CN217505193U - Bow handle testing device - Google Patents

Abstract

A bow handle testing device comprises a base, a clamping piece and a tension mechanism, wherein the base is provided with a fixing piece for installing a holding part of a bow handle; the two clamping pieces are respectively arranged at the two end parts of the bow handle; the tension mechanism is in synchronous driving connection with the two clamping pieces; before the use, the maximum pulling force of the pulling force mechanism is preset according to the industry standard, then the holding part of the bow handle is installed on the fixing part, the two clamping parts are respectively installed at the two end parts of the bow handle, and then the two clamping parts are synchronously driven through the pulling force mechanism, so that the bow handle is deformed, the pulling force of the pulling force mechanism is gradually increased, and the performance of the bow handle is tested.

Description

Bow handle testing device

Technical Field

The utility model belongs to the technical field of the equipment test technique and specifically relates to a bow is testing arrangement is related to.

Background

The compound bow is a modern bow, has great difference in structure and material compared with the traditional bow, is generally made of modern materials such as aluminum alloy or carbon fiber and the like and modern technology, and has regular shape and higher manufacturing precision.

In order to ensure the stable performance of the composite bow, the composite bow needs to be tested after being produced; the traditional method is that the assembled finished product is placed into a detector, and the bow string is pulled to test, so that the method has long construction period, and if the test result is unqualified, the parts of the composite bow need to be reworked one by one for detection, and the cost of generated labor and materials is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a bow is testing arrangement can detect the bow before the equipment, reduces manual work and material cost effectively.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a bow handle testing device comprises a base, a clamping piece and a tension mechanism, wherein the base is provided with a fixing piece for installing a holding part of a bow handle; the two clamping pieces are arranged and are respectively arranged at the two end parts of the bow handle; the tension mechanism is in synchronous driving connection with the two clamping pieces so as to enable the bow handle to deform.

Preferably, the fixing piece comprises a fixing block and a fixing plate, a fixing groove with an outward opening is formed in the fixing block, and the holding part of the bow handle is correspondingly clamped with the fixing groove; the fixing plate is detachably mounted on the fixing block to cover the opening of the fixing groove.

Preferably, the fixing plate is mounted on the fixing block by screws.

Preferably, the pulling force mechanism comprises a driving part and a pulling rope, the pulling rope is connected with the two clamping parts, and the driving part is in driving connection with the pulling rope so as to adjust the tension degree of the pulling rope.

Preferably, the clamping piece comprises a clamping block, a clamping groove with an opening is formed in the clamping block, and the end part of the bow handle is detachably mounted in the clamping groove; the hauling cable is connected with the two clamping blocks.

Preferably, the clamping block is provided with a screw, and the end part of the bow handle is provided with a nail hole; the screw is in threaded connection with the clamping block, and one end of the screw can penetrate through the screw hole so as to fix the end part of the bow handle in the clamping groove.

Preferably, the clamping piece further comprises a roller, and the roller is rotatably mounted on the clamping block; the traction rope is wound on the rollers of the two clamping blocks, and the driving piece is in driving connection with the traction rope.

Preferably, the base is further rotatably provided with two limiting wheels, and the two limiting wheels are arranged above the rollers of the two clamping blocks; the traction rope penetrates between the two limiting wheels and abuts against the sides of the two limiting wheels, and the driving piece is in driving connection with the traction rope penetrating through the two limiting wheels.

Preferably, the driving part is a tension tester, a traction head arranged above the two limiting wheels is arranged on the tension tester, and the traction head is in driving connection with the traction rope penetrating through the two limiting wheels.

Preferably, the driving part comprises a motor, a toothed chain and a winding wheel, the winding wheel is provided with a rotating shaft which is rotatably connected with the base, a first end of the rotating shaft penetrates through the base, and a gear is arranged at the first end of the rotating shaft; the number of the rolling wheels is two, and the toothed chain is meshed and connected with the gears on the two rolling wheels; the output end of the motor is in driving connection with the toothed chain so as to drive the two winding wheels to synchronously and relatively rotate; the traction rope is designed to be strip-shaped, and two ends of the traction rope penetrate through the two limiting wheels and are respectively fixedly connected with the winding wheel.

