Testing device for opening and closing test of unhooking rope clip

Abstract

The utility model discloses a test device for an opening and closing test of a hanging-off rope clip, which relates to the technical field of the opening and closing fatigue strength test of the hanging-off rope clip and comprises a rack, a driver and a telescopic mechanism, a working table is arranged on the rack, a fixed support and a movable support are sequentially arranged on the working table in the first direction, and the movable support can be close to or away from the fixed support in the first direction; a mounting bracket is fixedly arranged on the rack on one side of the movable bracket; the fixed support is provided with a first clamping opening, and the movable support is provided with a second clamping opening. A plurality of first mounting hole sets are formed in the mounting support in the vertical direction, the telescopic mechanism is provided with a fixed end and a telescopic end, the fixed end is hinged to one first mounting hole set, and a notch is formed in one side of the working table top; and the driver is used for driving the telescopic end of the telescopic mechanism to perform telescopic action relative to the fixed end. The test of various unhooking rope clips of different structures is met, the equipment flexibility is improved, and the opening and closing test effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of opening and closing fatigue strength testing of a detachable cable gripper, in particular to a testing device for opening and closing testing of a detachable cable gripper. Background Art

[0002] The test device for the opening and closing fatigue strength test of the detachable cable gripper is a device that simulates the actual opening and closing fatigue test of the jaws of the detachable cable gripper for 500,000 times, and is used to detect whether the detachable cable gripper is qualified. For example, the online dynamic real-time measurement device for the gripping force of the detachable cable gripper with the authorization announcement number "CN204269275U" adopts an independent split movable force plate, which is fixed on the fixed pressure rail by bolts and nuts, eliminating the welding process, so that the opening force of the operating roller of the detachable cable gripper can be accurately measured in real time under dynamic conditions. The gripping force test can be called the opening and closing fatigue strength test.

[0003] The existing experimental device for testing the opening and closing fatigue strength of the detachable cable gripper is not universal for the installation of detachable cable grippers of different structural types, has poor adjustment capability, and has a limited swing angle of the hydraulic cylinder, which affects the opening and closing test effect. Utility Model Content

[0004] The purpose of the utility model is to provide a test device for opening and closing test of a detachable cable gripper, so as to solve the problems existing in the above-mentioned prior art, meet the test of detachable cable grippers of various structures, improve the flexibility of the equipment, and ensure the opening and closing test effect.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a test device for opening and closing test of a detachable gripper, comprising a frame, a driver and a telescopic mechanism; a work surface is arranged on the frame, and the length direction of the work surface is taken as a first direction; fixed brackets and movable brackets are arranged in sequence on the work surface along the first direction, the fixed bracket is fixed on the work surface, the movable bracket can approach or move away from the fixed bracket along the first direction, and the movable bracket can keep a fixed relative position with the work surface after moving; a mounting bracket is fixedly arranged on the frame on the side of the movable bracket away from the fixed bracket; the fixed bracket The fixed bracket has a first clamping opening for clamping the center rod of the detachable rope gripper, and the movable bracket has a second clamping opening for clamping the center rod of the detachable rope gripper; the mounting bracket has a plurality of first mounting hole groups in the vertical direction, the telescopic mechanism has a fixed end and a telescopic end, the fixed end is hinged on one of the first mounting hole groups, and the telescopic end is used to be hinged with the movable outer clamp of the detachable rope gripper, and a notch for accommodating the swing of the telescopic mechanism is provided on one side of the workbench close to the mounting bracket; the driver is used to drive the telescopic end of the telescopic mechanism to perform a telescopic action relative to the fixed end.

[0007] Preferably, a plurality of second mounting hole groups are formed on the work surface, and each of the second mounting hole groups is arranged in sequence along a direction approaching or away from the fixed bracket, and the movable bracket can be fixed to one of the second mounting hole groups through a connecting piece.

[0008] Preferably, the telescopic end is hinged with a connecting bracket, and the connecting bracket is used to be detachably connected to the movable outer clamp of the detachable cable clamp.

[0009] Preferably, the fixed bracket includes a first leg, a first semicircular plate and a second semicircular plate, the lower end of the first leg is fixedly connected to the work surface, the upper end of the first leg is fixedly connected to the first semicircular plate, the first semicircular plate and the second semicircular plate can be detachably connected together, and the inner sides of the first semicircular plate and the second semicircular plate jointly form the first clamping opening.

