Large-load steel cable sample static test loading device

Abstract

The utility model discloses a large-load steel cable sample static test loading device which comprises a mounting rail, a bearing wall and a static test device, and the mounting rail is used for being mounted on the ground; the bearing wall is arranged on the mounting rail and is perpendicular to the mounting rail, and a receding groove is formed in the bearing wall; the static test device is used for being mounted on the bearing wall and the mounting rail, and the static test device is used for performing a static test on the steel cable body after penetrating through the abdicating groove; the static test device comprises a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are installed on the two sides of a bearing wall respectively, a fork lug is installed on the first fixing frame, a telescopic device is installed on the second fixing frame, and a steel cable body to be tested is installed on the telescopic device. One end of the steel cable body is mounted at the movable end of the telescopic device; the utility model aims to solve the problems that a steel cable static test device in the prior art is difficult to build and low in safety guarantee rate.

Description

Technical Field

[0001] The utility model relates to the technical field of static testing, in particular to a static testing loading device for a heavy-load steel cable sample. Background Art

[0002] Static test is a type of structural test. Its main purpose is to observe and study the strength, stiffness, relaxation and deformation distribution of the structure under static action. It is an important means to verify the structural strength and the correctness of static analysis.

[0003] Among them, the purpose of static testing on steel cables is to verify the strength and stiffness performance of the steel cables, to ensure that they can withstand the expected static coils during use and meet the design standard requirements; and through static testing, the slow distribution and deformation of the steel cables during the force process can be understood, providing a basis for structural design; the bearing capacity of the steel cables can also be tested. For special-purpose steel cables, such as anti-impact energy-absorbing cables, static tests can evaluate their energy absorption performance and provide a reference for optimized design.

[0004] When conducting static tests on steel cables, the load test objects of such devices are generally hoisting auxiliary equipment (steel cables) used in military aircraft such as fighter jets. Due to load requirements, some of them need to be tested with loads of more than 20 tons or even greater. However, the loading test devices in the prior art are mostly suspended, which are difficult to build and have a low safety guarantee rate. Summary of the invention

[0005] The utility model provides a static test loading device for a large-load steel cable sample, aiming to solve the problems of difficulty in building a steel cable static test device and low safety guarantee rate in the prior art.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A static test loading device for a large-load steel cable sample comprises a mounting rail, a load-bearing wall and a static test device, wherein the mounting rail is used to be installed on the ground; the load-bearing wall is arranged on the mounting rail and is perpendicular to the mounting rail, and a clearance groove is arranged on the load-bearing wall; the static test device is used to be installed on the load-bearing wall and the mounting rail, and the static test device is used to perform a static test on the steel cable body after passing through the clearance groove;

[0008] Among them, the static test device includes a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are respectively installed on both sides of the load-bearing wall, the first fixing frame is installed with a fork ear, and the second fixing frame is installed with a telescopic device, the telescopic device is used to install the steel cable body to be tested, one end of the steel cable body is used to be installed at the movable end of the telescopic device, and the other end is used to be installed on the fork ear.

[0009] Furthermore, the load-bearing wall is provided with a plurality of the said concession grooves, and a plurality of static test devices are also provided, and the plurality of static test devices are all installed on the load-bearing wall.

[0010] Furthermore, the first fixing frame includes a column and a mounting plate. There are two columns, which are respectively arranged on both sides of the give way groove and are detachably connected to the load-bearing wall. The mounting plate is connected to the two columns, and the fork ears are used to be installed on the mounting plate; the second fixing frame has the same structure as the first fixing frame, and the telescopic device is used to be installed on the mounting plate on the second fixing frame.

[0011] Furthermore, a plurality of through slots are provided on the mounting rail, a plurality of anchor nuts are fixedly arranged in the through slots, and the first fixing frame and the second fixing frame are fixed on the mounting rail by a plurality of anchor bolts and anchor nuts.

[0012] Furthermore, a stopper is provided on the column, and a plurality of columns are detachably connected to the load-bearing wall through the stopper.

[0013] Furthermore, a plurality of threaded holes are provided on the load-bearing wall, and the blocking member is fixedly mounted on the load-bearing wall after being matched with the threaded holes by bolts.

