is fixed to the main body member 21 by a screw. Further, the end of the main body 21 is provided with a groove 212, the limit guiding portion 122 is provided with a receiving groove 1222, and a portion of the guiding element 22 is inserted into the receiving groove 1222 and is in clearance or interference fit with the groove 212, so as to ensure the stability of the connection between the guiding element 22 and the main body 21, and simultaneously ensure that the guiding element 22 extends along the axial direction thereof, avoid the guiding element 22 from deflecting, and further ensure the stable fit between the guiding element 22 and the limit guiding hole 1221. For example, the limiting guide hole 1221 may be a circular hole, and the guide member 22 is a cylinder. The limit guide hole 1221 may be a hole of another shape, and the guide member 22 may be in clearance fit with the limit guide hole 1221. Of course, in other embodiments, the body member 21 and the guide member 22 may be an integrally formed structure, which is not limited herein.

In the present embodiment, the receiving groove 1222 is disposed around the limit guiding hole 1221 and located at an end of the limit guiding hole 1221 near the roof line structure 2. Part of the elastic member 3 is located in the receiving groove 1222. The elastic member 3 is a spring, which is sleeved on the guide member 22, and one end of the spring is located in the accommodating groove 1222, and the other end of the spring is abutted against the end of the main body member 21. In other embodiments, the limiting seat 12 and the main body 21 are provided with a containing groove 1222, and two ends of the elastic element 3 are located in the containing groove 1222; the main body 21 may have a receiving groove 1222, one end of the elastic member 3 may abut against the limit guide 122, and the other end may be received in the receiving groove 1222 of the main body 21.

In order to facilitate adjusting the position of the guiding element 22 extending into the limiting guiding hole 1221, the jack line mechanism 30 further comprises an adjusting element 5, the adjusting element 5 is in threaded connection with the limiting part 121 and can extend into the limiting guiding hole 1221, the adjusting element 5 can be adjusted to extend into the length of the limiting guiding hole 1221 by screwing the adjusting element 5, and then the extreme position of the guiding element 22 in the limiting guiding hole 1221 can be adjusted, so that the minimum distance between the triggering element 23 and the detecting element 4 can be adjusted, and the triggering part 232 of the triggering element 23 is ensured to be positioned in the detecting edge of the detecting element 4, so that the paying-off position can be accurately controlled. For example, the adjusting member 5 may be a screw, which is convenient for screwing operation, and has a simple structure and low cost.

In order to adapt the wire pushing mechanism 30 to the limitation of the wire harnesses with different types of terminals and different lengths, the mounting member 11 is adjustably mounted on the second translation portion 2022 of the translation member 202 along the first direction, so as to adjust the position of the whole wire pushing mechanism 30 in the first direction. In some embodiments, the mounting member 11 is provided with a long waist hole 112 extending in the first direction, and the mounting member 11 is fixed to the second displacement portion 2022 by the bolt 6 passing through the long waist hole 112. When it is necessary to adjust the position of the mounting member 11 in the first direction, the bolt 6 is loosened until the mounting member 11 can be pushed, and after the position of the mounting member 11 is adjusted to the desired position, the bolt 6 is then locked.

Fig. 6 shows a partial enlarged view of the roof line mechanism 30 in fig. 3. As shown in fig. 6 in combination with fig. 3, the top wire member 24 includes a mounting portion 241 and a top wire portion 242, the mounting portion 241 is detachably mounted on the main body member 21, a boss 2421 is provided on the top wire portion 242, and the boss 2421 is configured to abut against the wire harness. The boss 2421 of the top wire portion 242 protrudes in the first direction toward the direction approaching the wire harness, and the size of the boss 2421 is smaller than the size of the entire top wire member 24, so that the boss 2421 can easily extend below the welding head of the welding device 400, and can be applied to products having short wire stripping length and narrow welding area.

The mounting portion 241 is mounted to the main body member 21 so as to be positionally adjustable along a horizontal second direction perpendicular to the first direction. So arranged, on the one hand, the position of the top wire 24 in the second direction is conveniently adjusted as required to ensure the installation accuracy of the top wire 24; on the other hand, the problem that the top wire member 24 and the main body member 21 cannot be mounted due to a machining error can be avoided.