[0010] Preferably, the movable bracket includes a second leg, a shelf plate and a U-shaped screw, the lower end of the second leg is fixedly connected to the work surface via a second mounting hole group, the upper end of the second leg is fixedly connected to the shelf plate, and through holes are provided on both sides of the shelf plate, the U-shaped screw is used to be sleeved on the center rod of the detachable rope gripper and the two ends are respectively passed through the corresponding through holes for fixation.

[0011] Preferably, the driver comprises a motor and a hydraulic pump, the telescopic mechanism is a telescopic cylinder, the telescopic cylinder is connected to the hydraulic pump through an oil circuit, and the motor is used to drive the hydraulic pump to operate.

[0012] Compared with the prior art, the utility model has achieved the following technical effects:

[0013] The test device for the opening and closing test of the detachable rope gripper provided by the utility model is suitable for the fixation of detachable rope grippers with different center rod lengths by arranging a movable bracket that can be close to or away from the fixed bracket; and a plurality of first mounting hole groups opened on the mounting bracket can conveniently adjust the mounting position of the telescopic mechanism, thereby ensuring that it adapts to the swing stroke of the movable outer clamp of different detachable rope grippers; and a notch is opened on the workbench surface corresponding to the swing position of the telescopic mechanism, thereby increasing the swing angle of the telescopic mechanism to meet the needs of different swing angles; therefore, the overall device formed by it is more flexible and can be suitable for the opening and closing test effects of detachable rope grippers with different structures.

[0014] Furthermore, a plurality of second mounting hole groups are provided on the work surface, and the movable bracket is fixed on a second mounting hole group through a connecting piece to realize movement and fixation of the position of the movable bracket on the work surface. The structure is simple and the implementation cost is low.

[0015] Furthermore, the setting of the connecting bracket facilitates its quick connection with the detachable cable gripper, thereby increasing the connection speed; and can avoid damage to the telescopic mechanism caused by the hinged rotation.

[0016] Furthermore, the fixing bracket adopts a first semicircular plate and a second semicircular plate to form a first clamping opening, which has a simple structure and is convenient for installation and disassembly; and the clamping surface is large, which can improve the clamping firmness.

[0017] Furthermore, the movable bracket is realized by a combination of a shelf plate and a U-shaped screw, which has a simple structure and is convenient for quickly fixing the center rod of the detachable cable gripper; and the corresponding position of the center rod of the detachable cable gripper can be stably locked by replacing different U-shaped screws.

[0018] Furthermore, the driver is constructed in the form of a motor and a hydraulic pump, and the motor and the hydraulic pump can be integrated on the same shaft to reduce the overall occupied area; and its structure is simple, reducing the number of components. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A front view of a test device for opening and closing tests of a detachable gripper provided by the utility model;

[0021] Figure 2 A right side view of the test device for opening and closing test of the detachable gripping device provided by the utility model;

[0022] Figure 3 A top view of a test device for opening and closing tests of a detachable gripper provided by the utility model;

[0023] Figure 4 A front view of a connecting bracket in a test device for opening and closing test of a detachable gripper provided by the utility model;

[0024] Figure 5 The utility model provides a side view of a connecting bracket in a test device for testing the opening and closing of a detachable rope gripper.

[0025] In the figure: 100 - a test device for testing the opening and closing of a detachable gripper;

[0026] 10-frame; 11-work surface; 12-notch; 13-second mounting hole group;

[0027] 20-driver; 21-motor; 22-hydraulic pump;

[0028] 30- telescopic mechanism; 31- fixed end; 32- telescopic end; 33- connecting bracket; 331- fixed plate; 332- movable plate; 333- receiving groove; 334- perforation;

[0029] 40-fixed bracket; 41-first leg; 42-first semicircular plate; 43-second semicircular plate;

[0030] 50-movable bracket; 51-second leg; 52-shelf board;

[0031] 60 - mounting bracket; 61 - first mounting hole group. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model aims to provide a test device for opening and closing test of a detachable cable gripper, so as to solve the problems existing in the prior art, meet the test of detachable cable grippers of various structures, improve the flexibility of the equipment, and ensure the opening and closing test effect.