[0014] Furthermore, a mounting portion is provided on the mounting plate on the second fixing frame, and the telescopic device is mounted on the mounting plate through the mounting portion.

[0015] Furthermore, a plurality of installation slots are provided on the column, and the anchor bolts are matched with the anchor nuts after passing through the installation slots.

[0016] Furthermore, the telescopic device is a pneumatic telescopic device, a hydraulic telescopic device or an electric telescopic device.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model mainly comprises a mounting rail, a load-bearing wall and a static test device, wherein the mounting rail is used for being installed on the ground; in actual use, the staff installs the first fixing frame and the second fixing frame on both sides of the load-bearing wall respectively, and fixes and connects them with the mounting rail, and then installs the steel cable body to be tested on the fork ear, and after the installation is completed, the telescopic device is controlled to be extended, and after the telescopic device is extended, the other end of the steel cable body is installed on the telescopic device, and then the telescopic device is driven to slowly retract, and in the process of retracting the driving device, the steel cable body is slowly straightened, and along with the retraction of the telescopic device, the steel cable body is subjected to the tension of the telescopic device, until the telescopic assembly is pulled to the standard value that the steel cable body can bear, and then the retraction of the telescopic device is stopped, and if the steel cable body is broken, it is proved that the tensile strength of the steel cable body does not meet the standard; the advantage of such a setting is that the first fixing frame and the second fixing frame are attached to the mounting rail to support the first fixing frame and the second fixing frame through the load-bearing wall, and compared with the hanging type in the prior art, it is not necessary to climb high for installation, and it is easier to build, and the static test structure formed by the horizontal first fixing frame, the second fixing frame and the load-bearing wall has a higher safety factor than the hanging type. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 For this utility model Figure 1 A partial enlarged view of point A in the middle.

[0022] In the figure, 101-mounting rail, 102-load-bearing wall, 103-yield groove, 104-first fixing frame, 105-second fixing frame, 106-fork ear, 107-telescopic device, 108-column, 109-mounting plate, 110-through groove, 111-stopper, 112-threaded hole, 113-mounting part, 114-mounting groove. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the embodiments, which are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in the field without creative work are all within the protection scope of the present invention.

[0024] See also Figure 1 as well as Figure 2 As shown, this embodiment discloses a static test loading device for a large-load steel cable specimen, comprising a mounting rail 101, a load-bearing wall 102, and a static test device, wherein the mounting rail 101 is used to be installed on the ground; the load-bearing wall 102 is arranged on the mounting rail 101 and is mutually perpendicularly arranged on the mounting rail 101, and a clearance groove 103 is provided on the load-bearing wall 102; the static test device is used to be installed on the load-bearing wall 102 and the mounting rail 101, and the static test device is used to perform a static test on the steel cable body after passing through the clearance groove 103;

[0025] The static test device includes a first fixing frame 104 and a second fixing frame 105. The first fixing frame 104 and the second fixing frame 105 are respectively installed on both sides of the load-bearing wall 102. The first fixing frame 104 is installed with a fork ear 106. The second fixing frame 105 is installed with a telescopic device 107. The telescopic device 107 is used to install the steel cable body to be tested. One end of the steel cable body is used to be installed at the movable end of the telescopic device 107, and the other end is used to be installed on the fork ear 106.

[0026] The utility model mainly comprises a mounting rail 101, a load-bearing wall 102 and a static test device, wherein the mounting rail 101 is used to be installed on the ground; in actual use, the staff installs the first fixing frame 104 and the second fixing frame 105 on both sides of the load-bearing wall 102 respectively, and fixes them to the mounting rail 101, and then installs the steel cable body to be tested on the fork ear 106. After the installation is completed, the telescopic device 107 is controlled to extend. After the telescopic device 107 is extended, the other end of the steel cable body is installed on the telescopic device 107, and then the telescopic device 107 is driven to slowly retract. During the process of retracting the driving device, the steel cable body is slowly straightened, and the telescopic device 107 is accompanied by the extension of the telescopic device 107. 7 contracts, the steel cable body is subjected to the pulling force of the telescopic device 107, until the telescopic assembly is pulled to the standard value that the steel cable body can withstand, and then the telescopic device 107 is stopped to contract. If the steel cable body is broken, it proves that the tensile strength of the steel cable body does not meet the standard. The advantage of such a setting is that the first fixing frame 104 and the second fixing frame 105 are attached to the mounting rail 101 and supported by the load-bearing wall 102. Compared with the hanging type in the prior art, it does not require climbing for installation, and is easier to build. In addition, the static test structure formed by the horizontal first fixing frame 104, the second fixing frame 105 and the load-bearing wall 102 has a higher safety factor than the hanging type.

