CN220626041U - Backpack load testing device - Google Patents
Backpack load testing device Download PDFInfo
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- CN220626041U CN220626041U CN202322183297.7U CN202322183297U CN220626041U CN 220626041 U CN220626041 U CN 220626041U CN 202322183297 U CN202322183297 U CN 202322183297U CN 220626041 U CN220626041 U CN 220626041U
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- backpack
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- detection frame
- detection
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a backpack load testing device, belongs to the technical field of backpack detection, and is used for solving the technical problem of low accuracy of an existing backpack load measurement mode. The device comprises a detection frame, wherein a first hydraulic cylinder is connected and arranged at the bottom of the detection frame, a first hydraulic rod is vertically arranged on the upper surface of the first hydraulic cylinder, a support frame is fixed at the upper end of the first hydraulic rod, stop blocks are fixed at the two ends of the support frame, a first pressure detector is arranged on the upper surface of the support frame, a control panel is arranged on the side surface of the detection frame, the first pressure detector is in signal connection with the control panel, a placement frame is fixed on the side surface of the detection frame, a plurality of balancing weights with different weights are placed in the placement frame, and a gravity mechanism is arranged on the upper surface of the detection frame; the backpack load testing device can dynamically detect the backpack, so that the backpack load in the actual use process can be objectively and quantitatively evaluated, and the accuracy of the detecting device is improved.
Description
Technical Field
The utility model belongs to the technical field of backpack detection, and relates to a double-shoulder-pack load testing device.
Background
In real life, many people often need to carry the backpack for traveling, such as school, work, travel, etc., however, carrying the backpack for a long time with excessive weight or maldistribution may cause discomfort and even damage to the shoulders and the back, so it is important to evaluate and test the load bearing capacity and the comfort of the backpack.
At present, most of the load testing methods for the backpack in the market are to carry out static detection on the backpack by placing a counterweight in the backpack, however, the backpack is carried on the body, and in the actual use process, the backpack is affected by factors such as body movement, gravity center transfer, gait change and the like, which cannot be detected in the static detection, so that the detection result is inaccurate.
Based on the above, we design a backpack load test device, which improves the accuracy of the detection result.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a double-shoulder-bag load testing device, which aims to solve the technical problems that: how to design a high-accuracy backpack load test device.
The utility model aims to solve the problems in the prior art and provides a backpack.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a backpack load testing device, includes the detection frame, be equipped with first pneumatic cylinder in the detection frame bottom connection, the vertical first hydraulic stem that is equipped with of upper surface of first pneumatic cylinder, first hydraulic stem upper end is fixed with the support frame, and the support frame both ends all are fixed with the dog, and the last surface mounting of support frame has first pressure detector, and detection frame side-mounting has control panel, and first pressure detector and control panel signal connection, and the side of detection frame is fixed with places the frame, has placed the balancing weight of a plurality of weight variation in size in the frame, and the upper surface of detection frame is equipped with gravity mechanism.
The gravity mechanism comprises a second hydraulic cylinder, a second hydraulic rod and a fixing assembly, wherein the second hydraulic cylinder is arranged on the upper surface of the detection frame, the second hydraulic rod is vertically arranged on the lower surface of the second hydraulic cylinder, a pressing block is fixed at the lower end of the second hydraulic rod, a second pressure detector is arranged on the lower surface of the pressing block, and the second pressure detector is in signal connection with the control panel.
By adopting the structure, when the backpack is used, a detector can start the second hydraulic cylinder after fixing the backpack, control the second hydraulic rod to stretch out and draw back, so that the pressing block is driven into the backpack through the backpack opening part and is pressed downwards, the second pressure detector can detect the pressing force and display the pressing force through the control panel, the maximum load weight of the backpack can be detected, the firmness, the strength and the tensile tearing property of materials used by the backpack are detected, the process quality problem of the backpack is solved, the quality and the durability of the backpack materials are ensured, and the comprehensiveness of detection is improved.
The fixed subassembly includes bottom plate, mounting panel, threaded rod, splint and rubber pad, and the bottom plate is fixed on detecting the frame inner wall, and the mounting panel is fixed on detecting the frame inner wall, has offered the screw hole on the mounting panel, and threaded rod threaded connection is at threaded hole, and the tip rotation of threaded rod is connected at the upper surface of bottom plate, splint threaded connection on the threaded rod.
By adopting the structure, when the backpack is used, a detector can open the backpack and place one side of the opening of the backpack under the bottom plate upper clamping plate, and the clamping plate is driven by the rotary threaded rod to be propped against one side end of the backpack opening, so that the press fixing is realized, the second hydraulic rod is convenient to detect the pressure applied to the backpack, the backpack is ensured to be stable in the testing process, and the accuracy and the stability of the detection device are improved.
Rubber pads are fixed on the upper surface of the bottom plate and the lower surface of the clamping plate.
By adopting the structure, when the backpack is used, the friction force between the contact surfaces of the base plate and the clamping plate and the backpack can be improved, the backpack is prevented from falling off from the base plate and the clamping plate, and the stability of the device is further improved.
