CN215492863U

CN215492863U - Binding post tensile test machine

Info

Publication number: CN215492863U
Application number: CN202121604850.4U
Authority: CN
Inventors: 董永勋
Original assignee: Qingdao Jinhua Rail Transit Equipment Co ltd
Current assignee: Qingdao Jinhua Rail Transit Equipment Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-11
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to the technical field of tension testing, and discloses a tension tester for a wiring terminal, which comprises a base and a tension tester for testing the tension of the wiring terminal, wherein the tension tester is connected with the base through a first sliding block, the tension tester is fixedly connected with the first sliding block, the tension tester is fixedly connected with a limiting mechanism for limiting the wiring terminal through a fixed rod, the tension tester and the limiting mechanism can move relative to the base through an operating mechanism and realize tension testing on the wiring terminal during movement, and an upright post and a fixing mechanism for fixing a wiring harness are arranged on the base. According to the utility model, the purpose of preventing the wire harness from sliding can be realized by only winding the wire harness for several circles around the upright post to increase the friction force and then appropriately fixing the loose end of the wire harness without excessively clamping the wire harness, and the clamping force on the wire harness can be greatly reduced without damaging the insulating rubber layer of the wire harness.

Description

Binding post tensile test machine

Technical Field

The utility model relates to the technical field of tension testing, in particular to a tension testing machine for a wiring terminal.

Background

The connecting terminal is applied to facilitate the connection of wires, and is a section of metal sheet sealed in insulating plastic, the wires can be inserted into holes at two ends of the metal sheet, the wires are fixedly arranged in the connecting terminal in a screw or card clamping mode, the connected wires can be disconnected at any time, the connecting wires do not need to be welded or wound together, and the connecting terminal is very convenient and quick to use. In order to ensure the connection firmness of the wiring terminal and the wire and ensure the use safety, the tension test needs to be carried out on the wiring terminal.

The utility model discloses a utility model patent with application number CN202020751792.7, entitled "anchor clamps for tensile testing of automobile wire harness connecting terminal", which discloses "an anchor clamps for tensile testing of automobile wire harness connecting terminal, including the body, the left side fixedly connected with tensiometer of body upper surface, the middle department of body upper surface has seted up the spout, the right-hand member swing joint of tensiometer has the pull rod, the inner chamber swing joint of spout has the clamp platform, just the left surface of clamp platform and the other end fixed connection of pull rod, the positive upside of clamp platform fixedly connected with first sliding bolt, the positive downside of clamp platform fixedly connected with second sliding bolt, the surface of first sliding bolt rotates and is connected with first arm lock, the surface of second sliding bolt rotates and is connected with the second arm lock, first arm lock with the second arm lock passes through the set screw and is connected, the right side of body upper surface is provided with first fixed station and second fixed station, the one end of first fixed station and second fixed station is connected through stop screw, the right-hand member through connection of body has the test screw. "this patent is through rotatory stop screw, and the size of adjustable test port passes the test port with the head of loosing of pencil to through rotatory clamping screw, adjust the distance between first arm lock and the second arm lock and make the head of loosing of pencil press from both sides tightly in pressing from both sides the mouth, through rotatory test screw at last, make the clamp platform slowly move left, the pull rod extrudees left, makes the tensiometer take place deformation, observes the scale pulling force value that corresponds when deformation, and the scale pulling force value of observing is the pulling force value of pencil promptly.

Although the utility model can realize the purpose of performing tension test on the wiring terminal, when fixing the wiring harness loose head, the distance between the first clamping arm and the second clamping arm is adjusted by rotating the fixing screw rod so that the wiring harness loose head is clamped and fixed in the clamping opening, because the clamping force between the first clamping arm and the second clamping arm is manually controlled, the force is difficult to accurately grasp, and when the clamping force between the first clamping arm and the second clamping arm is smaller, the situation that the wire slides easily occurs during testing; when the tight dynamics of clamp between first arm lock and the second arm lock was bigger than normal, can make the insulating rubber layer of pencil suffer damage under the extrusion of high strength easily, therefore this fixed mode needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tension testing machine for a wiring terminal, which has the advantages of effectively fixing a wire harness and not damaging an insulating rubber layer of the wire harness, so as to solve the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: a tensile testing machine for wiring terminals comprises a base and a tensile tester used for testing tensile force of the wiring terminals, wherein the tensile tester is connected with the base through a first sliding block and is fixedly connected with the first sliding block, the tensile tester is fixedly connected with a limiting mechanism used for limiting the wiring terminals through a fixing rod, the tensile tester and the limiting mechanism can move relative to the base through an operation and control mechanism and achieve tensile testing on the wiring terminals when moving, an upright column and a fixing mechanism used for fixing a wiring harness are arranged on the base, and the wiring harness is connected with the fixing mechanism after being wound around the upright column.