[0027] In some embodiments, the load-bearing wall 102 is provided with a plurality of the above-mentioned clearance grooves 103 , and a plurality of static test devices are also provided, and the plurality of static test devices are all installed on the load-bearing wall 102 ;

[0028] In actual use, the purpose of setting up several give-way grooves 103 is to match several static test devices. Each static test device is matched with a give-way groove 103. The main function of the give-way groove 103 is to facilitate the installation of the steel cable. The purpose of setting up several static test devices is to be able to perform static tests on multiple steel cables at the same time.

[0029] In some embodiments, the first fixing frame 104 includes a column 108 and a mounting plate 109. There are two columns 108, and the two columns 108 are respectively arranged on both sides of the make way slot 103 and are detachably connected to the load-bearing wall 102. The mounting plate 109 is connected to the two columns 108, and the fork ear 106 is used to be installed on the mounting plate 109; the second fixing frame 105 has the same structure as the first fixing frame 104, and the telescopic device 107 is used to be installed on the mounting plate 109 on the second fixing frame 105.

[0030] In actual use, the two columns 108 are connected to the mounting plate 109 to form a U-shaped structure. The first fixing frame 104 and the second fixing frame 105 of the U-shaped structure are both installed on the load-bearing wall 102, and the two columns 108 are respectively located on both sides of the make way groove 103; the fork ear 106 is detachably mounted on the mounting plate 109 on the first fixing frame 104 by bolts; the advantage of such a setting is that it is easy to install the first fixing frame 104 and the second fixing frame 105.

[0031] In some embodiments, the mounting rail 101 is provided with a plurality of through slots 110 , in which a plurality of anchor nuts are fixedly disposed, and the first fixing frame 104 and the second fixing frame 105 are fixed to the mounting rail 101 by a plurality of anchor bolts and anchor nuts.

[0032] In actual use, the advantage of using anchor bolts and anchor nuts to fix the first fixing frame 104 and the second fixing frame 105 is that the first fixing frame 104 and the second fixing frame 105 can be stably installed on the mounting rail 101, and the first fixing frame 104 and the second fixing frame 105 are easy to install and disassemble.

[0033] In some embodiments, a stopper 111 is disposed on the column 108 , and a plurality of columns 108 are detachably connected to the load-bearing wall 102 through the stopper 111 .

[0034] In actual use, the main function of setting up the stopper 111 is to be able to select according to the length of the test steel cable body to build the required test environment; and it is fixed to the load-bearing wall 102 by a pin to prevent the column 108 from sliding; finally, deliberately setting up the stopper 111 can also increase the contact area with the wall surface of the load-bearing wall 102 and reduce the damage to the wall surface.

[0035] In some embodiments, a plurality of threaded holes 112 are provided on the load-bearing wall 102 , and the stopper 111 is fixedly mounted on the load-bearing wall 102 by engaging with the threaded holes 112 through bolts.

[0036] In actual use, the threaded hole 112 is provided to facilitate installation and disassembly of the blocking member 111 .

[0037] In some embodiments, a mounting plate 109 located on the second fixing frame 105 is provided with a mounting portion 113 , and the telescopic device 107 is mounted on the mounting plate 109 via the mounting portion 113 .

[0038] In actual use, the main purpose of setting the mounting portion 113 is to facilitate the installation of the telescopic device 107. The mounting portion 113 is a U-shaped structure. The telescopic device 107 is fixed to the mounting portion 113 of the U-shaped structure by bolts and nuts.

[0039] In some embodiments, a plurality of mounting slots 114 are provided on the column 108 , and the anchor bolts pass through the mounting slots 114 and cooperate with the anchor nuts.

