CN220120553U - Contrary bending bow tensile testing arrangement - Google Patents
Contrary bending bow tensile testing arrangement Download PDFInfo
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- CN220120553U CN220120553U CN202321484530.9U CN202321484530U CN220120553U CN 220120553 U CN220120553 U CN 220120553U CN 202321484530 U CN202321484530 U CN 202321484530U CN 220120553 U CN220120553 U CN 220120553U
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- 238000005452 bending Methods 0.000 title claims abstract description 26
- 238000009864 tensile test Methods 0.000 title description 4
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of bow and arrow tension testing devices, and particularly relates to a reverse bending bow tension testing device which comprises a chassis, a shell, a tension detecting mechanism, a bow piece positioning mechanism and a tension display screen, wherein the tension detecting mechanism comprises an electric push rod, a first sliding rail is arranged on the chassis, and the bow piece positioning mechanism is in sliding connection with the chassis through the first sliding rail. According to the device for testing the tension of the reverse bending bow, the tension test of the reverse bending bow can be carried out through the electric push rod, and the tension test of the bow piece can be carried out through the electric push rod; the bow piece positioning mechanism is arranged on the underframe in a sliding way, so that the position of the bow piece positioning mechanism is prevented from influencing the tensile force test of the anti-bending bow.
Description
Technical Field
The utility model belongs to the technical field of bow and arrow tension testing devices, and particularly relates to a device for testing a reverse bending bow tension.
Background
The utility model provides a reverse bending bow, including bow handle, upper and lower bow piece and bowstring, in reverse bending bow manufacturing process, need carry out tensile test to bow piece and just assembled reverse bending bow, current reverse bending bow's tensile test generally detects through the manual work, wastes time and energy, inefficiency.
In the prior art, tension test equipment can only carry out tension test to the bow piece generally, in the patent of patent number 201922440876.9, put forward a contrary bending bow monolithic tension test device, including test board, tension test mechanism and bow piece positioning mechanism, can protect the bow piece in contrary bending bow piece test, reduce the bow piece disability rate, and can be applicable to the tension test of the bow piece of different width, singly still can not satisfy tension test equipment both can carry out tension test to the bow piece, and this equipment can carry out tension test to compound bow again simultaneously.
Disclosure of Invention
The utility model aims to provide a device for testing the tensile force of a buckling bow, which aims to solve the technical problems in the background technology.
In order to achieve the technical purpose, the technical scheme of the utility model comprises the following steps:
the device comprises a chassis, wherein a shell is fixedly arranged on one side of the top surface of the chassis, a tension detection mechanism is fixedly arranged on the inner wall of the bottom of the shell, a first opening is formed in the top of one side of the shell, a second opening is formed in the bottom of the same side of the shell, a first limit column is arranged on the shell between the first opening and the second opening, and an arch piece positioning mechanism is slidably arranged on the top surface of one end of the chassis;
the tension detection mechanism comprises an electric push rod fixed at the bottom of the shell, the position of the electric push rod corresponds to the first opening, the output end of the electric push rod is connected with a first connecting rod, one end of the first connecting rod extends to the first opening, the top end of the first connecting rod is connected with a first supporting cross rod, a first dynamometer is arranged in the middle of the first supporting cross rod, a bowstring hook is arranged at the bottom of the first dynamometer, and the position of the bowstring hook corresponds to the position of the first limiting column;
the first support horizontal pole is connected with the second connecting rod, the middle part of second connecting rod with the middle part fixed connection of first connecting rod, the position of second connecting rod with the second opening is corresponding, the bottom of second connecting rod stretches to second opening part, the bottom of second connecting rod is connected with the second support horizontal pole, the fixed supporting shoe that is equipped with on the second support horizontal pole, the fixed second dynamometer that is equipped with in top of supporting shoe.
As an improvement, the bow piece positioning mechanism comprises a base which is arranged on the underframe in a sliding manner, a first sliding groove is formed in the bottom surface of the base, a clamping mechanism is arranged on one side, away from the shell, of the base, a second limiting column is arranged in the middle of the top surface of the base, a through hole is formed in the middle of the side wall of the second limiting column, and the position of the through hole corresponds to that of the supporting block.
As a further improvement, the clamping mechanism comprises a nut fixed on the side wall of the base, and a clamping bolt is arranged in the nut.