In the wiring terminal tension testing machine, the fixing mechanism comprises a supporting seat fixedly mounted on the base, a lower pressing plate is fixedly mounted on the supporting seat, a first movable groove is formed in the supporting seat, a sliding rod is connected in the first movable groove in a sliding mode through a first spring, an upper pressing plate is fixedly connected to the other end of the sliding rod, clamping grooves for inserting and penetrating out of a wiring harness are symmetrically formed in the upper pressing plate and the opposite face of the lower pressing plate, and when the wiring harness is inserted into the two clamping grooves, the two clamping grooves can clamp the wiring harness tightly under the action of the first spring.

In the wiring terminal tension tester, the inner wall of the clamping groove is arc-shaped, and the arc length of the arc is less than half of the circumference.

According to the wiring terminal tension testing machine, the outer surface of the stand column is provided with the external threads, the outer surface of the stand column is sleeved with the cylindrical barrel in a threaded manner, the cylindrical barrel consists of the upper cylindrical barrel and the lower cylindrical barrel which are integrally connected, and the outer diameter of the upper cylindrical barrel is smaller than that of the lower cylindrical barrel.

In the wiring terminal tension testing machine, the limiting mechanism comprises a second sliding block, a limiting column is fixedly mounted on the second sliding block, a notch is formed in the side surface of the limiting column, a second movable groove communicated with the notch is further formed in the limiting column, a stop lever is connected in the second movable groove in a sliding mode through a second spring, an insertion hole capable of enabling the wiring harness to be inserted into and freely slide is formed between the stop lever and the side wall of the groove, and the insertion hole can prevent the wiring terminal from passing through.

In the wiring terminal tensile force testing machine, the inclined surface which enables the wiring harness to smoothly slide into the jack is formed on the bottom surface of the stop lever.

In the wiring terminal tension testing machine, the control mechanism comprises a chute arranged on the base, the first slider and the second slider are both connected with the chute in a sliding manner, a lead screw is arranged in the chute in a rotating manner, one end of the lead screw extends to the outside of the base and is fixedly connected with the handle, the lead screw penetrates through the first slider and the second slider in a threaded manner, and when the handle rotates, the first slider and the second slider slide along the chute.

The utility model has the following beneficial effects:

1. the utility model provides a tension tester for a wiring terminal, which is characterized in that an upright post and a fixing mechanism for fixing a wiring harness are arranged and matched for use, the wiring harness is wound around the upright post and then connected with the fixing mechanism, the wound wiring harness utilizes the friction force between the wiring harness and the upright post, the wire harness is not easy to slide when being pulled, then the wire harness is tensioned and the loose head of the wire harness passes through the clamping groove to be compressed and fixed, the compression fixing strength of the clamping groove to the wire harness does not need to be too large, only the wire harness can be fixed, compared with the prior art, when the wire harness is fixed, the wire harness does not need to be excessively clamped, only the wire harness needs to be wound around the upright post for a plurality of circles to increase the friction force and then the loose end of the wire harness is properly fixed, can realize preventing the gliding purpose of pencil, can reduce greatly the tight dynamics of clamp to the pencil moreover, can not damage the insulating rubber layer of pencil, can effectively solve foretell technical problem.

2. According to the wiring terminal tension tester provided by the utility model, bolts are not needed in the process of fixing the wiring harness, and the operation is more convenient and faster.

3. The wiring terminal tension tester provided by the utility model has the advantages of simple structure, low cost, small volume and convenience in carrying.