[0034] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0035] Embodiment 1

[0036] This embodiment provides a test device 100 for testing the opening and closing of a detachable gripper. Figure 1 to Figure 5 As shown, it includes a frame 10, a driver 20 and a telescopic mechanism 30; a work surface 11 is provided on the frame 10, and the length direction of the work surface 11 is a first direction; a fixed bracket 40 and a movable bracket 50 are arranged in sequence on the work surface 11 along the first direction, the fixed bracket 40 is fixed on the work surface 11, the movable bracket 50 can approach or move away from the fixed bracket 40 along the first direction, and the movable bracket 50 can keep the relative position with the work surface 11 fixed after moving; a mounting bracket 60 is fixedly provided on the frame 10 on the side of the movable bracket 50 away from the fixed bracket 40; the fixed bracket 40 has a fixing bracket for clamping the fixed bracket 40; The movable bracket 50 has a first clamping hole for clamping the center rod of the fixed detachable rope gripper, and a second clamping hole for clamping the center rod of the fixed detachable rope gripper is provided on the movable bracket 50; the mounting bracket 60 has a plurality of first mounting hole groups 61 in the vertical direction, the telescopic mechanism 30 has a fixed end 31 and a telescopic end 32, the fixed end 31 is hinged on one of the first mounting hole groups 61, and the telescopic end 32 is used to be hinged with the movable outer clamp of the detachable rope gripper, and a notch 12 for accommodating the swing of the telescopic mechanism 30 is provided on one side of the work surface 11 close to the mounting bracket 60; the driver 20 is used to drive the telescopic end 32 of the telescopic mechanism 30 to perform a telescopic action relative to the fixed end 31.

[0037] Specifically, the notch 12 provided on the work surface 11 can be of any shape, such as a U-shape, which is mainly used to avoid the swing range of the telescopic mechanism 30 when driving the movable outer clamp of the detachable gripper to swing, so as to ensure that the telescopic mechanism 30 can swing within a larger range.

[0038] Specifically, the fixed end 31 and the telescopic end 32 of the telescopic mechanism 30 are opposite ends. Taking the telescopic mechanism 30 as a telescopic cylinder as an example, the fixed end 31 can be one end of the telescopic cylinder body, and the telescopic end 32 is one end of the telescopic cylinder piston rod, or the fixed end 31 can be one end of the telescopic cylinder piston rod, and the telescopic end 32 is one end of the telescopic cylinder body.

[0039] By providing a movable bracket 50 that can be close to or away from the fixed bracket 40, it is possible to fix the detachable rope grippers with different center rod lengths; and the multiple first mounting hole groups 61 opened on the mounting bracket 60 can conveniently adjust the installation position of the telescopic mechanism 30, thereby ensuring that it adapts to the swing stroke of the movable outer clamp of different detachable rope grippers; and a notch 12 is opened on the work surface 11 corresponding to the swing position of the telescopic mechanism 30, thereby increasing the swing angle of the telescopic mechanism 30 to meet the needs of different swing angles; therefore, the overall device formed is more flexible and can be used for the opening and closing test effects of detachable rope grippers with different structures.

[0040] The structure of the fixing bracket 40 is as follows:

[0041] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, the fixed bracket 40 includes a first leg 41, a first semicircular plate 42 and a second semicircular plate 43. The lower end of the first leg 41 is fixedly connected to the work surface 11, and the upper end of the first leg 41 is fixedly connected to the first semicircular plate 42. The first semicircular plate 42 and the second semicircular plate 43 are detachably connected together, and the inner sides of the first semicircular plate 42 and the second semicircular plate 43 jointly form a first clamping opening. The fixed bracket 40 uses the first semicircular plate 42 and the second semicircular plate 43 to form the first clamping opening, which has a simple structure and is convenient for installation and disassembly; and the clamping surface is large, which can improve the clamping firmness.

[0042] Specifically, extension plates are fixed on both sides of the first semicircular plate 42 and the second semicircular plate 43, and mounting through holes are opened at corresponding positions on the extension plates, and the first semicircular plate 42 and the second semicircular plate 43 are fixedly connected by the cooperation of bolts and nuts.