Preferably, the circumference edge of winding wheel is equipped with the scale, be equipped with on the base with the instruction piece that the scale corresponds.

Preferably, the device further comprises positioning wheels, the base is further provided with an installation block, the installation block is provided with a first inclined plane inclining outwards and a second inclined plane inclining inwards, the positioning wheels are provided with two parts and are respectively and rotatably installed on the first inclined plane and the second inclined plane, and rope bodies of the traction ropes arranged between the two clamping blocks can be respectively placed on the two positioning wheels.

(III) advantageous effects

The utility model provides a bow handle testing device, which is characterized in that a fixing part is designed on a base for installing a holding part of a bow handle, so that the bow handle is fixed on the base; the two clamping pieces are designed to be used for clamping two end parts of the bow handle, and finally the two clamping pieces are synchronously driven through the tension mechanism, so that the bow handle is deformed to test the performance of the bow handle; in addition, the design can be used for independently detecting the bow handle before the composite bow is assembled, so that the labor cost and the material cost are effectively reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic diagram of a first usage state of the present application;

FIG. 2 shows a front view of FIG. 1;

FIG. 3 shows a cross-sectional view A-A of FIG. 2;

FIG. 4 shows an enlarged view at A in FIG. 3;

FIG. 5 is a schematic diagram of the second embodiment of the present invention;

FIG. 6 shows an exploded view of the overall structure of the present invention;

FIG. 7 shows a partial schematic of the present invention;

fig. 8 shows a schematic view of the structure of the driving member of the present invention.

In the figure: the device comprises a base 1, a fixing part 11, a fixing block 111, a fixing groove 1110, a fixing plate 112, a limiting wheel 12, a mounting block 13, a first inclined surface 131, a second inclined surface 132, an indicating block 1k, a bow handle 2, a holding part 21, a nail hole 2d, a clamping part 3, a clamping block 31, a clamping groove 310, a screw 31d, a roller 32, a tension mechanism 4, a driving part 41, a motor 411, a toothed chain 412, a winding wheel 413, a rotating shaft 4131, a 4132 gear, a scale 413k, a traction rope 42 and a positioning wheel 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a bow testing device comprises a base 1, a clamping piece 3 and a tension mechanism 4, wherein the base 1 is provided with a fixing piece 11 for installing a holding part 21 of a bow 2; the two clamping pieces 3 are arranged and are respectively arranged at the two end parts of the bow handle 2; the tension mechanism 4 is in synchronous driving connection with the two clamping pieces 3 so as to deform the bow handle 2.

The test of the bow handle 2 generally has an industrial standard, and in the standard, after the maximum tension is applied to the bow handle 2, the bow handle 2 can still be recovered; and the utility model provides a bow is testing arrangement, can carry out following test at least:

first, deformation test

The holding part 21 of the bow handle 2 is arranged on the fixing part 11, the two clamping pieces 3 are respectively arranged at the two end parts of the bow handle 2, and then the two clamping pieces 3 are synchronously driven by the tension mechanism 4, so that the bow handle 2 is deformed; and then gradually increasing the pulling force of the pulling force mechanism 4 according to the industrial standard, in the process, detecting the deformation of the bow handle 2 by using a dial indicator so as to obtain an experimental result, comparing the experimental result with the industrial standard, and judging whether the bow handle 2 is qualified.

Second, scrap Property test

Before use, the maximum tension of the tension mechanism 4 is preset according to industry standards, then the holding part 21 of the bow handle 2 is installed on the fixing piece 11, the two clamping pieces 3 are respectively installed at two end parts of the bow handle 2, and then the two clamping pieces 3 are synchronously driven through the tension mechanism 4, so that the bow handle 2 deforms under the maximum tension; if the bow handle 2 is not broken, the tension of the tension mechanism 4 is gradually increased until the bow handle 2 is broken, so as to test the maximum bearing capacity of the bow handle 2.

