CN209190551U - A kind of tool tong - Google Patents

Abstract

The utility model discloses a kind of tool tong, car body draw hook is hung over for auxiliary traction rope, the tool tong includes caliper, support arm and length adjustment mechanism, the both ends of length adjustment mechanism are separately connected caliper and support arm, for adjusting the distance between caliper and support arm, so that the distance is adapted to the ring eye size of the drag rope clamped is needed, caliper is equipped with the binding clip for clamping drag rope ring eye bottom node, and the free end of support arm is equipped with the indent gap for resisting drag rope ring eye top tether.Operator's one hand can be hung over drag rope on draw hook using the tool tong, it is convenient and efficient, it is time saving and energy saving, and also the ring eye of drag rope will not generate deformation in hooking process, it may insure that drag rope is firmly linked with draw hook, and then avoid causing impact test to fail because draw hook void is hung.

Description

A kind of tool tong

Technical field

The utility model relates to vehicle crash test fields, more particularly to one kind to hang over car body for auxiliary traction rope and lead Draw the tool tong on hook.

Background technique

Automobile is as modern transportation tool, while offering convenience to people's lives with enjoyment, also because it causes Traffic accident to the life and property of the mankind bring greatly threaten and injury.The statistical analysis of traffic accident causation shows Automobile passes through the potential dangerous automatic retarding of identification, or actively avoids occurring the success rate of traffic accident under the operation of driver It is very low, in more situations, needs automobile after inevitable traffic accident occurs, passenger or pedestrian can be protected Shield to avoid personal injury or personal injury made to be reduced to minimum, therefore improves safety when automobile collides It can be increasingly important.

The introducing of complete automobile collision test, makes the research and development in terms of vehicle safety performance start accelerated development, is doing complete automobile collision When test, test vehicle is put dispatch a car a little after, the drag rope of pulling test vehicle need to be hung over to the traction of equipment tractor On hook, but draw hook is below vehicle motor, and operator needs to lie on the floor, and operator can only with a hand by Drag rope is hung on draw hook, is not easy to very much operate, in other words, during impact test, if draw hook has void Phenomenon is hung, impact test failure is also resulted in.

Utility model content

The purpose of this utility model is to provide a kind of tool tongs, for drag rope to be hung over draw hook, operator One hand can be realized using the tool tong to hang over drag rope on draw hook, it is convenient and efficient, it is time saving and energy saving, and may insure Drag rope is firmly linked with draw hook, and then avoids causing impact test to fail because draw hook void is hung.

To achieve the goals above, the utility model provides the following technical solutions:

A kind of tool tong hangs over car body draw hook for auxiliary traction rope, and the tool tong includes caliper, support arm And the length adjustment mechanism for adjusting distance between the caliper and the support arm；Wherein,

The bottom of the length adjustment mechanism is connected to above the caliper rotary shaft, the top of the length adjustment mechanism One end of the support arm is connected, the other end of the support arm is equipped with indent gap；The caliper is equipped with cylindrical clipping Binding clip.

Preferably, the length adjustment mechanism includes setting internal thread guide cylinder arm and equipped with externally threaded length tune Joint arm, the length adjustment arm and the guide cylinder arm are connected through a screw thread fixation.

Further, the length adjustment mechanism further includes locking nut, and the locking nut is set in the length tune On the outside of joint arm；

The locking nut is used to lock on the length adjustment arm and the guide cylinder arm.

Specifically, the length adjustment arm is equipped with internal screw thread, and the support arm is fixed on the length by the first bolt On regulating arm.

Preferably, the caliper includes the caliper upper arm and caliper lower arm using the second bolt as rotary shaft, the caliper Upper arm, the caliper lower arm and the support arm are fold-line-shaped structure.

Specifically, the bottom of the guide cylinder arm is fixed on the top of the axial rotary of the caliper upper arm.

Compared with prior art, tool tong provided by the utility model has the advantages that

Tool tong provided by the utility model, for drag rope to be hung over draw hook, which includes caliper, branch The both ends of brace and length adjustment mechanism, length adjustment mechanism are separately connected caliper and support arm, for adjusting caliper and support The distance between arm, so that the distance is adapted to the ring eye size of the drag rope clamped is needed；Further, caliper is equipped with circle The clipping binding clip of cylindricality can be convenient the node of clamping drag rope ring eye bottom, and length adjustment is fixed in one end of support arm The top of mechanism, the other end is hanging and is equipped with indent gap, the length of adjustment length regulating mechanism, so that the gap resists traction Then the ring eye of drag rope is pushed away and is linked into draw hook by the rope at the top of rope ring eye, while gap design can block ring eye The rope at top prevents rope up and down, and stress and deformation causes hook to fail when avoiding in ring eye push-in draw hook；Except this it Outside, operator's one hand can be hung over drag rope on draw hook using the tool tong, convenient and efficient, time saving and energy saving, and be hung The ring eye of drag rope will not generate deformation during hook, it can be ensured that drag rope is firmly linked with draw hook, and then is avoided because leading Draw hook void to hang and impact test is caused to fail

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model Improper restriction.In the accompanying drawings:

Fig. 1 is the overall structure diagram of tool tong；

Fig. 2 is the decomposition texture schematic diagram of tool tong；

Fig. 3 is the side view that tool tong clamps drag rope；

Fig. 4 is the ring eye of drag rope and the structural schematic diagram of draw hook.