As a further improvement, one end of the top surface of the underframe is provided with a first sliding rail, and the first sliding groove is in sliding fit with the first sliding rail;
the two ends of the first support cross rod and one end of the second support cross rod are respectively provided with a second sliding groove, the inner sides of two side walls of the shell are respectively provided with a second sliding rail, and the second sliding rails are in sliding fit with the second sliding grooves.
As a further improvement, a plurality of limiting holes are formed in the shell on two sides of the first opening.
As a further improvement, a tension display screen is arranged on the shell above the first opening, and the tension display screen is in electric signal connection with the first dynamometer and the second dynamometer. By adopting the technical scheme, the utility model has the beneficial effects that:
according to the device for testing the tension of the reverse bending bow, the tension test of the reverse bending bow can be carried out through the electric push rod, and the tension test of the bow piece can be carried out through the electric push rod, so that the bow piece positioning mechanism is arranged on the underframe in a sliding manner, and the influence of the position of the bow piece positioning mechanism on the tension test of the reverse bending bow is avoided.
When the tension of the contrary bending bow is tested, the bow string is hung on the bow string hook, the bow handle is placed below the first limit column, and the electric push rod is started, so that the operation is convenient.
The second slide rail and the second spout sliding fit for first support horizontal pole and second support horizontal pole only can follow the second slide rail and reciprocate, avoid first support horizontal pole and second to support the horizontal pole and take place to deflect because of the atress is uneven at the in-process of upward movement, improved the stability of pulling force device.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model when measuring bow tension;
FIG. 2 is a schematic view of the structure of the present utility model when measuring the tension of the arch sheet;
FIG. 3 is a front view of the present utility model;
FIG. 4 is an enlarged view at A of FIG. 3;
FIG. 5 is a schematic view of the structure within the housing;
FIG. 6 is an enlarged view at B of FIG. 5;
wherein: 1-a chassis; 11-a first slide rail; 2-a housing; 21-a first opening; 22-a second opening; 23-limiting holes; 24-a first limit column; 25-a second slide rail; 3-an electric push rod; 31-a first connecting rod; 32-a first support rail; 33-a first load cell; 34-bowstring hooks; 4-a second connecting rod; 41-a second support rail; 42-supporting blocks; 43-a second load cell; 5-a base; 51-nut; 52-clamping bolts; 6-a second limit column; 61-through holes; 7-a tension display screen.
Detailed Description
The utility model will be further described with reference to the following detailed description and the accompanying drawings. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
As shown in fig. 1-6, a device for testing the tensile force of a reverse bending bow comprises a chassis 1, wherein a shell 2 is fixedly arranged on one side of the top surface of the chassis 1, a tensile force detection mechanism is fixedly arranged on the inner wall of the bottom of the shell 2, a first opening 21 is formed in the top of one side of the shell 2, a second opening 22 is formed in the bottom of the same side of the shell 2, a first limit column 24 is arranged on the shell 2 between the first opening 21 and the second opening 22, and a bow piece positioning mechanism is slidably arranged on the top surface of one end of the chassis 1.
In this embodiment, the tension detecting mechanism includes an electric putter 3 fixed at the bottom of the housing 2, the position of the electric putter 3 corresponds to the first opening 21, the output end of the electric putter 3 is connected with a first connecting rod 31, one end of the first connecting rod 31 extends to the first opening 21, the top end of the first connecting rod 31 is fixedly connected with a first supporting cross rod 32, a first dynamometer 33 is arranged on the first supporting cross rod 32, a bowstring hook 34 is arranged at the bottom of the first dynamometer 33, the position of the bowstring hook 34 corresponds to the position of the first limiting column 24, when the tension of the bow is tested, the bowstring is hung on the bowstring hook 34, the bow is placed below the first limiting column 24, and the electric putter 3 is started.
Further, the two ends of the first supporting cross rod 32 are respectively provided with a second sliding groove, the inner sides of the two side walls of the shell 2 are respectively provided with a second sliding rail 25, and the second sliding rails 25 are in sliding fit with the second sliding grooves, so that the first supporting cross rod 32 can only move up and down along the second sliding rails 25, deflection of the first supporting cross rod 2 due to uneven stress in the upward movement process is avoided, and the stability of the tension testing device is improved.