4. The connecting terminal tension tester provided by the utility model is suitable for tension tests of connecting terminals of wire harnesses with various specifications, and the tension test standards of the connecting terminals of the wire harnesses with various specifications are the same, so that the test result is more accurate.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural diagram of a first view angle of a wire connecting terminal tensile testing machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second view angle of the wire connecting terminal tension tester according to the embodiment of the utility model;

FIG. 3 is a cross-sectional view of a securing mechanism provided in accordance with an embodiment of the present invention;

FIG. 4 is an enlarged view of part A according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a limiting column according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a spacing column according to an embodiment of the utility model.

Description of reference numerals:

1. a base; 2. a column; 3. a supporting seat; 4. an upper pressure plate; 5. a screw rod; 6. a second slider; 7. a first slider; 8. a first spring; 9. a tensile tester; 10. fixing the rod; 11. a limiting column; 12. a chute; 13. a lower cylindrical barrel; 14. an upper cylindrical barrel; 15. a lower pressing plate; 16. a card slot; 17. a slide bar; 18. a stop lever; 19. a jack; 20. a first movable slot; 21. a second spring; 22. a second movable groove.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, a wiring terminal tension tester provided by an embodiment of the present invention includes a base 1 and a tension tester 9 for testing tension of a wiring terminal, the tension tester 9 is connected to the base 1 through a first slider 7, the tension tester 9 is fixedly connected to the first slider 7, the tension tester 9 is fixedly connected to a limiting mechanism for limiting the wiring terminal through a fixing rod 10, the tension tester 9 and the limiting mechanism can move relative to the base 1 through an operation mechanism and perform a tension test on the wiring terminal when moving, an upright 2 and a fixing mechanism for fixing a wire harness are provided on the base 1, and the wire harness is connected to the fixing mechanism after being wound around the upright 2.

Specifically, the base 1 is used for supporting each component of the tensile testing machine, and for the firmness and stability during testing, the base 1 can be fixedly installed on a working surface through various fixing modes such as bolt connection, the base 1 is used for performing tensile testing on a wiring terminal, a testing result is displayed in a display screen on the tensile testing device 9 in a digital form (the tensile testing device is the prior art and is not described in detail), the tensile testing device 9 is fixedly connected with the first sliding block 7, the tensile testing device 9 is prevented from moving during tensile testing, a loose end part and a wiring terminal part of a wiring harness need to be relatively fixed respectively during tensile testing, wherein the limiting mechanism is used for limiting the wiring terminal, so that the wiring terminal cannot move during tensile testing, and the upright post 2 and the fixing mechanism are used for fixing the loose end of the wiring harness at the same time, when binding post by spacing back, twine the pencil on stand 2, later further compress tightly fixedly the pencil with fixed establishment, thereby can accomplish whole fixed work, control mechanism is used for carrying out binding post's tensile test to the pencil after fixing, when starting control mechanism, can make tensile tester 9 and stop gear remove simultaneously, thereby make the pencil constantly pulled, the pulling force can show on tensile tester 9, thereby obtain binding post's test result, control mechanism adopts manual mode to start, even be favorable to operating personnel to adjust and control.

In this embodiment, through setting up stand 2 and the fixed establishment who is used for fixed pencil, both cooperate and use, be connected with fixed establishment after winding stand 2 with the pencil again, pencil utilization after the winding and stand 2 between the frictional force, can make the pencil difficult appearance slip when being dragged, later again with the pencil taut and with its loose head pass draw-in groove 16 compress tightly fixedly, draw-in groove 16 need not too big to the clamping force degree of pencil, as long as can be fixed with the pencil can, compare with prior art, when fixed to the pencil, need not excessively press from both sides tight to the pencil, only need to loose the head moderate degree fixed with the pencil after winding several rings of increase frictional force with the pencil round stand 2, can realize preventing the gliding purpose of pencil, and the tight dynamics of clamp to the pencil can reduce greatly, can not damage the insulating rubber layer of pencil.