To sum up, the utility model designs the fixing part 11 on the base 1 for installing the holding part 21 of the bow handle 2, so that the bow handle 2 is fixed on the base 1; the two clamping pieces 3 are designed to clamp two end parts of the bow handle 2, and finally the two clamping pieces 3 are synchronously driven through the tension mechanism 4, so that the bow handle 2 is deformed to test the performance of the bow handle 2; in addition, the design can be used for independently detecting the bow handle 2 before the composite bow is assembled, and the unqualified bow handle 2 can be discovered in time, so that the labor cost and the material cost are effectively reduced.

Referring to fig. 6, the fixing member 11 includes a fixing block 111 and a fixing plate 112, a fixing groove 1110 opened outward is formed in the fixing block 111, and the holding portion 21 of the bow grip 2 is correspondingly engaged with the fixing groove 1110; the fixing plate 112 is detachably mounted on the fixing block 111 to cover the opening of the fixing groove 1110 and lock the holding part 21 of the bow handle 2 in the fixing groove 1110; wherein, fixed plate 112 can be through the mode of buckle or directly through screw mounting on fixed block 111 to make things convenient for the dismouting of bow 2.

Referring to fig. 5 to 6, the tension mechanism 4 includes a driving member 41 and a pulling rope 42, the pulling rope 42 is connected to the two clamping members 3, the driving member 41 is drivingly connected to the pulling rope 42 to adjust the tension of the pulling rope 42; when the performance of the bow handle 2 needs to be tested, the driving piece 41 is started and the traction rope 42 is pulled, so that the traction rope 42 pulls the two synchronous clamping pieces 3, and the bow handle 2 is deformed; the tension of the traction rope 42 can be adjusted by adjusting the tension of the traction rope 42, so that the bow handle 2 can be subjected to performance test.

Referring to fig. 6, the clamping member 3 includes a clamping block 31, the clamping block 31 is provided with a clamping groove 310 with an opening, and the end of the bow 2 is detachably mounted in the clamping groove 310; the pulling rope 42 is connected to the two clamping blocks 31.

Wherein, the end of the bow handle 2 can be detachably mounted in the clamping groove 310 by a buckle, and for the convenience of production, in the utility model, the clamping block 31 is provided with a screw 31d, and the end of the bow handle 2 is provided with a nail hole 2 d; a screw 31d is threadedly coupled to the clamping block 31, and one end of the screw 31d may extend through the nail hole 2d to fix the end of the bow grip 2 in the clamping groove 310.

Specifically, during installation, the screw 31d is unscrewed, so that the screw 31d is separated from the clamping groove 310, the end part of the bow handle 2 is placed in the clamping groove 310, the nail hole 2d at the end part of the bow handle 2 is ensured to be coaxial with the screw 31d, and then the screw 31d is screwed, so that the screw 31d penetrates through the nail hole 2 d; in a detachable mode, the end part of the bow handle 2 can be detached by unscrewing the screw 31 d.

It should be noted that the nail holes 2d are the self-carrying features of the bow handle 2, and two nail holes 2d are designed at one end of the bow handle 2 to facilitate the installation of other accessories of the compound bow; for this reason, the screw 31d of the present invention is also designed to be two in order to improve the mounting stability of the end of the bow 2.

Referring to fig. 1-6, the clamping member 3 further includes a roller 32, the roller 32 being rotatably mounted on the clamping block 31; the traction rope 42 is wound on the rollers 32 of the two clamping blocks 31, and the driving piece 41 is in driving connection with the traction rope 42; the design can reduce the friction force between the traction rope 42 and the clamping block 31, and the service life of the traction rope 42 is prolonged; on the other hand, the traction rope 42 can be ensured to adapt to the deformation of the bow handle 2 in the process of pulling the clamping block 31, and the traction rope 42 is prevented from being locked.

