CN220153857U - Compression test device suitable for latch hook structure - Google Patents
Compression test device suitable for latch hook structure Download PDFInfo
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- CN220153857U CN220153857U CN202321390416.XU CN202321390416U CN220153857U CN 220153857 U CN220153857 U CN 220153857U CN 202321390416 U CN202321390416 U CN 202321390416U CN 220153857 U CN220153857 U CN 220153857U
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- hook structure
- clamping shaft
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- 238000012669 compression test Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of structural test mechanics, in particular to a compression test device suitable for a lock hook structure, which comprises an upper end clamping shaft and a lower end clamping shaft, wherein the upper end clamping shaft is connected with a supporting seat through a locking part, the supporting seat is arranged on a supporting table through a limit bolt, the lower end of the supporting table is connected with the lower end clamping shaft, and after load is applied to the upper end clamping shaft, the load is transmitted to the lower end clamping shaft through the locking part, the supporting seat and the supporting table in sequence. Compared with the traditional method, the technical scheme creatively designs the special supporting clamp for the locking hook compression test piece, so that tests on the bearing frame and the ground rail are required to be carried out on a standard specification testing machine, and the bearing capacity test can be carried out on a plurality of test pieces in the load transmission process, so that the test efficiency is improved, the installation accuracy and the installation efficiency of the test pieces are improved, and the locking hook compression loading experiment is realized simply and efficiently.
Description
Technical Field
The utility model relates to the technical field of structural test mechanics, in particular to a compression test device suitable for a lock hook structure.
Background
In freight aircrafts and passenger-to-freight aircrafts, the latch hook structure is an important part of the locking of the main cabin door, the load bearing capacity test is carried out on the latch hook structure through a compression test, the analysis of the limit load and the damage mode of the latch hook structure under the compression load is an important research subject in structural design, the actual latch hook structure has larger limit load tonnage, the applicable load space is smaller relative to the size of the loading actuator cylinder, and the application of a specific angle and a specific position of the latch hook structure is required to be realized in a laboratory to check the mechanical strength of materials, so that scientific basis is provided for structural design.
For a long time, for nonstandard tests, it is very difficult to realize low cost and high precision, for the compression test of a lock hook structure, a nonstandard ground rail-bearing frame is generally adopted at present, a test piece and a test piece installation angle are fixed through the ground rail, a hydraulic actuator cylinder is arranged on the bearing frame, and the actuator cylinder applies a loading load through a clamp, but because the test piece is smaller in size, the application load space is narrow, the actuator cylinder is larger than the test piece, interference easily occurs between the actuator cylinder and the ground rail, the bearing frame is huge, the requirement on the strength and rigidity of the frame is higher, the cost is greatly improved, the installation and loading precision is lower, and meanwhile, safety accidents easily occur due to the fact that the experiment mode is used for arranging more parts.
Disclosure of Invention
In order to overcome the technical problems, the utility model aims to provide a compression test device suitable for a lock hook structure, which solves the problems that the prior compression test for the lock hook structure has no special test device, the traditional mode has low efficiency and low precision, and safety accidents are easy to occur.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a be applicable to latch hook structure compression test device, includes upper end clamping axle and lower extreme clamping axle, the upper end clamping axle passes through locking portion and is connected with the supporting seat, the supporting seat passes through stop bolt and installs on the brace table, the brace table lower extreme is connected the lower extreme clamping axle, right after the load is applyed to the upper end clamping axle, the load loops through locking portion the supporting seat with the brace table transmits to the lower extreme clamping axle to the bearing capacity of spare part in the test load transfer route.
The lower end of the supporting table is provided with a chassis, and the lower end clamping shaft penetrates through the chassis and is in threaded connection with the supporting table.
The support table is of a trapezoid structure with a narrow upper part and a wide lower part, mounting grooves I are formed in mirror images of two opposite end faces of the support table, one mounting groove I is internally provided with the support seat, the other mounting groove I is divided into a plurality of mounting grooves II which are not communicated with each other through reinforcing ribs which are arranged in a crossed mode, and after the limit bolts penetrate through the upper end of the support table and the support seat, two ends of the limit bolts are respectively located in the mounting groove I and the mounting groove II and are respectively locked through locking nuts I and locking nuts II.
The support seat is further provided with a clamping plate between the support seat and the abutting surface of the first mounting groove, a through hole is formed in the position, corresponding to the limit bolt, of the clamping plate, and the first locking nut is screwed down to enable the support seat to be tightly attached to the clamping plate.