In the embodiment, in order to ensure moderate compression fixing force for loose wire harness, and prevent the wire harness from being damaged due to too large force, and the wire harness from loosening due to too small force, in a preferred embodiment of the fixing mechanism, the fixing mechanism comprises a support base 3 fixedly mounted on a base 1, a lower pressing plate 15 is fixedly mounted on the support base 3, a first movable groove 20 is arranged on the support base 3, a sliding rod 17 is slidably connected in the first movable groove 20 through a first spring 8, the first movable groove 20 is used for limiting the sliding rod 17 in the horizontal direction, and simultaneously provides a sliding space of the sliding rod 17 in the height direction, an upper pressing plate 4 is fixedly connected to the other end of the sliding rod 17, clamping grooves 16 for inserting and penetrating out the wire harness are symmetrically arranged on the opposite surfaces of the upper pressing plate 4 and the lower pressing plate 15, and the opposite surfaces of the upper pressing plate 4 and the lower pressing plate 15 are mutually attached in a natural state, the two clamping grooves 16 are connected into a whole, and when the wiring harness is inserted into the two clamping grooves 16, the two clamping grooves 16 can clamp the wiring harness under the action of the first spring 8.

When the loose head of the wire harness needs to be fixed, the upper pressing plate 4 is pulled upwards, the first spring 8 is stretched, the two clamping grooves 16 are separated to generate an insertion space, the sliding rod 17 cannot be separated from the first movable groove 20, then the loose head can pass through the space between the two clamping grooves 16 and be tensioned, then the acting force on the upper pressing plate 4 is released, and the upper pressing plate 4 moves downwards under the elastic force of the first spring 8 and presses the loose head of the wire harness in the two clamping grooves 16.

The fixing mode is that the elastic force of the first spring 8 is utilized to provide pressing acting force, and fixing is not needed in a mode of rotating a bolt, so that the fixing mode is more rapid and convenient; and the elasticity of first spring 8 is certain, does not need artificial control dynamics, and the fixed dynamics to the same specification pencil is all the same at every turn, compresses tightly fixedly the pencil, can not cause to compress tightly too big or the undersize dynamics to solve foretell technical problem.

In this embodiment, the combination of the first movable groove 20, the sliding rod 17 and the first spring 8 is preferably two groups, and the two groups are respectively located on the left side and the right side of the upper press plate 4, the acting force on the upper press plate 4 can be increased by the two first springs 8, the firmness of fixing the loose wire harness is ensured, the stability of the upper press plate 4 during up-down movement can be improved by the two sliding rods 17, and the upper press plate 4 is prevented from moving in the horizontal direction, so that the two clamping grooves 16 are prevented from being dislocated.

In this embodiment, the handle can be fixedly installed on the upper plate 4, and the upper plate 4 is pulled upward by the handle, so that the convenience of operation can be improved.

Still further, the inner wall of draw-in groove 16 is the arc, and curved arc length is less than half circumference, and the arc design of draw-in groove 16 inner wall can increase the area of contact to the pencil surface, improves the fastness of pencil in draw-in groove 16, and curved arc length is less than half circumference's aim at, can satisfy draw-in groove 16 not only can fix the pencil that the diameter is greater than the arc diameter, fixes the pencil that the diameter equals or slightly is less than the arc diameter simultaneously for the fixed range of draw-in groove 16 is wider, makes it be applicable to the pencil of more specifications.

When the tensile testing machine is used for carrying out tensile testing on a wiring terminal, in order to ensure the accuracy of the tensile testing, the tensile direction borne by the tensile tester 9 and the tensile direction borne by a wiring harness are on the same straight line, so as to prevent component force from generating to cause inaccurate testing results, in the embodiment, further, external threads are arranged on the outer surface of the upright post 2, a cylindrical barrel is sleeved on the outer surface threads of the upright post 2, the cylindrical barrel consists of an upper cylindrical barrel 14 and a lower cylindrical barrel 13 which are integrally connected, the outer diameter of the upper cylindrical barrel 14 is smaller than that of the lower cylindrical barrel 13, the wiring harness is wound on the upper cylindrical barrel 14, the bottom of the wiring harness is in contact with the top of the lower cylindrical barrel 13, the lower cylindrical barrel 13 plays a limiting role, the wiring harness is wound upwards and spirally wound on the top of the lower cylindrical barrel 13 in sequence when being tightly attached to the winding, and whether the wiring harness positioned between the cylindrical barrel and the limiting mechanism is parallel to the fixing rod 10 can be observed after winding, if the wire harness is not parallel to the fixed rod 10, the cylindrical barrel is rotated by external force to move in the height direction until the wire harness between the cylindrical barrel and the limiting mechanism is parallel to the fixed rod 10, and at the moment, no component force is generated during a tension test, so that the test accuracy is improved; when the tensile force test of the wiring terminal is carried out on the wiring harnesses with the same specification, the wiring terminals are tightly attached to the top of the lower cylindrical barrel 13 firstly, and then the wiring terminals are spirally wound upwards in sequence, so that the height of the cylindrical barrel is not required to be adjusted, and the convenience of operation is improved; and to the pencil of different specifications, its diameter is different for the central line height that the pencil twined on the cylindricality section of thick bamboo is different, and this height adjustment mode of cylindricality section of thick bamboo can be applicable when needing to change the pencil of other specifications equally, improves the variety of tensile test.