The side of the support frame is fixed with a plurality of connecting blocks, and the side of the connecting blocks is fixed with a backboard.
By adopting the structure, when the backpack is used, the backpack is hung on the supporting frame, and the back position of the backpack can be separated through the back plate, so that the backpack can not be in direct contact with the first hydraulic rod, the stability and the vertical suspension of the backpack are maintained, the detection effect of the device is avoided, and the load bearing capacity and the performance of the backpack can be accurately detected.
Compared with the prior art, the backpack load testing device has the following advantages:
1. through the cooperation of first pneumatic cylinder, first hydraulic stem and control panel, can carry out dynamic detection to the backpack to can objectively carry out a quantitative aassessment to the backpack load weight in the in-service use, improve detection device's accuracy.
2. The maximum load of the backpack can be detected through the gravity mechanism, so that the firmness, strength and tear resistance of materials used by the backpack and the process quality problem of the backpack are effectively detected, the quality and durability of the backpack materials are ensured, and the comprehensiveness of detection is improved.
3. Through fixed subassembly, can realize pressing down the fixed to the backpack, make things convenient for the second hydraulic stem to exert pressure to the backpack and detect, ensure that the backpack remains stable at the testing process, improve detection device's accuracy and steadiness.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a part of the gravity mechanism of the present utility model;
fig. 4 is a schematic structural view of the fixing assembly in the present utility model.
In the figure: 1. a detection frame; 2. a first hydraulic cylinder; 3. a first hydraulic lever; 4. a support frame; 5. a stop block; 6. a control panel; 7. placing a frame; 8. balancing weight; 9. a gravity mechanism; 901. a second hydraulic cylinder; 902. a second hydraulic lever; 903. pressing the blocks; 904. a fixing assembly; 9041. a bottom plate; 9042. a mounting plate; 9043. a threaded rod; 9044. a clamping plate; 9045. a rubber pad; 905. a second pressure detector; 10. a connecting block; 11. a back plate; 12. a first pressure detector.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-4, the present embodiment provides a backpack load testing device, including a detection frame 1, a first hydraulic cylinder 2 is connected and arranged at the bottom in the detection frame 1, a first hydraulic rod 3 is vertically arranged on the upper surface of the first hydraulic cylinder 2, a support frame 4 is fixed at the upper end of the first hydraulic rod 3, stop blocks 5 are fixed at both ends of the support frame 4, a first pressure detector 12 is mounted on the upper surface of the support frame 4, a control panel 6 is mounted at the side of the detection frame 1, the first pressure detector 12 is in signal connection with the control panel 6, a placement frame 7 is fixed at the side of the detection frame 1, a plurality of balancing weights 8 with different weights are placed in the placement frame 7, and a gravity mechanism 9 is arranged on the upper surface of the detection frame 1.
The gravity mechanism 9 comprises a second hydraulic cylinder 901, a second hydraulic rod 902 and a fixing component 904, wherein the second hydraulic cylinder 901 is arranged on the upper surface of the detection frame 1, the second hydraulic rod 902 is vertically arranged on the lower surface of the second hydraulic cylinder 901, a pressing block 903 is fixed at the lower end of the second hydraulic rod 902, a second pressure detector 905 is arranged on the lower surface of the pressing block 903, and the second pressure detector 905 is in signal connection with the control panel 6; when the backpack is used, after a detection person fixes the backpack, the second hydraulic cylinder 901 can be started to control the second hydraulic rod 902 to stretch and contract, so that the pressing block 903 is driven into the backpack through the backpack opening part and is pressed downwards, the second pressure detector 905 can detect the pressing force and display the pressing force through the control panel 6, and the maximum load weight of the backpack can be detected, so that the firmness, the strength and the tensile tearing property of materials used by the backpack and the process quality problem of the backpack are detected, the quality and the durability of the backpack materials are ensured, and the detection comprehensiveness is improved.
The fixing assembly 904 comprises a bottom plate 9041, a mounting plate 9042, a threaded rod 9043, a clamping plate 9044 and a rubber pad 9045, wherein the bottom plate 9041 is fixed on the inner wall of the detection frame 1, the mounting plate 9042 is fixed on the inner wall of the detection frame 1, a threaded hole is formed in the mounting plate 9042, the threaded rod 9043 is in threaded connection with the threaded hole, the end part of the threaded rod 9043 is rotationally connected to the upper surface of the bottom plate 9041, and the clamping plate 9044 is in threaded connection with the threaded rod 9043; when the backpack is used, a detector can open the backpack and place one side of the opening of the backpack under the upper clamping plate 9044 of the bottom plate 9041, and the clamping plate 9044 is driven by the rotary threaded rod 9043 to be propped against one side end of the opening of the backpack, so that the press fixing is realized, the second hydraulic rod 902 can conveniently detect the pressure applied to the backpack, the backpack is ensured to be stable in the testing process, and the accuracy and the stability of the detection device are improved.