Further, the joint surfaces of the supporting seat and the clamping plate are all provided with anti-skid patterns.
Further, the outer walls of the first locking nut and the second locking nut are respectively provided with an anti-slip strip.
The upper end of the locking part is fixedly connected with the upper end clamping shaft through at least two mutually perpendicular locking bolts.
The utility model has the beneficial effects that:
compared with the traditional method, the technical scheme creatively designs the special supporting clamp for the locking hook compression test piece, so that tests on the bearing frame and the ground rail are required to be carried out on a standard specification testing machine, and the bearing capacity test can be carried out on a plurality of test pieces in the load transmission process, so that the test efficiency is improved, the installation accuracy and the installation efficiency of the test pieces are improved, and the locking hook compression loading experiment is realized simply and efficiently.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model
FIG. 3 is a perspective view of the support table, upper clamping shaft and locking portion of the present utility model;
FIG. 4 is a cross-sectional view of a support table of the present utility model;
FIG. 5 is an exploded view of the support table and latch of the present utility model;
fig. 6 is a second exploded view of the support table and the locking portion of the present utility model.
In the figure: 1. the upper end clamps the shaft; 2. the lower end clamps the shaft; 3. a chassis; 4. a support table; 41. a first mounting groove; 42. reinforcing ribs; 43. a second mounting groove; 5. a locking part; 51. a locking bolt; 52. a locking groove; 6. a support base; 61. a latch; 62. a clamping plate; 621. anti-skid lines; 63. a limit bolt; 64. a first locking nut; 65. a second locking nut; 66. a clamping groove I; 67. a clamping groove II; 68. a boss; 69. carrying the bolts.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a compression test device suitable for a latch hook structure comprises an upper end clamping shaft 1 and a lower end clamping shaft 2, which are sequentially connected together through a locking part 5, a supporting seat 6, a supporting table 4 and a chassis 3 from top to bottom, wherein during testing, the upper end clamping shaft 1 and the lower end clamping shaft 2 are respectively connected and locked with an upper clamp head and a lower clamp head of a testing machine, the testing machine applies load to the upper end clamping shaft 1 to realize load top-down transmission, and the testing of load bearing capacity and compression bearing capacity of a test piece is performed in the load transmission process.
As shown in fig. 1, 2, 5 and 6, the upper end of the locking portion 5 is provided with a through groove, the lower end of the upper end clamping shaft 1 is inserted into the through groove, the connection position of the upper end clamping shaft 1 and the lower end is fixedly connected through two mutually perpendicular locking bolts 51, the locking bolts 51 penetrate through the upper end clamping shaft 1 and the locking portion 5, nuts are connected to two ends of the locking bolts 51 in a threaded manner, and the upper end clamping shaft 1 and the locking portion 5 are locked together by tightening the nuts.
The horizontal plane of the supporting seat 6 is provided with a vertical upwards-facing latch 61, the latch 61 and the supporting seat 6 are fixedly connected in an inserting way, the latch 61 is cylindrical in shape in the embodiment, a lock groove 52 is formed at the lower end of the locking part 5 corresponding to the latch 61, the lock groove 52 is a C-shaped groove, the inner diameter of the lock groove 52 is larger than the diameter of the latch 61, the latch 61 can move in the lock groove 52 in a small range, the diameter of the latch 61 is larger than the side opening of the lock groove 52, and the latch 61 can only be directly inserted into the lock groove 52 up and down and cannot be separated from the side opening of the lock groove 52;
according to the technical scheme, after the load is applied to the upper clamping shaft 1, the load is transmitted to the lock bolt 61 and the lock groove 52 through the upper clamping shaft 1, the upper end of the lock bolt 61 is fixedly inserted into the lock groove 52, the lower end of the lock bolt 61 is fixedly inserted into the supporting seat 6, and along with the application of the load, the compression bearing capacity data between the two test pieces of the lock bolt 61 and the lock groove 52 can be obtained.