In a preferred embodiment, the limiting mechanism in this embodiment includes a second slider 6, a limiting post 11 is fixedly mounted on the second slider 6, a notch is formed in a side surface of the limiting post 11, the notch is used for allowing a wire harness to enter, a second movable groove 22 communicated with the notch is further formed in the limiting post 11, a stop lever 18 is slidably connected in the second movable groove 22 through a second spring 21, the second movable groove 22 is used for horizontally limiting the stop lever 18 and providing a sliding space in a height direction for the stop lever 18, under the action of the second spring 21, the bottom of the stop lever 18 can abut against the bottom surface of the notch, so that an insertion hole 19 which can allow the wire harness to be inserted and freely slide is formed between the stop lever 18 and a side wall of the groove, the insertion hole 19 can prevent the wire harness from passing through, and the wire harness can freely slide in the insertion hole 19, so that when a tensile test is performed, the terminal is stopped by the stop post 11 and the stop lever 18, so that the terminal is stopped.

Because the bottom of the stop lever 18 abuts against the bottom surface of the notch under the action of the second spring 21, when the wiring harness is inserted into the insertion hole 19, the movable end of the wiring harness can be directly inserted into the insertion hole 19, but the operation time of the mode is very long when the wiring harness is too long, the stop lever 18 can be lifted, a gap is formed between the bottom of the stop lever 18 and the bottom surface of the notch, the wiring harness can directly penetrate into the insertion hole 19, the stop lever 18 is small in size and inconvenient to lift, for this reason, in the embodiment, the bottom surface of the stop lever 18 is further provided with an inclined surface which enables the wiring harness to smoothly slide into the insertion hole 19, when the wiring harness is close to the inclined surface and pushed inwards, the wiring harness automatically enters into the insertion hole 19 along the inclined surface, and the mode is quicker, simpler and more convenient.

In this embodiment, control the mechanism including setting up spout 12 on base 1, first slider 7 and second slider 6 all with spout 12 sliding connection, the spout 12 internal rotation is provided with lead screw 5, the one end of lead screw 5 extends to base 1's outside and fixedly connected with handle, the handle can be designed into multiform, can drive lead screw 5 rotatory can, lead screw 5 screw thread runs through first slider 7 and second slider 6, when the handle rotates, first slider 7 and second slider 6 will slide along spout 12. Through adopting lead screw 5, when the twist grip, lead screw 5 is rotatory along with it, and first slider 7 and

second slider

6 and 5 screw thread external member of lead screw, and spout 12 is spacing at the radial direction of lead screw 5 with first slider 7 and second slider 6 again, make lead screw 5 rotatory, 5 axial direction's removal can be carried out to first slider 7 and second slider 6, when first slider 7 and second slider 6 remove, will drive tensile tester 9 and stop gear and remove, thereby pull fixed pencil, realize the purpose of tensile test. Utilize lead screw 5 can make tensile tester 9 and stop gear's range of movement littleer, and remove more gently, can control the pulling force value to the pencil more accurately.