Appended drawing reference:

1- caliper, 11- caliper upper arm；

12- caliper lower arm, the second bolt of 13-；

14- binding clip；

2- length adjustment mechanism, 21- guide cylinder arm；

22- locking nut, 23- length adjustment arm；

3- support arm, the first bolt of 31-；

32- indent gap；

4- drag rope, 41- ring eye；

42- ring eye node, 43- ring eye top；

5- draw hook, the anti-flake of 51-.

Specific embodiment

It is practical below in conjunction with this to keep the above objects, features, and advantages of the utility model more obvious and easy to understand Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, institute The embodiment of description is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model Embodiment, those of ordinary skill in the art's all other implementation obtained without creative labor Example belongs to the range of the utility model protection.

In the description of the present invention, it should be noted that term " top ", " bottom " "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " fixation " shall be understood in a broad sense, for example, it may be non-dismountable connection, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

Embodiment one

Referring to Fig. 1, or Fig. 4, a kind of tool tong provided in this embodiment hang over car body for auxiliary traction rope 4 On draw hook 5, it is particularly suitable in the complete automobile collision test in automobile manufacturing process, which includes caliper 1, support arm 3 And the length adjustment mechanism 2 for adjusting distance between caliper 1 and support arm 3；Wherein, the bottom of length adjustment mechanism 2 connects It is connected to above 1 rotary shaft of caliper, one end of the top connection support arm 3 of length adjustment mechanism 2, the other end of support arm 3 is equipped with Indent gap 32；Caliper 1 is equipped with cylindrical clipping binding clip 14.

Fig. 3 or Fig. 4 is please referred to, the top and bottom of the length adjustment mechanism 2 of tool tong provided in this embodiment connect respectively Support arm 3 and caliper 1 are connect, for adjusting the distance between caliper 1 and support arm 3, so that the traction that the distance is clamped with needs 41 size of ring eye of rope 4 is adapted to；In addition, the caliper 1 of tool tong provided in this embodiment is equipped with cylindrical clipping binding clip 14, Can be convenient the ring eye node 42 of 41 bottom of ring eye of clamping drag rope 4, the free end of support arm 3 is equipped with indent gap 32, Indent gap 32 is used to resist at the top of the ring eye of drag rope 4 43 rope, then pushes the ring eye of drag rope 41 open anticreep It is firmly linked into draw hook 5 after piece 51.

Since draw hook 5 has the anti-flake 51 for preventing drag rope 4 from falling off, if individually clamp ring eye node 42 or When individually drag rope 4 is pushed away extension in draw hook 5 by any position of clamping ring eye 41, ring eye 41 is easy stress, and deformation occurs, Cause hook to fail, or anti-flake 51 be open a little be open after only clamp drag rope 4 and that drag rope is incomplete It is linked into draw hook, leads to empty extension；Tool tong provided in this embodiment, the indent gap 32 that 3 free end of support arm is equipped with can block The firmly rope at the top of ring eye prevents 41 stress of ring eye up and down or bends, and avoids ring eye 41 when being pushed into draw hook by anticreep The resistance of piece 51 generates deformation and leads to hook failure or empty extension.

In addition to this, using tool tong provided in this embodiment, drag rope 4 can be hung over draw hook by operator's one hand It is convenient and efficient on 5, it is time saving and energy saving, and also the ring 41 of drag rope is not forced generation deformation in hooking process, can push hard Open anti-flake 51, it is ensured that drag rope 4 is firmly linked with draw hook 5, and then avoids causing impact test to fail because void is hung.

Fig. 2 or Fig. 3, tool tong provided in this embodiment are please referred to, length adjustment mechanism 2 includes setting internal thread guiding Cylinder arm 21, and it is matching used equipped with externally threaded length adjustment arm 23 with guide cylinder arm 21, and length adjustment arm 23 is logical The depth being screwable into guide cylinder arm 21 is overregulated, to adapt the distance between support arm 3 and caliper 1 to ring eye 41 Size, the adjustment length by the way of mating bolt, it is easy to operate quickly, and screw thread, apart from small, degree of regulation is high, can clamp First 14 clamp and more firm after ring eye node 42 resist indent gap 32 43 at the top of ring eye, it is ensured that drag rope in hooking process Ring 41 be not forced generation deformation, firmly can push anticreep piece 51 open, it is ensured that drag rope 4 is firmly linked with draw hook 5, and then is kept away Exempt to cause impact test to fail because void is hung.

