Test tool for testing pull-out force of liquid collector

Abstract

The utility model provides a test tool for testing the pull-out force of a liquid collector. The test tool comprises a main body plate, the device further comprises a hanging ring assembly which is detachably installed on the main body plate, and the hanging ring assembly sleeves a connector on the liquid collector so as to apply pulling-out force to the connector of the liquid collector in the test process. And the bearing mechanism is arranged at the bottom of the main body plate, and the bearing mechanism hooks the bottom surface of the top edge of the liquid collector so as to apply pull-out force to the top edge of the liquid collector in the test process. Through the arrangement of the lifting ring assembly and the bearing mechanism, in the process of carrying out a pull-out force test on the liquid collector, the lifting ring assembly sleeves a joint on the liquid collector, and the bearing mechanism hooks the bottom surface of the top edge of the liquid collector, so that the whole test tool is adaptive to the liquid collector, and adaptive connection on existing parts of the liquid collector can be realized for the pull-out force test; and the whole test tool has strong adaptability to the liquid collector.

Description

Technical Field

[0001] The utility model relates to the field of pull-out force test of a fuel tank liquid collector, in particular to a pull-out force test tool for testing a liquid collector. Background Art

[0002] At present, the country is implementing a new version of the safety performance requirements and test methods for automobile fuel tanks and their installation. The country has increasingly higher requirements for safety performance, and at the same time, the requirements for the firmness of the installation of the liquid collector on the fuel tank are also becoming increasingly higher.

[0003] The firmness test of the liquid collector on the fuel tank is achieved by performing a pull-out force test on it. After the liquid collector is installed on the fuel tank, no components specifically used for connecting the test tooling are provided on its outer shell, resulting in the possibility that the traditional tooling may not be able to adapt and connect with the liquid collector, thereby causing a technical problem of inconvenient connection of the pull-out force test tooling. In summary, the prior art lacks a pull-out force test tooling specifically adapted to detect the liquid collector of the fuel tank. Utility Model Content

[0004] The utility model provides a test tool for testing the pull-out force of a liquid collector in order to solve the technical problem that the existing tool is not suitable for the pull-out force test of the liquid collector.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides a test tool for testing the pull-out force of a liquid collector, comprising a main body plate; further comprising: a lifting ring assembly, which is detachably mounted on the main body plate, and the lifting ring assembly is sleeved on a joint on the liquid collector to apply a pull-out force to the joint of the liquid collector during the test; a bearing mechanism, which is arranged at the bottom of the main body plate, and the bearing mechanism hooks the bottom surface of the top edge of the liquid collector to apply a pull-out force to the top edge of the liquid collector during the test.

[0007] In the present technical solution, through the arrangement of the lifting ring assembly and the bearing mechanism, during the pull-off force test of the liquid collector, the lifting ring assembly is put onto the joint on the liquid collector, and the bearing mechanism hooks the top edge and bottom surface of the liquid collector, so that the entire test fixture is adapted to the liquid collector, and an adaption connection can be achieved on the existing parts of the liquid collector for the pull-off force test. The entire test fixture has strong adaptability to the liquid collector. During further testing, force is applied to multiple joints and the top edge of the liquid collector together, so that the pull-off force is dispersed to various positions for sharing, thereby avoiding excessive force on a single point during the liquid collector test, which may cause damage.

[0008] Preferably, the lifting ring assembly comprises a fixed lifting ring, which is a U-shaped rod-shaped structure, and both ends of the fixed lifting ring pass through through holes opened on the main body plate.

[0009] In the present technical solution, a fixed lifting ring can be put on the joint of the liquid collector. When a pulling force is applied upward to the entire tooling, the joint of the liquid collector is pulled through the fixed lifting ring, and the force is borne by the joint of the liquid collector to pull the liquid collector off the oil tank.

[0010] Preferably, both ends of the fixed lifting ring are provided with external threads, and both ends of the fixed lifting ring are connected with a connecting nut through the external threads, and the connecting nut is placed on the main plate.

[0011] In this technical solution, connecting nuts are installed at both ends of the fixed lifting ring so that the fixed lifting ring is installed on the main plate. At the same time, the connecting nut and the fixed lifting ring are threadedly connected, and the two can be separated and disassembled, so that the fixed lifting ring can be removed from the main plate.

[0012] Preferably, it also includes a fixing interface connected to the tensile testing machine; the fixing interface is fixedly mounted on the top surface of the main body plate.

[0013] In this technical solution, the fixed interface is used to connect the tensile testing machine.

[0014] Preferably, a pin hole is provided on the fixing interface.

[0015] In the technical solution, a pin hole is provided to provide a connection hole position between the tensile testing machine and the fixed interface.

[0016] Preferably, the carrying mechanism comprises a carrying bar, the bottom of the carrying bar has a bent portion, and the bent portion of the carrying bar is attached to the bottom surface of the top edge of the liquid collector.