[0043] Specifically, a protective pad or a height adjustment pad can be added between the inner side of the first semicircular plate 42 and the second semicircular plate 43 and the outer side of the center rod of the detachable rope gripper. The protective pad can reduce the scratches caused by the first semicircular plate 42 and the second semicircular plate 43 on the fixed position of the center rod of the detachable rope gripper; the height adjustment pad can fine-tune the height of the detachable rope gripper.

[0044] The structure of the movable bracket 50 is as follows:

[0045] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2As shown, the movable bracket 50 includes a second leg 51, a shelf plate 52 and a U-shaped screw. The lower end of the second leg 51 is fixedly connected to the work surface 11 through a second mounting hole group 13, and the upper end of the second leg 51 is fixedly connected to the shelf plate 52. The shelf plate 52 has through holes 334 on both sides. The U-shaped screw is used to be sleeved on the center rod of the detachable cable gripper and the two ends are respectively inserted into the corresponding through holes 334 for fixing. The movable bracket 50 is realized by the cooperation of the shelf plate 52 and the U-shaped screw. It has a simple structure and is convenient for quickly fixing the center rod of the detachable cable gripper; and the corresponding position of the center rod of the detachable cable gripper can be stably locked by replacing different U-shaped screws.

[0046] Specifically, a protective pad and a height adjustment pad may be provided at the position between the U-shaped screw and the shelf plate 52 for fixing the center rod of the detachable rope gripper.

[0047] Among the optional solutions of this embodiment, it is more preferred that Figure 3 As shown, a plurality of second mounting hole groups 13 are provided on the work surface 11, and each second mounting hole group 13 is sequentially arranged in a direction close to or away from the fixed bracket 40, and the movable bracket 50 can be fixed on a second mounting hole group 13 through a connecting member. By providing a plurality of second mounting hole groups 13 on the work surface 11, and fixing the movable bracket 50 on a second mounting hole group 13 through a connecting member, the movable bracket 50 can be moved and fixed on the work surface 11, and the structure is simple and the implementation cost is low.

[0048] The connection structure between the telescopic mechanism 30 and the detachable cable gripper is as follows:

[0049] Among the optional solutions of this embodiment, it is more preferred that Figure 4 and Figure 5 As shown, the telescopic end 32 is hinged with a connecting bracket 33, and the connecting bracket 33 is used to be detachably connected to the movable outer clamp of the detachable cable clamp. The setting of the connecting bracket 33 facilitates its rapid connection with the detachable cable clamp, improves the connection speed, and can avoid damage to the telescopic mechanism 30 caused by the hinged rotation.

[0050] Specifically, the connection between the end of the connecting bracket 33 and the end of the movable outer clamp of the detachable gripping device can adopt a connecting bracket 33, which has a fixed plate 331 and a movable plate 332, and the fixed plate 331 and the movable plate 332 are respectively located on both sides of the end of its movable outer clamp, and fasteners are provided on the fixed plate 331 and the movable plate 332 so that the fixed plate 331 and the movable plate 332 can be stably and firmly clamped on the end of its movable outer clamp. Specifically, the fasteners can adopt conventional connectors that can be quickly connected or disassembled, which is convenient for installation and disassembly and improves work efficiency.

[0051] Specifically, the other end of the connecting bracket 33 is hinged with the telescopic end 32 by providing a receiving groove 333 at the end of the connecting bracket 33, and providing through holes 334 on opposite sides of the receiving groove 333. An axle pin is passed through the through hole 334, and the axis is passed through the hole of the telescopic end 32, so as to realize quick connection.

[0052] The driver 20 is composed of:

[0053] Among the optional solutions of this embodiment, it is more preferred that Figure 1 to Figure 3 As shown, the driver 20 includes a motor 21 and a hydraulic pump 22, the telescopic mechanism 30 is a telescopic cylinder, the telescopic cylinder is connected to the hydraulic pump 22 through an oil circuit, and the motor 21 is used to drive the hydraulic pump 22 to operate. The driver 20 is composed of the motor 21 and the hydraulic pump 22, and the motor 21 and the hydraulic pump 22 can be integrated on the same shaft to reduce the overall occupied area; and its structure is simple, and the number of components is reduced.

[0054] Specifically, the telescopic speed of the telescopic cylinder is adjustable to adapt to the simulation of opening and closing speeds of different detachable grippers.