The main body 21 is provided with a second long hole 213 extending in the second direction, and the mounting portion 241 of the jack 24 is mounted at the second long hole 213 by a bolt and a nut. Specifically, the mounting portion 241 is fixed to a bolt, and the bolt passes through the second long hole 213 and is fixedly connected to a nut, and when the position of the jack wire member 24 needs to be adjusted, the nut is loosened, and then the jack wire member 24 is pushed to move to a desired position along the second long hole 213, and then the nut is locked. Of course, the top wire member 24 may be further configured to be adjustable in the second direction on the main body member 21 in other manners, which are not limited herein.

The foregoing has outlined and described the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the present application in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the present application.

Claims (11)

1. A jack mechanism, comprising:

a mounting frame (1);

a roof line structure (2) movably mounted on the mounting frame (1) along a horizontal first direction;

an elastic piece (3) connected between the mounting frame (1) and the top line structure (2);

-a detection member (4) fixed to the mounting frame (1), the detection member (4) being configured to be triggerable by the roof line structure (2).

2. The jack line mechanism according to claim 1, characterized in that the mounting frame (1) and/or the jack line structure (2) have a receiving groove therein, in which a part of the elastic element (3) is located.

3. The jack line mechanism according to claim 1, wherein the mounting frame (1) comprises a mounting member (11) and a limiting seat (12) protruding on the mounting member (11), the jack line structure (2) is mounted on the mounting member (11), the detecting member (4) is mounted on the limiting seat (12), the limiting seat (12) comprises a limiting portion (121) and a limiting guide portion (122) protruding on the limiting portion (121), the limiting guide portion (122) is in sliding fit with the jack line structure (2), and the limiting portion (121) is used for mounting the detecting member (4).

4. A jack line mechanism according to claim 3, characterised in that the limit guide (122) has a limit guide hole (1221) and the jack line structure (2) has a guide (22) in sliding engagement with the limit guide hole (1221).

5. The jack line mechanism according to claim 1, wherein the jack line structure (2) comprises a main body member (21) and a trigger member (23), the trigger member (23) comprises a fixing portion (231) and a trigger portion (232) which are connected, the fixing portion (231) is fixed on the main body member (21), and the trigger portion (232) protrudes from the main body member (21) and corresponds to the detection member (4).

6. The jack mechanism of claim 5, wherein the jack structure (2) further comprises a jack member (24), the jack member (24) comprising a mounting portion (241) and a jack portion (242), the mounting portion (241) being detachably mounted on the body member (21), the jack portion (242) being configured to abut against a wire harness.

7. The jack mechanism of claim 6, wherein the jack structure (2) has a boss (2421) protruding in a first direction, the boss (2421) being configured to abut against a wire harness.

8. The jack mechanism of claim 6, wherein the mounting portion (241) is mounted to the body member (21) in a position adjustable along a horizontal second direction, the second direction being perpendicular to the first direction.

9. A jack assembly comprising a drive mechanism and a jack mechanism as claimed in any one of claims 1 to 8, the drive mechanism being adapted to drive movement of the jack mechanism in the first and vertical directions.

10. The overhead line assembly according to claim 9, wherein the drive mechanism comprises:

a lifting drive assembly (10) comprising a lifting drive (101) and a lifting member (102) mounted at the output end of the lifting drive (101);

the translation driving assembly (20) comprises a translation driver (201) and a translation piece (202) arranged at the output end of the translation driver (201), wherein the translation driver (201) is arranged on the lifting piece (102), and the translation piece (202) is used for installing the installation frame (1).

11. A welding apparatus, comprising:

a clamping and positioning device (100) for clamping and positioning the terminal;

the roof wire device according to claim 9 or 10, for limiting a wire harness;

a wire clamping device (300) for clamping the wire harness;

and a welding device (400) for welding and fixing the wire harness to the terminal.