The first support horizontal pole 32 is connected with the second connecting rod 4, the middle part of second connecting rod 4 and the middle part fixed connection of head rod 31, the position of second connecting rod 4 is corresponding with second opening 22, the bottom of second connecting rod 4 stretches to second opening 22 department, the bottom of second connecting rod 4 is connected with second support horizontal pole 41, the fixed supporting shoe 42 that is equipped with on the second support horizontal pole 41, the fixed second dynamometer 43 that is equipped with in top of supporting shoe 42, in this embodiment, first dynamometer 33 and second dynamometer 43 are the tension pressure sensor.
In the embodiment, the bow piece positioning mechanism comprises a base 5 arranged on the underframe 1 in a sliding way, a first sliding groove is formed in the bottom surface of the base 5, a first sliding rail 11 is arranged at one end of the top surface of the underframe 1, and the first sliding groove is in sliding fit with the first sliding rail 11; one side of the base 5, which is far away from the shell 2, is provided with a clamping mechanism, the clamping mechanism can enable the base 5 to be fixedly connected with the underframe 1, the middle part of the top surface of the base 5 is provided with a second limiting column 6, the middle part of the side wall of the second limiting column 6 is provided with a through hole 61, and the position of the through hole corresponds to the position of the supporting block 42.
Further, the clamping mechanism comprises a nut 51 fixed on the side wall of the base, a clamping bolt 52 is arranged in the nut 51, when the bottom of the clamping bolt 52 abuts against the chassis 1, the base 5 is fixedly connected with the chassis 1, when the position of the base 5 needs to be adjusted, the clamping bolt 52 is rotated to enable the bottom of the clamping bolt to be separated from the chassis 1, the position of the base 5 is adjusted along the first sliding rail 11, after the clamping bolt moves to a required position, the clamping bolt 52 is rotated to enable the bottom of the clamping bolt to abut against the chassis 1, and the base 5 is fixedly connected with the chassis 1 at the required position.
In this embodiment, the casing 2 on two sides of the first opening 21 is provided with a plurality of limiting holes 23, and the limiting bolts can be inserted into the limiting holes 23 in advance according to the pull distances of the tested bows, so as to ensure that the pull distances of the pulled bows are consistent each time, and improve the accuracy of the pull test device during testing.
In this embodiment, a tension display screen 7 is disposed on the housing 2 above the first opening 21, and the tension display screen 7 is electrically connected to the first load cell 33 and the second load cell 44.
When the device for testing the tensile force of the buckling bow provided by the embodiment is used for testing the tensile force of the buckling bow, the center of the bow string of the bow to be tested is firstly hung on the bow string hook 34, the bow handle is placed below the first limiting column 24, the electric push rod 3 is started, the output end of the electric push rod 3 drives the first connecting rod 31 to move upwards, the first connecting rod 31 drives the first supporting cross rod 32 to move upwards along the second sliding rail 25, the first supporting cross rod 32 drives the first dynamometer 33 to move upwards, the bow string hook of the first dynamometer 33 drives the bow string center to move upwards along with the first dynamometer 33, the bow handle abuts against the first limiting column 24, when the first supporting cross rod 32 abuts against the limiting bolt of the limiting hole 23, the numerical value on the tensile force display screen 7 is recorded, the electric push rod 3 is reset, the electric push rod 3 drives the first connecting rod 31, the first supporting cross rod 32 and the first dynamometer 33 to reset, and the bow is taken down.
When the device for testing the pull force of the bow and the segment is used for testing the pull force of the bow and segment, the clamping bolt 52 is rotated to separate the bottom of the device from the chassis 1, the position of the base 5 is adjusted along the first sliding rail 11, the base 5 is adjusted to a required position, the clamping bolt 52 is rotated to tightly support the bottom of the device and the chassis 1, the base 5 and the chassis 1 are fixed, the connecting end of the bow and segment is inserted into the through hole 61 of the second limiting post 6, the connecting end of the bow and segment is placed on the top surface of the supporting block 42, the electric push rod 3 is started, the output end of the electric push rod 3 drives the first connecting rod 31 to move upwards, the first connecting rod 31 drives the first supporting cross rod 32 to move upwards along the second sliding rail 25, the first supporting cross rod 32 drives the second connecting rod 4 to move upwards, the second supporting cross rod 41 moves upwards along the second sliding rail 25, the second supporting cross rod 41 drives the supporting block 42 to move upwards, the connecting end of the bow and segment moves upwards along with the supporting block 42, the numerical value on the pull force display screen 7 is recorded, and the electric push rod 3 is reset, so that the bow and segment is taken down.