[0055] Embodiment 2

[0056] This embodiment provides a test method for a test device 100 for testing the opening and closing of a detachable gripper based on the first embodiment, comprising the following steps:

[0057] S1, adjusting the movable bracket 50 to a suitable position from the fixed bracket 40 according to the length of the center rod of the detachable cable gripper;

[0058] S2, according to the opening and closing stroke of the movable outer clamp of the detachable gripper, the fixed end 31 of the telescopic mechanism 30 is installed to a suitable height position on the mounting bracket 60;

[0059] S3, fix the central rod of the detachable cable gripper through the fixed bracket 40 and the movable bracket 50;

[0060] S4, connecting the movable outer clamp of the detachable gripping device to the telescopic end 32 of the telescopic mechanism 30;

[0061] S5, turning on the driver 20, and driving the telescopic mechanism 30 to telescope through the driver 20 to complete the opening and closing simulation of the detachable cable gripper.

[0062] By adopting a fixed bracket 40, a movable bracket 50 that can be moved, and a plurality of first mounting hole groups 61 on the mounting bracket 60, the installation and testing needs of detachable rope grippers of different structures can be met, and the overall equipment formed is more flexible and has a better opening and closing testing effect.

[0063] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A test device for opening and closing test of a detachable gripper, characterized in that: It includes a frame, a drive and a telescopic mechanism; A working table is provided on the frame, and the length direction of the working table is taken as the first direction; A fixed bracket and a movable bracket are sequentially arranged on the work surface along the first direction, the fixed bracket is fixed on the work surface, the movable bracket can approach or move away from the fixed bracket along the first direction, and the movable bracket can keep a fixed relative position with the work surface after moving; a mounting bracket is fixedly arranged on the frame located on a side of the movable bracket away from the fixed bracket; The fixed bracket has a first clamping opening for clamping the center rod of the fixed detachable cable gripper, and the movable bracket has a second clamping opening for clamping the center rod of the fixed detachable cable gripper; The mounting bracket is provided with a plurality of first mounting hole groups in the vertical direction, the telescopic mechanism has a fixed end and a telescopic end, the fixed end is hinged on one of the first mounting hole groups, and the telescopic end is used to be hinged with the movable outer clamp of the detachable cable gripper, and a notch is provided on one side of the work surface close to the mounting bracket to accommodate the swing of the telescopic mechanism; The driver is used to drive the telescopic end of the telescopic mechanism to perform a telescopic action relative to the fixed end.

2. The test device for opening and closing test of detachable gripper according to claim 1, characterized in that: The work surface is provided with a plurality of second mounting hole groups, each of which is arranged in sequence in a direction close to or away from the fixed bracket, and the movable bracket can be fixed on one of the second mounting hole groups through a connecting piece.

3. The test device for opening and closing test of detachable gripper according to claim 1, characterized in that: The telescopic end is hinged with a connecting bracket, and the connecting bracket is used to be detachably connected to the movable outer clamp of the detachable clamp.

4. The test device for opening and closing test of detachable gripper according to claim 1, characterized in that: The fixed bracket includes a first leg, a first semicircular plate and a second semicircular plate. The lower end of the first leg is fixedly connected to the work surface, and the upper end of the first leg is fixedly connected to the first semicircular plate. The first semicircular plate and the second semicircular plate can be detachably connected together, and the inner sides of the first semicircular plate and the second semicircular plate jointly form the first clamping opening.

5. The test device for opening and closing test of detachable gripper according to claim 2, characterized in that: The movable bracket includes a second leg, a shelf plate and a U-shaped screw. The lower end of the second leg is fixedly connected to the work surface via a second mounting hole group, and the upper end of the second leg is fixedly connected to the shelf plate. The shelf plate has through holes on both sides. The U-shaped screw is used to be sleeved on the center rod of the detachable rope gripper and its two ends are respectively inserted into the corresponding through holes for fixation.

6. The test device for opening and closing test of detachable gripper according to claim 1, characterized in that: The driver comprises a motor and a hydraulic pump. The telescopic mechanism is a telescopic cylinder. The telescopic cylinder is connected to the hydraulic pump through an oil circuit. The motor is used to drive the hydraulic pump to operate.

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