Referring to fig. 1 to fig. 6, two limiting wheels 12 are further rotatably mounted on the base 1, and the two limiting wheels 12 are both disposed above the rollers 32 of the two clamping blocks 31; the traction rope 42 penetrates between the two limiting wheels 12 and is abutted against the wheel sides of the two limiting wheels 12, and the driving piece 41 is in driving connection with the traction rope 42 penetrating through the two limiting wheels 12;

the driving member 41 may drive the pulling rope 42 to swing freely in the process of pulling the pulling rope 42, so that the pulling rope 42 is easy to break, and the design of the limiting wheel 12 may limit the moving range of the pulling rope 42 and guide the pulling rope 42 to move, thereby reducing the risk of breaking the pulling rope 42.

Further, in the utility model discloses in, driving piece 41 is the tensile test machine (not shown in the figure), is equipped with the traction head (not shown in the figure) of arranging two spacing wheels 12 top in on the tensile test machine, and the traction head is connected with the haulage rope 42 drive that passes two spacing wheels 12.

Wherein, the tension test machine belongs to prior art, pulls haulage rope 42 through the pull head pulling of tension test machine, can make bow 2 take place deformation, and can show current pulling force size on the tension test machine this moment, and the person of facilitating the use judges.

Referring to fig. 6-8, considering that the tensile testing machine belongs to an external device, and needs to occupy a larger space, in order to reduce the occupied space and realize integration, the driving member 41 of the present invention includes a motor 411, a toothed chain 412 and a winding wheel 413, the winding wheel 413 is provided with a rotating shaft 4131 rotatably connected to the base 1, a first end of the rotating shaft 4131 penetrates through the base 1, and a first end of the rotating shaft 4131 is provided with a gear 4132; two winding wheels 413 are provided, and the toothed chain 412 is meshed with the gears 4132 on the two winding wheels 413; the output end of the motor 411 is in driving connection with the toothed chain 412 to drive the two winding wheels 413 to synchronously rotate relatively; the pulling rope 42 is designed in a strip shape, and two ends of the pulling rope 42 penetrate through the two limiting wheels 12 and are respectively fixedly connected with the winding wheel 413.

Specifically, when the bow handle 2 is used, the starting motor 411 drives the two winding wheels 413 to synchronously and relatively rotate, so that the two ends of the traction rope 42 can be respectively wound in opposite directions, and the traction rope 42 is gradually tensioned to pull the two clamping blocks, so that the bow handle 2 is deformed; when the number of winding turns of the winding wheel 413 is larger, the pulling force of the traction rope 42 is larger at the moment, and the deformation range of the handle 2 is larger, so that the performance of the handle 2 is tested.

It should be noted that the rotation force of the motor 411 is generally fixed, so when selecting the motor 411, it is necessary to ensure that the maximum rotation force of the motor 411 is larger than the pulling force required by the breaking of the handle 2, and during the process of winding up the pulling rope 42 by the winding wheel 413, the pulling force of the pulling rope 42 will gradually increase until it is equal to the maximum rotation force of the motor 411.

Referring to fig. 6, a scale 413k is provided at a circumferential edge of the winding wheel 413, and an indication block 1k corresponding to the scale 413k is provided on the base 1; the above design facilitates the user to observe the number of turns of the winding wheel 413, so as to determine the current tension.

Referring to fig. 1 to 4, the positioning device further includes a positioning wheel 5, the base 1 is further provided with a mounting block 13, the mounting block 13 is provided with a first inclined surface 131 inclined outward and a second inclined surface 132 inclined inward, the positioning wheel 5 is provided with two and rotatably mounted on the first inclined surface 131 and the second inclined surface 132, respectively, and rope bodies of the traction ropes 42 disposed between the two clamping blocks 31 can be respectively placed on the two positioning wheels 5.

In consideration of the fact that when the compound bow is used, bowstrings can be pulled in different directions, for example, the bowstrings are pulled to the left side or the right side of the bow handle 2, so that the mounting block 13 and the positioning wheel 5 are designed in the utility model in order to make the test experiment more rigorous;

when a use scene that the bowstring is pulled to the right side of the bow handle 2 needs to be simulated, the traction rope 42 is placed on the positioning wheel 5 of the first inclined surface 131; when a use scene that the bowstring is pulled to the right side of the bow handle 2 needs to be simulated, the traction rope 42 is placed on the positioning wheel 5 of the second inclined surface 132.