Rubber pads 9045 are fixed on the upper surface of the bottom plate 9041 and the lower surface of the clamping plate 9044; when the backpack is used, the friction force between the contact surfaces of the bottom plate 9041 and the clamping plates 9044 and the backpack can be improved, the backpack is prevented from falling off from the bottom plate 9041 and the clamping plates 9044, and the stability of the device is further improved.
A plurality of connecting blocks 10 are fixed on the side surface of the support frame 4, and a backboard 11 is fixed on the side surface of the connecting blocks 10; when the backpack is used, the backpack is hung on the supporting frame 4, and the back position of the backpack can be partitioned through the back plate 11, so that the backpack can not be in direct contact with the first hydraulic rod 3, the stability and vertical hanging of the backpack are maintained, the detection effect of the device is prevented from being influenced, and the load bearing capacity and performance of the backpack can be detected more accurately.
In this embodiment, the fixing manner is the fixing manner most commonly used in the art, such as welding, bolting, etc.
The working principle of the utility model is as follows: when the backpack is used, a detector can hang the backpack on the support frame 4, the backpack is opened to take out the balancing weight 8 from the placement frame 7, the balancing weight 8 is placed in the backpack, the first hydraulic cylinder 2 is started, the first hydraulic rod 3 is controlled to stretch up and down at different speeds, so that different use states of the user are simulated, the first pressure detector 12 can detect the pressing force born by the support frame 4, the detection data are transmitted to the control panel 6 in real time to be displayed, the detector can record the detection data conveniently, the balancing weight 8 with different weights is replaced to repeat the steps, and the dynamic detection can be effectively carried out on the loading force of the backpack. In addition, the inspector can open the backpack and place one side of the opening of the backpack under the clamping plate 9044 on the bottom plate 9041, the clamping plate 9044 is driven through the rotary threaded rod 9043, the backpack is propped against one side end of the opening of the backpack, so that pressing fixation is realized, the second hydraulic cylinder 901 is started, the second hydraulic rod 902 is controlled to stretch and retract, the pressing block 903 is driven into the backpack through the backpack opening, the pressing force can be detected by the second pressure detector 905, the backpack is hung on the supporting frame 4, the back position of the backpack can be separated through the back plate 11, the backpack can not be in direct contact with the first hydraulic rod 3, the stability and vertical suspension of the backpack are maintained, the detection effect of the device is avoided, and the load bearing capacity and performance of the backpack can be accurately detected.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a backpack load testing device, includes detection frame (1), its characterized in that, connect in detection frame (1) and be equipped with first pneumatic cylinder (2), the vertical first hydraulic stem (3) that is equipped with of upper surface of first pneumatic cylinder (2), first hydraulic stem (3) upper end is fixed with support frame (4), support frame (4) both ends all are fixed with dog (5), the last surface mounting of support frame (4) has first pressure detector (12), detection frame (1) side-mounting has control panel (6), and first pressure detector (12) and control panel (6) signal connection, the side of detection frame (1) is fixed with places frame (7), place balancing weight (8) that a plurality of weight sizes are different in frame (7), the upper surface of detection frame (1) is equipped with gravity mechanism (9).
2. The backpack weight test device according to claim 1, wherein the gravity mechanism (9) comprises a second hydraulic cylinder (901), a second hydraulic rod (902) and a fixing assembly (904), the second hydraulic cylinder (901) is installed on the upper surface of the detection frame (1), the second hydraulic rod (902) is vertically installed on the lower surface of the second hydraulic cylinder (901), a pressing block (903) is fixed at the lower end of the second hydraulic rod (902), a second pressure detector (905) is installed on the lower surface of the pressing block (903), and the second pressure detector (905) is in signal connection with the control panel (6).
3. The backpack load testing device according to claim 2, wherein the fixing component (904) comprises a base plate (9041), a mounting plate (9042), a threaded rod (9043), a clamping plate (9044) and a rubber pad (9045), the base plate (9041) is fixed on the inner wall of the detection frame (1), the mounting plate (9042) is fixed on the inner wall of the detection frame (1), a threaded hole is formed in the mounting plate (9042), the threaded rod (9043) is in threaded connection with the threaded hole, the end portion of the threaded rod (9043) is rotatably connected to the upper surface of the base plate (9041), and the clamping plate (9044) is in threaded connection with the threaded rod (9043).
4. A backpack load testing apparatus according to claim 3, wherein rubber pads (9045) are fixed to both the upper surface of the bottom plate (9041) and the lower surface of the clamping plate (9044).
5. The backpack load testing device according to claim 1 or 2, wherein a plurality of connecting blocks (10) are fixed on the side surface of the supporting frame (4), and a backboard (11) is fixed on the side surface of the connecting blocks (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183297.7U CN220626041U (en) | 2023-08-15 | 2023-08-15 | Backpack load testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183297.7U CN220626041U (en) | 2023-08-15 | 2023-08-15 | Backpack load testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220626041U true CN220626041U (en) | 2024-03-19 |
Family
ID=90219543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322183297.7U Active CN220626041U (en) | 2023-08-15 | 2023-08-15 | Backpack load testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220626041U (en) |
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2023
- 2023-08-15 CN CN202322183297.7U patent/CN220626041U/en active Active
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