[0017] In this technical solution, the bent portion of the carrier strip is used to hook the top edge and bottom surface of the liquid collector. When the entire tooling is pulled up by a tensile testing machine, the carrier strip applies an upward thrust to the top edge and bottom surface of the liquid collector to provide a pull-off force for the liquid collector.

[0018] Preferably, the supporting mechanism also includes a sliding part, and the top of the carrier bar is installed to the bottom surface of the main body plate through the sliding part; the sliding part includes a sliding groove opened to the bottom surface of the main body plate and a guide rod fixedly installed in the sliding groove, the top of the carrier bar is slidably installed in the sliding groove, and a guide hole is opened at the top of the carrier bar, and the guide rod is connected with the guide hole with a clearance fit.

[0019] In the present technical solution, the carrier bar is movable and adjustable through the design of the sliding part. Before the test, the carrier bar is moved to the top edge and bottom surface of the liquid collector. After the test, the carrier bar is moved away from the top edge and bottom surface of the liquid collector to facilitate the subsequent disassembly of the tooling and the liquid collector.

[0020] Preferably, a spring is sleeved on the guide rod, and the carrier bar is elastically connected to a groove wall at one end of the sliding groove through the spring.

[0021] In this technical solution, elastic installation of the carrier strip is achieved.

[0022] Preferably, two ends of the spring are respectively fixedly connected to the carrier bar and one end wall of the sliding groove.

[0023] In the technical solution, when the carrier bar moves, the spring can be stretched and deformed.

[0024] Preferably, the supporting mechanism further comprises a tightening portion, the tightening portion comprises a fixing nut fixedly mounted on the bottom surface of the main body plate, the fixing nut is threadedly connected with a bolt; the end of the bolt is pressed against the supporting bar.

[0025] In the technical solution, the tightening part is used to tighten the carrier strip. When tightening, the carrier strip hooks the top edge and bottom surface of the liquid collector; when loosening, the carrier strip is separated from the top edge and bottom surface of the liquid collector.

[0026] On the basis of being in accordance with the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0027] The positive and progressive effects of the utility model are:

[0028] The above-mentioned test fixture for testing the pull-off force of the liquid collector is provided with a lifting ring assembly and a bearing mechanism. During the pull-off force test of the liquid collector, the lifting ring assembly is put on the joint on the liquid collector, and the bearing mechanism hooks the top edge and bottom surface of the liquid collector to realize the adaptation of the entire test fixture to the liquid collector. The adaption connection can be realized on the existing parts of the liquid collector for the pull-off force test. The entire test fixture has strong adaptability to the liquid collector. During further testing, the pull-off force is dispersed to various positions for sharing by jointly applying force to multiple joints and the top edge of the liquid collector, so as to avoid excessive force at a single point during the liquid collector test, thereby causing damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the main body plate of the utility model installed on the top of the liquid collector.

[0030] Figure 2 It is a structural schematic diagram of the connection between the fixed lifting ring and the liquid collector joint of the utility model.

[0031] Figure 3 It is a structural schematic diagram of the liquid collector of the utility model.

[0032] Figure 4 It is a structural schematic diagram of the connection between the support mechanism of the utility model and the top edge of the liquid collector.

[0033] Figure 5 This is a schematic diagram of the installation position of the liquid collector of the utility model on the oil tank.

[0034] Description of Reference Numerals

[0035] 1. Main body plate; 101. Through hole; 102. Slide groove;

[0036] 2. Fix the lifting ring;

[0037] 3. Connecting nut;

[0038] 4. Fixed interface;

[0039] 5. Pin hole; 6. Carrier strip;

[0040] 7. Guide rod;

[0041] 8. Guide hole;

[0042] 9. Fixing nut;

[0043] 10. Bolts;

[0044] 11. Spring;

[0045] a. Fuel tank;

[0046] b, liquid collector; b1, joint; b2, top edge. DETAILED DESCRIPTION

[0047] The present invention is further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments.

[0048] like Figure 1-5 As shown, a test fixture for testing the pull-out force of a liquid collector includes a main body plate 1; it also includes: a lifting ring assembly, which is detachably mounted on the main body plate 1, and the lifting ring assembly is sleeved on the joint b1 on the liquid collector b to apply a pull-out force to the joint b1 of the liquid collector b during the test; a bearing mechanism, which is arranged at the bottom of the main body plate 1, and the bearing mechanism hooks the bottom surface of the top edge b2 of the liquid collector b to apply a pull-out force to the top edge b2 of the liquid collector b during the test.