[0040] In actual use, the main purpose of setting the installation groove 114 is that there is no need to drill holes in the column 108 multiple times, nor is there any need to tap threads in the hole. Installation is more convenient. The column 108 can be fixed by simply inserting the anchor bolt into the installation groove 114 and then cooperating with the anchor nut.

[0041] In some embodiments, the telescopic device 107 is a pneumatic telescopic device 107 , a hydraulic telescopic device 107 , or an electric telescopic device 107 .

[0042] In actual use, the telescopic device 107 is a hydraulic telescopic device 107. As an optional implementation, in this embodiment, the telescopic device 107 is a hydraulic cylinder. The reason for selecting the hydraulic cylinder is that the hydraulic cylinder can provide greater pressure for the steel cable body, which is more conducive to static testing of the steel cable body.

[0043] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0044] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0045] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A static test loading device for large-load steel cable specimens, characterized in that: include: A mounting rail (101), wherein the mounting rail (101) is used for being installed on the ground; A load-bearing wall (102), wherein the load-bearing wall (102) is arranged on the mounting rail (101) and is arranged perpendicularly to the mounting rail (101), and a clearance groove (103) is provided on the load-bearing wall (102); A static test device, the static test device is used to be installed on a load-bearing wall (102) and a mounting rail (101), and the static test device is used to perform a static test on the steel cable body after passing through the clearance groove (103); The static test device comprises a first fixing frame (104) and a second fixing frame (105), wherein the first fixing frame (104) and the second fixing frame (105) are respectively installed on two sides of a load-bearing wall (102), the first fixing frame (104) is installed with a fork ear (106), the second fixing frame (105) is installed with a telescopic device (107), the telescopic device (107) is used to install a steel cable body to be tested, one end of the steel cable body is used to be installed on the movable end of the telescopic device (107), and the other end is used to be installed on the fork ear (106).

2. A static test loading device for heavy-load steel cable specimens according to claim 1, characterized in that: The load-bearing wall (102) is provided with a plurality of the above-mentioned clearance grooves (103), and a plurality of static test devices are also provided, and the plurality of static test devices are all installed on the load-bearing wall (102).

3. The static test loading device for heavy-load steel cable specimens according to claim 2 is characterized in that: The first fixing frame (104) comprises a column (108) and a mounting plate (109). There are two columns (108), which are respectively arranged on both sides of the clearance groove (103) and are detachably connected to the load-bearing wall (102). The mounting plate (109) is connected to the two columns (108), and the fork ear (106) is used to be installed on the mounting plate (109). The second fixing frame (105) has the same structure as the first fixing frame (104), and the telescopic device (107) is used to be installed on the mounting plate (109) on the second fixing frame (105).

4. The static test loading device for heavy-load steel cable specimens according to claim 1 is characterized in that: The mounting rail (101) is provided with a plurality of through slots (110), a plurality of anchor nuts are fixedly arranged in the through slots (110), and the first fixing frame (104) and the second fixing frame (105) are both fixed to the mounting rail (101) by means of a plurality of anchor bolts and anchor nuts.

5. The static test loading device for heavy-load steel cable specimens according to claim 3 is characterized in that: A blocking member (111) is provided on the column (108), and a plurality of columns (108) are detachably connected to the load-bearing wall (102) through the blocking member (111).

6. A static test loading device for heavy-load steel cable specimens according to claim 5, characterized in that: A plurality of threaded holes (112) are provided on the load-bearing wall (102), and the blocking member (111) is fixedly mounted on the load-bearing wall (102) by means of bolts engaging with the threaded holes (112).

7. The static test loading device for heavy-load steel cable specimens according to claim 3 is characterized by: A mounting plate (109) located on the second fixing frame (105) is provided with a mounting portion (113), and the telescopic device (107) is mounted on the mounting plate (109) via the mounting portion (113).

8. The static test loading device for heavy-load steel cable specimens according to claim 4, characterized in that: A plurality of installation slots (114) are provided on the upright column (108), and the foundation bolts are matched with the foundation nuts after passing through the installation slots (114).

9. The static test loading device for heavy-load steel cable specimens according to claim 1, characterized in that: The telescopic device (107) is a pneumatic telescopic device, a hydraulic telescopic device or an electric telescopic device.

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