As shown in fig. 1, 2, 3, 4, 5 and 6, the support table 4 and the support seat 6 are fixedly connected together;
the supporting table 4 is of a ladder-shaped structure with a narrow upper part and a wide lower part, the two opposite end faces of the supporting table are mirror images provided with inwards concave first mounting grooves 41, the two first mounting grooves 41 are separated by a partition plate, wherein a supporting seat 6 is arranged in one first mounting groove 41, the other first mounting groove 41 is separated into four second mounting grooves 43 which are not communicated with each other through reinforcing ribs 42 which are arranged in a crossed mode, the reinforcing ribs 42 reinforce the structural strength of the supporting table 4, the rigidity of the supporting table 4 is enhanced, and the out-of-plane displacement of a test piece is reduced;
the side wall of the supporting table 4 is tightly attached to the first mounting groove 41, limit bolts 63 are arranged at four end angle positions of the side wall of the supporting table 4, after the limit bolts 63 penetrate through the partition boards at the upper ends of the supporting table 4 and the supporting seat 6, two ends of the limit bolts 63 are respectively positioned in the first mounting groove 41 and the second mounting groove 43, two ends of the limit bolts 63 are respectively connected with a first locking nut 64 and a second locking nut 65 in a threaded manner, anti-slip strips are arranged on the outer walls of the first locking nut 64 and the second locking nut 65, and the supporting table 4 and the supporting seat 6 are tightly connected together by screwing the first locking nut 64 and the second locking nut 65;
according to the above technical solution, after the load is applied to the upper clamping shaft 1, the load is sequentially transferred to the support table 4 and the support seat 6 through the upper clamping shaft 1 and the locking portion 5, and the load bearing capacity data of the plurality of limit bolts 63 can be obtained along with the application of the load.
As shown in fig. 1 and 2, the lower end of the supporting table 4 is provided with a chassis 3, the top surface of the chassis 3 and the bottom surface of the supporting table 4 are both plane, the upper end of the lower end clamping shaft 2 penetrates through the chassis 3, the lower end clamping shaft 2 is sequentially connected with the chassis 3 and the supporting table 4 in a threaded manner, the chassis 3 ensures that the supporting table 4, the supporting seat 6 and the locking part 5 are kept horizontal, so that the load is not dispersed in other directions when being transmitted from top to bottom, and the experimental quality is ensured;
the lower end clamping shaft 2 is connected with the chassis 3 and the supporting table 4 in sequence through threads, so that a gap between the chassis 3 and the supporting table 4 is small, normal running of experiments cannot be influenced, and meanwhile, the area of the chassis 3 is larger than that of the bottom surface of the supporting table 4, so that the load bearing capacity of the lower end clamping shaft 2 is reduced, and the deformation probability of the lower end clamping shaft is reduced.
After the test is completed, the hydraulic pressure and the power supply are turned off, the test device is disassembled, and the test device is cleaned in a sanitary mode.
The special supporting clamp is designed according to the technical scheme, so that tests on the bearing frame and the ground rail can be carried out on a testing machine with standard specifications, and the bearing capacity of a plurality of test pieces can be tested in the load transmission process, the testing efficiency is improved, the mounting precision and the mounting efficiency of the test pieces are improved, and the compression loading experiment of the lock hook is realized simply and efficiently.
Embodiment two:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a compression test device suitable for a latch hook structure comprises an upper end clamping shaft 1 and a lower end clamping shaft 2, which are sequentially connected together through a locking part 5, a supporting seat 6, a supporting table 4 and a chassis 3 from top to bottom, wherein during testing, the upper end clamping shaft 1 and the lower end clamping shaft 2 are respectively connected and locked with an upper clamp head and a lower clamp head of a testing machine, the testing machine realizes load top-down transmission by applying load to the upper end clamping shaft 1, and the test piece is tested for load bearing capacity and compression bearing capacity in the load transmission process, compared with the first embodiment:
as shown in fig. 5 and 6, a clamping plate 62 is further disposed between the side wall of the supporting seat 6 and the partition plate inside the first mounting groove 41, a through hole is formed in the clamping plate 62 corresponding to the position of the limit bolt 63, and the clamping plate 62 is firmly limited and fixed between the supporting seat 6 and the partition plate by tightening the first locking nut 64.
The contact surfaces of the support seat 6 and the clamping plate 62 are respectively provided with anti-slip patterns 621, and when a load is applied from top to bottom after the support seat 6 is contacted with the clamping plate 62, the relative displacement of the support seat 6 compared with the support table 4 is reduced.