[0049] In the specific implementation, through the setting of the lifting ring assembly and the bearing mechanism, during the pull-off force test of the liquid collector b, the lifting ring assembly is put on the joint b1 on the liquid collector b, and the bearing mechanism hooks the bottom surface of the top edge b2 of the liquid collector b, so that the entire test fixture is adapted to the liquid collector b, and the adaption connection can be achieved on the existing parts of the liquid collector b for the pull-off force test. The entire test fixture has strong adaptability to the liquid collector b; further, it applies force to multiple joints b1 and the top edge b2 of the liquid collector b, so that the pull-off force is dispersed to various positions for sharing, so as to avoid excessive force at a single point during the test of the liquid collector b, which may cause damage.

[0050] like Figure 2As shown, in a specific implementation, the lifting ring assembly includes a fixed lifting ring 2 , which is a U-shaped rod structure, and both ends of the fixed lifting ring 2 pass through a through hole 101 opened on the main plate 1 .

[0051] The fixed lifting ring 2 can be put on the joint b1 of the liquid collector b. When the pulling force is applied upward to the entire tooling, the joint b1 of the liquid collector b is pulled through the fixed lifting ring 2, and the joint b1 of the liquid collector b bears the force to pull the liquid collector b off the oil tank a.

[0052] like Figure 1-2 As shown, as a specific technical solution, both ends of the fixed lifting ring 2 are provided with external threads, and both ends of the fixed lifting ring 2 are connected with a connecting nut 3 through the external threads, and the connecting nut 3 is placed on the main plate 1.

[0053] Connecting nuts 3 are installed at both ends of the fixed lifting ring 2 so that the fixed lifting ring 2 is installed on the main body plate 1. At the same time, the connecting nut 3 and the fixed lifting ring 2 are threadedly connected, and the two can be separated and disassembled, so that the fixed lifting ring 2 can be removed from the main body plate 1.

[0054] The specific process of installing the lifting ring assembly on the joint b1 of the liquid collector b is as follows: first, insert the fixed lifting ring 2 into the joint b1 of the liquid collector b, then insert the external threaded end of the fixed lifting ring 2 into the through hole 101 on the main plate 1, and then screw the connecting nut 3 to the external thread of the fixed lifting ring 2 to install the fixed lifting ring 2; and the process of releasing the joint b1 of the liquid collector b is as follows: by unscrewing all the connecting nuts 3, the main plate 1 is moved to separate from the liquid collector b, and then the fixed lifting ring 2 is removed.

[0055] It also includes a fixing interface 4 connected to the tensile testing machine; the fixing interface 4 is fixedly installed on the top surface of the main body plate 1.

[0056] The fixed interface 4 is used to connect to a tensile testing machine.

[0057] The fixing interface 4 is provided with a pin hole 5. The pin hole 5 is provided to provide a connection hole position between the tensile testing machine and the fixing interface 4. Specifically, after the fixing interface 4 is docked with the connecting interface of the tensile testing machine, an M8 pin is inserted into the pin hole 5 of the fixing interface 4 to play the role of a pin.

[0058] like Figure 4 As shown, as a specific technical solution, the carrying mechanism includes a carrying bar 6, the bottom of the carrying bar 6 has a bent portion, and the bent portion of the carrying bar 6 is attached to the bottom surface of the top edge b2 of the liquid collector b.

[0059] The bent portion of the carrier strip 6 is used to hook the bottom surface of the top edge b2 of the liquid collector b. When the entire tooling is pulled up by the tensile testing machine, the carrier strip 6 applies an upward thrust to the bottom surface of the top edge b2 of the liquid collector b to provide a pull-off force for the liquid collector b.

[0060] like Figure 4 As shown, as a specific technical solution, the supporting mechanism also includes a sliding part, and the top of the carrier bar 6 is installed to the bottom surface of the main body plate 1 through the sliding part; the sliding part includes a slide groove 102 opened to the bottom surface of the main body plate 1 and a guide rod 7 fixedly installed in the slide groove 102, the top of the carrier bar 6 is slidably installed in the slide groove 102, and a guide hole 8 is opened at the top of the carrier bar 6, and the guide rod 7 is connected with the guide hole 8 with a clearance fit.

[0061] Through the design of the sliding part, the carrying bar 6 can be moved and adjusted. Before the test, the carrying bar 6 is moved to the bottom surface of the top edge b2 of the liquid collector b, that is, Figure 4 As shown, after the test, the carrier strip 6 is moved away from the bottom surface of the top edge b2 of the liquid collector b to facilitate the subsequent disassembly of the tooling and the liquid collector b.

[0062] like Figure 4 As shown, as a specific technical solution, a spring 11 is sleeved on the guide rod 7 , and the carrier bar 6 is elastically connected to a groove wall at one end of the sliding groove 102 through the spring 11 .

[0063] The elastic installation of the carrier strip 6 is achieved.

[0064] like Figure 4 As shown, as a specific technical solution, the two ends of the spring 11 are respectively fixed to the carrier bar 6 and one end wall of the sliding groove 102.