In conclusion, the design of the positioning wheel 5 can position the stress direction of the bow handle 2, and the deformation of the left side and the right side of the bow handle 2 can be conveniently tested.

It should also be noted that while embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application.

Claims (10)

1. The bow handle testing device is characterized by comprising a base (1), a clamping piece (3) and a tension mechanism (4); the base (1) is provided with a fixing piece (11) for installing a holding part (21) of the bow handle (2); the two clamping pieces (3) are arranged and are respectively arranged at two end parts of the bow handle (2); the tension mechanism (4) is in synchronous driving connection with the two clamping pieces (3) so as to enable the bow handle (2) to deform.

2. A bow handle testing device according to claim 1, wherein the fixing member (11) comprises a fixing block (111) and a fixing plate (112), a fixing groove (1110) opened outwards is formed in the fixing block (111), and the holding portion (21) of the bow handle (2) is correspondingly clamped with the fixing groove (1110); the fixing plate (112) is detachably mounted on the fixing block (111) to cover the opening of the fixing groove (1110).

3. A bow testing device according to claim 1, wherein the tension mechanism (4) comprises an actuating member (41) and a pull cord (42), the pull cord (42) being connected to both of the clamps (3), the actuating member (41) being drivingly connected to the pull cord (42) for adjusting the tension of the pull cord (42).

4. A bow handle testing device according to claim 3, wherein the clamping member (3) comprises a clamping block (31), the clamping block (31) is provided with a clamping groove (310) with an opening design, and the end part of the bow handle (2) is detachably arranged in the clamping groove (310); the traction rope (42) is connected with the two clamping blocks (31).

5. A bow handle testing device according to claim 4, wherein the clamp (3) further comprises a roller (32), the roller (32) being rotatably mounted on the clamp block (31); the traction rope (42) is wound on the rollers (32) of the two clamping blocks (31), and the driving piece (41) is in driving connection with the traction rope (42).

6. A handle testing device according to claim 5, wherein two limiting wheels (12) are rotatably mounted on the base (1), and the two limiting wheels (12) are arranged above the rollers (32) of the two clamping blocks (31); the traction rope (42) penetrates between the two limiting wheels (12) and is abutted against the wheel sides of the two limiting wheels (12), and the driving piece (41) is in driving connection with the traction rope (42) penetrating through the two limiting wheels (12).

7. A bow testing device according to claim 6, wherein the driving member (41) is a tensile tester having a pulling head disposed above the two limit wheels (12), the pulling head being drivingly connected to the pulling rope (42) passing through the two limit wheels (12).

8. A bow testing device according to claim 6, wherein the driving member (41) comprises a motor (411), a toothed chain (412) and a winding wheel (413), wherein the winding wheel (413) is provided with a rotating shaft (4131) rotatably connected with the base (1), a first end of the rotating shaft (4131) penetrates through the base (1), and a first end of the rotating shaft (4131) is provided with a gear (4132); the number of the winding wheels (413) is two, and the toothed chain (412) is in meshed connection with the gears (4132) on the two winding wheels (413); the output end of the motor (411) is in driving connection with the toothed chain (412) so as to drive the two winding wheels (413) to synchronously rotate relatively; the traction rope (42) is in a strip-shaped design, and two ends of the traction rope (42) penetrate through the two limiting wheels (12) and are respectively fixedly connected with the rolling wheel (413).

9. A bow testing device according to claim 8, wherein the reel (413) is provided with a scale (413k) at a circumferential edge thereof, and the base (1) is provided with an indicating block (1k) corresponding to the scale (413 k).

10. A bow testing device according to claim 6, further comprising a positioning wheel (5), wherein the base (1) is further provided with a mounting block (13), the mounting block (13) is provided with a first inclined surface (131) inclined outwards and a second inclined surface (132) inclined inwards, the positioning wheel (5) is provided with two and rotatably mounted on the first inclined surface (131) and the second inclined surface (132), respectively, and the pulling rope (42) disposed between the two clamping blocks (31) can be disposed on the two positioning wheels (5), respectively.

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