Embodiment III:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a compression test device suitable for a latch hook structure comprises an upper end clamping shaft 1 and a lower end clamping shaft 2, which are sequentially connected together through a locking part 5, a supporting seat 6, a supporting table 4 and a chassis 3 from top to bottom, wherein during testing, the upper end clamping shaft 1 and the lower end clamping shaft 2 are respectively connected and locked with an upper clamp head and a lower clamp head of a testing machine, the testing machine realizes load top-down transmission by applying load to the upper end clamping shaft 1, and the test piece is tested for load bearing capacity and compression bearing capacity in the load transmission process, compared with the embodiment:
as shown in fig. 5 and 6, a first clamping groove 66 is formed on the joint surface of the supporting seat 6 and the clamping plate 62, a second clamping groove 67 is formed in the supporting seat 6 corresponding to the first clamping groove 66 in a penetrating manner, the first clamping groove 66 and the second clamping groove 67 are mutually perpendicular in a crossing manner, a boss 68 is arranged in the clamping plate 62 corresponding to the first clamping groove 66, the boss 68 is fixedly inserted into the first clamping groove 66, bearing bolts 69 are respectively inserted into the clamping seat from the upper end and the lower end of the second clamping groove 67, and the bearing bolts 69 are rotated to enable the end portions of the bearing bolts 69 to be in threaded connection with the outer wall of the boss 68.
According to the above technical solution, after the load is applied to the upper clamping shaft 1, the load is sequentially transferred to the support table 4 and the support seat 6 through the upper clamping shaft 1 and the locking portion 5, and the load bearing capacity data between the boss 68 and the bearing bolt 69 can be obtained as the load is applied.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.
Claims (7)
1. The utility model provides a be applicable to latch hook structure compression test device, includes upper end clamping axle (1) and lower extreme clamping axle (2), its characterized in that, upper end clamping axle (1) are connected with supporting seat (6) through locking portion (5), supporting seat (6) are installed on supporting bench (4) through spacing bolt (63), supporting bench (4) lower extreme is connected lower extreme clamping axle (2), to upper end clamping axle (1) is applyed after the load, and the load loops through locking portion (5) supporting seat (6) with supporting bench (4) are transmitted to lower extreme clamping axle (2) to the bearing capacity of spare part in the test load transfer route.
2. The compression test device for the lock hook structure according to claim 1, wherein a chassis (3) is carried at the lower end of the supporting table (4), and the lower end clamping shaft (2) penetrates through the chassis (3) and is in threaded connection with the supporting table (4).
3. The compression test device for the lock hook structure according to claim 2, wherein the supporting table (4) is of a ladder-shaped structure with a narrow upper part and a wide lower part, and two opposite end surfaces of the supporting table are provided with a first installation groove (41) in a mirror image mode, wherein the supporting seat (6) is installed in the first installation groove (41), the other installation groove (41) is divided into a plurality of second installation grooves (43) which are not communicated with each other through reinforcing ribs (42) which are arranged in a crossed mode, and two ends of the limiting bolt (63) are respectively located in the first installation groove (41) and the second installation groove (43) after penetrating through the upper end of the supporting table (4) and the supporting seat (6) and are respectively locked through threads of a locking nut (64) and a locking nut (65).
4. The compression test device for the lock hook structure according to claim 3, wherein a clamping plate (62) is further disposed between the supporting seat (6) and the abutting surface of the first mounting groove (41), a through hole is formed in the clamping plate (62) corresponding to the position of the limit bolt (63), and the supporting seat (6) is tightly attached to the clamping plate (62) by tightening the first locking nut (64).
5. The compression test device for the lock hook structure according to claim 4, wherein the joint surfaces of the supporting seat (6) and the clamping plate (62) are all formed with anti-skid patterns (621).
6. The compression test device for the lock hook structure according to claim 4, wherein the outer walls of the first lock nut (64) and the second lock nut (65) are provided with anti-slip strips.
7. The compression test device for the lock hook structure according to claim 1, wherein a latch (61) vertically upwards is arranged on a horizontal plane of the supporting seat (6), the lower end of the locking part (5) is fixedly inserted into the latch (61), and the upper end of the locking part (5) is connected and locked with the upper end clamping shaft (1) through at least two mutually perpendicular locking bolts (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390416.XU CN220153857U (en) | 2023-06-02 | 2023-06-02 | Compression test device suitable for latch hook structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390416.XU CN220153857U (en) | 2023-06-02 | 2023-06-02 | Compression test device suitable for latch hook structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220153857U true CN220153857U (en) | 2023-12-08 |
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ID=89017414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321390416.XU Active CN220153857U (en) | 2023-06-02 | 2023-06-02 | Compression test device suitable for latch hook structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220153857U (en) |
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2023
- 2023-06-02 CN CN202321390416.XU patent/CN220153857U/en active Active
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