The working principle is as follows: firstly, the base 1 is installed on a worktable, then one end of a wiring harness wiring terminal is pushed inwards from the inclined plane at the bottom of the stop lever 18 to enable the wiring harness to enter the jack 19, then the wiring harness is tensioned, the wiring harness wiring terminal is limited at one side of the jack 19, then the wiring harness at the other end is firstly tightly attached to the top of the lower cylindrical barrel 13, then the wiring harness is sequentially spirally wound upwards on the upper cylindrical barrel 14 for ensuring the firmness of the wiring harness, a plurality of turns can be wound, then the rest wiring harness is continuously tensioned, the upper pressure plate 4 is pulled upwards to enable the first spring 8 to be stretched, the two clamping grooves 16 are separated to generate an insertion space, the movable end of the wiring harness penetrates through the space between the two clamping grooves 16 and is tensioned, then the acting force on the upper pressure plate 4 is released, the upper pressure plate 4 moves downwards under the elasticity of the first spring 8, and the loose ends of the wiring harness are tightly pressed in the two clamping grooves 16, after fixing is completed, the handle is rotated, the handle drives the screw rod 5 to rotate, the tension tester 9 and the limiting mechanism move towards the direction far away from the cylindrical barrel, tension testing is performed on the wiring terminal, and the tension value is displayed in a display screen on the tension tester 9.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a binding post tensile test machine, includes base (1) and is used for testing tensile tester (9) of binding post (9), tensile tester (9) are connected with base (1) through first slider (7), tensile tester (9) and first slider (7) fixed connection, tensile tester (9) through dead lever (10) with be used for carrying out spacing stop gear fixed connection to binding post, tensile tester (9) and stop gear accessible control mechanism and base (1) relative movement and realize the tensile test to binding post when removing, its characterized in that: the wire harness fixing device is characterized in that the base (1) is provided with a stand column (2) and a fixing mechanism for fixing a wire harness, and the wire harness is connected with the fixing mechanism after being wound around the stand column (2).

2. The wire connecting terminal tension testing machine of claim 1, wherein: the fixing mechanism comprises a supporting seat (3) fixedly mounted on a base (1), a lower pressing plate (15) is fixedly mounted on the supporting seat (3), a first movable groove (20) is formed in the supporting seat (3), a sliding rod (17) is connected into the first movable groove (20) through a first spring (8) in a sliding mode, an upper pressing plate (4) is fixedly connected to the other end of the sliding rod (17), clamping grooves (16) used for inserting and wearing out a wiring harness are symmetrically formed in the upper pressing plate (4) and the lower pressing plate (15) in a facing mode, and when the wiring harness is inserted into the two clamping grooves (16), the clamping grooves (16) can clamp the wiring harness tightly under the action of the first spring (8).

3. The wire connecting terminal tension testing machine of claim 2, wherein: the inner wall of the clamping groove (16) is arc-shaped, and the arc length of the arc is less than half of the circumference.

4. The wire connecting terminal tension testing machine of claim 1, wherein: the outer surface of the upright post (2) is provided with external threads, the outer surface of the upright post (2) is sleeved with a cylindrical barrel in a threaded manner, the cylindrical barrel consists of an upper cylindrical barrel (14) and a lower cylindrical barrel (13) which are integrally connected, and the outer diameter of the upper cylindrical barrel (14) is smaller than that of the lower cylindrical barrel (13).

5. The wire connecting terminal tension testing machine of claim 1, wherein: stop gear includes second slider (6), fixed mounting has spacing post (11) on second slider (6), the notch has been seted up to the side of spacing post (11), just still set up second activity groove (22) that are linked together with the notch in spacing post (11), there is pin (18) through second spring (21) sliding connection in second activity groove (22), form between the lateral wall of pin (18) and recess and can make the pencil insert and freely gliding jack (19), jack (19) can prevent binding post to pass.

6. The wire connecting terminal tension testing machine of claim 5, wherein: the bottom surface of the stop lever (18) is formed with an inclined surface which enables the wiring harness to smoothly slide into the insertion hole (19).

7. The wire connecting terminal tension testing machine of claim 1, wherein: control the mechanism including setting up spout (12) on base (1), first slider (7) and second slider (6) all with spout (12) sliding connection, spout (12) internal rotation is provided with lead screw (5), the one end of lead screw (5) extends to the outside and the fixedly connected with handle of base (1), lead screw (5) screw thread runs through first slider (7) and second slider (6), works as when the handle rotates, first slider (7) and second slider (6) will slide along spout (12).