The utility model provides a device for testing the tension of a reverse bending bow, which comprises a chassis 1, a shell 2, a tension detection mechanism, a bow piece positioning mechanism and a tension display screen 7, wherein the tension detection mechanism comprises an electric push rod 3, the tension test of the reverse bending bow can be carried out through the electric push rod 3, the tension test of the bow piece can be carried out through the electric push rod 3, and the bow piece positioning mechanism is arranged on the chassis 1 in a sliding way, so that the position of the bow piece positioning mechanism is prevented from influencing the tension test of the reverse bending bow.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (6)
1. The device is characterized in that a shell is fixedly arranged on one side of the top surface of the bottom frame, a tension detection mechanism is fixedly arranged on the inner wall of the bottom of the shell, a first opening is formed in the top of one side of the shell, a second opening is formed in the bottom of the same side of the shell, a first limit column is arranged on the shell between the first opening and the second opening, and an arch piece positioning mechanism is arranged on the top surface of one end of the bottom frame in a sliding mode;
the tension detection mechanism comprises an electric push rod fixed at the bottom of the shell, the position of the electric push rod corresponds to the first opening, the output end of the electric push rod is connected with a first connecting rod, one end of the first connecting rod extends to the first opening, the top end of the first connecting rod is connected with a first supporting cross rod, a first dynamometer is arranged in the middle of the first supporting cross rod, a bowstring hook is arranged at the bottom of the first dynamometer, and the position of the bowstring hook corresponds to the position of the first limiting column;
the first support horizontal pole is connected with the second connecting rod, the middle part of second connecting rod with the middle part fixed connection of first connecting rod, the position of second connecting rod with the second opening is corresponding, the bottom of second connecting rod stretches to second opening part, the bottom of second connecting rod is connected with the second support horizontal pole, the fixed supporting shoe that is equipped with on the second support horizontal pole, the fixed second dynamometer that is equipped with in top of supporting shoe.
2. The device for testing the tensile force of the reverse bending bow according to claim 1, wherein the bow piece positioning mechanism comprises a base which is arranged on the bottom frame in a sliding manner, a first sliding groove is formed in the bottom surface of the base, a clamping mechanism is arranged on one side, away from the shell, of the base, a second limiting column is arranged in the middle of the top surface of the base, a through hole is formed in the middle of the side wall of the second limiting column, and the position of the through hole corresponds to that of the supporting block.
3. The device for testing the tensile force of the bending back bow according to claim 2, wherein the clamping mechanism comprises a nut fixed on the side wall of the base, and a clamping bolt is arranged in the nut.
4. The device for testing the tensile force of the anti-bending bow according to claim 2, wherein a first sliding rail is arranged at one end of the top surface of the underframe, and the first sliding groove is in sliding fit with the first sliding rail;
the two ends of the first support cross rod and one end of the second support cross rod are respectively provided with a second sliding groove, the inner sides of two side walls of the shell are respectively provided with a second sliding rail, and the second sliding rails are in sliding fit with the second sliding grooves.
5. The device for testing the tensile force of the bending back bow according to claim 1, wherein a plurality of limiting holes are formed in the shell on two sides of the first opening.
6. The device for testing the tensile force of the bending bow according to claim 1, wherein a tensile force display screen is arranged on the shell above the first opening, and the tensile force display screen is electrically connected with the first dynamometer and the second dynamometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484530.9U CN220120553U (en) | 2023-06-12 | 2023-06-12 | Contrary bending bow tensile testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484530.9U CN220120553U (en) | 2023-06-12 | 2023-06-12 | Contrary bending bow tensile testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120553U true CN220120553U (en) | 2023-12-01 |
Family
ID=88916569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321484530.9U Active CN220120553U (en) | 2023-06-12 | 2023-06-12 | Contrary bending bow tensile testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120553U (en) |
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2023
- 2023-06-12 CN CN202321484530.9U patent/CN220120553U/en active Active
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