In addition, length adjustment mechanism 2 further includes locking nut 22, locking nut 22 is set in 23 outside of length adjustment arm, For locking length adjustment arm 23 and guide cylinder arm 21, prevent in hooking process after thrust of the ring eye 41 by anti-flake 51 To 23 applied force of length adjustment arm, and length adjustment arm is caused to rotate, improves the success rate of hook.

It is worth noting that, length adjustment mechanism 2 can also using the internal guide cylinder arm 21 for being equipped with sliding slot and therewith The mode that telescopic length adjustment arm 23 being used cooperatively etc. is capable of conveniently adjustment length realizes, locking nut 22 It can be substituted by buckling or increasing the modes such as frictional force between guide cylinder arm 21 and length adjustment arm 23.

Please continue to refer to Fig. 2, tool tong provided in this embodiment, 23 inner hollow of length adjustment arm and be equipped with screw thread, branch One end of brace 3 is equipped with through-hole, and the first bolt 31 is screwable into length adjustment arm 23 after running through the through-hole, by the one of support arm 3 End is fixed on length adjustment arm 23.The mode that support arm 3 and length adjustment arm 23 are connected by screw bolts, can be in adjustment length After the length of regulating mechanism 2, the angle of support arm 3 is conveniently adjusted, the direction of indent gap 32 and binding clip 14 are kept Unanimously, it is convenient to hang over drag rope 4 on the draw hook 5 of car body.

Please continue to refer to Fig. 1 or Fig. 2, tool tong provided in this embodiment, caliper 1 includes using the second bolt 13 as rotation The caliper upper arm 11 and caliper lower arm 12 of axis, the bottom of guide cylinder arm 5 is fixed on the top of the axial rotary of caliper upper arm 11. Since only distance between adjusting caliper 1 and support arm 3 can be realized in adjustment length regulating arm 23, it is therefore preferable that by guide cylinder 5 bottom of arm be welded on caliper upper arm 11 for through the second bolt 13 through-hole outer on design scheme, reduction hooking process Middle tool tong component generates the factor loosened.In addition, caliper upper arm 11, caliper lower arm 12 and support arm 3 can be linear knot Structure is also possible to fold-line-shaped structure, due to tool tong provided in this embodiment, the vehicle that is particularly suitable in automobile manufacturing process Auxiliary traction rope 4 is hung on the draw hook 5 of car body in impact test, and the draw hook of car body is set to vehicle bottom, therefore on caliper Arm 11, caliper lower arm 12 and support arm 3 are preferably fold-line-shaped structure, reserve enough working spaces, and hook is facilitated to operate.This Outside, the part that caliper upper arm 11 and 12 tail end hand of caliper lower arm are held can use same material with entire caliper, preferably golden Belong to material；The part that caliper upper arm 11 and 12 tail end hand of caliper lower arm are held can also be wrapped up outside metal material using rubber, be mentioned The comfort that height uses.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (6)

1. a kind of tool tong hangs over car body draw hook for auxiliary traction rope, which is characterized in that the tool tong includes pincers Body, support arm and the length adjustment mechanism for adjusting distance between the caliper and the support arm；Wherein,

The bottom of the length adjustment mechanism is connected to above the caliper rotary shaft, the top connection of the length adjustment mechanism The other end of one end of the support arm, the support arm is equipped with indent gap；The caliper is equipped with cylindrical clipping binding clip.

2. tool tong according to claim 1, which is characterized in that the length adjustment mechanism includes setting internal thread to lead To cylinder arm and it is equipped with externally threaded length adjustment arm, the length adjustment arm and the guide cylinder arm are connected through a screw thread solid It is fixed.

3. tool tong according to claim 2, which is characterized in that the length adjustment mechanism further includes locking nut, institute Locking nut is stated to be set on the outside of the length adjustment arm；

The locking nut is used to lock on the length adjustment arm and the guide cylinder arm.

4. tool tong according to claim 2, which is characterized in that the length adjustment arm is equipped with internal screw thread, the support Arm is fixed on the length adjustment arm by the first bolt.

5. tool tong according to claim 2, which is characterized in that the caliper includes using the second bolt as rotary shaft Caliper upper arm and caliper lower arm, the caliper upper arm, the caliper lower arm and the support arm are fold-line-shaped structure.

6. tool tong according to claim 5, which is characterized in that the bottom of the guide cylinder arm is fixed on the caliper The top of the axial rotary of upper arm.