[0065] When the carrier bar 6 moves, the spring 11 can be stretched and deformed.

[0066] like Figure 4 As shown, as a specific technical solution, the supporting mechanism also includes a tightening portion, which includes a fixing nut 9 fixedly installed on the bottom surface of the main plate 1, and the fixing nut 9 is threadedly connected with a bolt 10; the end of the bolt 10 is pressed against the carrier bar 6.

[0067] The tightening portion is used to tighten the carrier strip 6. When tightening, the carrier strip 6 hooks the bottom surface of the top edge b2 of the liquid collector b; when loosening, the carrier strip 6 is separated from the bottom surface of the top edge b2 of the liquid collector b.

[0068] The specific operation of the carrying mechanism is as follows: when hooking the bottom surface of the top edge b2 of the liquid collector b, the bolt 10 is tightened on the fixing nut 9, and the bolt 10 pushes the carrying bar 6 to move until the carrying bar 6 is in contact with the bottom surface of the top edge b2 of the liquid collector b. In the above process, the carrying bar 6 slides in the slide groove 102, guided by the guide rod 7 and the guide hole 8, and the spring 11 is stretched at the same time; when separating the carrying bar 6 from the bottom surface of the top edge b2 of the liquid collector b, the bolt 10 is loosened, and the bolt 10 cancels the pressure on the carrying bar 6. The tensile elastic force of the spring 11 drives the carrying bar 6 to reset and slide in the slide groove 102, so that the carrying bar 6 is separated from the bottom surface of the top edge b2 of the liquid collector b.

[0069] After the entire tooling is connected to the liquid collector b, the fixed lifting ring 2 is put on the joint b1 of the liquid collector b, such as Figure 2 As shown, the bearing mechanism hooks the bottom surface of the top edge b2 of the liquid collector b, as shown in FIG. Figure 4 As shown; force is applied by a tensile testing machine to test the pull-out force and determine whether the liquid collector b is firmly fixed.

[0070] The utility model is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the utility model, but these changes and modifications are within the protection scope of the utility model.

Claims

1. A test fixture for testing the pull-off force of a liquid collector, comprising a main body plate (1); characterized in that: Also includes: A lifting ring assembly, wherein the lifting ring assembly is detachably mounted on the main body plate (1), and the lifting ring assembly is sleeved on the joint (b1) on the liquid collector (b) so as to apply a pulling force to the joint (b1) of the liquid collector (b) during the test; The bearing mechanism is arranged at the bottom of the main body plate (1), and the bearing mechanism hooks the bottom surface of the top edge (b2) of the liquid collector (b) to apply a pulling force to the top edge (b2) of the liquid collector (b) during the test.

2. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 1, characterized in that: The lifting ring assembly comprises a fixed lifting ring (2), the fixed lifting ring (2) is a U-shaped rod-shaped structure, and the two ends of the fixed lifting ring (2) pass through a through hole (101) opened on the main body plate (1).

3. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 2, characterized in that: Both ends of the fixed lifting ring (2) are provided with external threads, and both ends of the fixed lifting ring (2) are connected to a connecting nut (3) through the external threads, and the connecting nut (3) is placed on the main body plate (1).

4. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 1, characterized in that: It also comprises a fixing interface (4) connected to the tensile testing machine; the fixing interface (4) is fixedly mounted on the top surface of the main body plate (1).

5. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 4, characterized in that: The fixing interface (4) is provided with a pin hole (5).

6. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 1, characterized in that: The carrying mechanism comprises a carrying bar (6), the bottom of the carrying bar (6) has a bent portion, and the bent portion of the carrying bar (6) is attached to the bottom surface of the top edge (b2) of the liquid collector (b).

7. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 6, characterized in that: The bearing mechanism also includes a sliding part, and the top of the carrier bar (6) is installed to the bottom surface of the main body plate (1) through the sliding part; the sliding part includes a slide groove (102) opened to the bottom surface of the main body plate (1) and a guide rod (7) fixedly installed in the slide groove (102), the top of the carrier bar (6) is slidably installed in the slide groove (102), and a guide hole (8) is opened at the top of the carrier bar (6), and the guide rod (7) is connected with the guide hole (8) in a clearance fit.

8. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 7, characterized in that: The guide rod (7) is sleeved with a spring (11), and the carrier bar (6) is elastically connected to a groove wall at one end of the sliding groove (102) via the spring (11).

9. A test fixture for testing the pull-off force of a liquid collector as claimed in claim 8, characterized in that: The two ends of the spring (11) are respectively fixedly connected to the carrier bar (6) and one end wall of the sliding groove (102).

10. A test fixture for testing the pull-off force of a liquid collector according to claim 7, characterized in that: The supporting mechanism also includes a tightening portion, which includes a fixing nut (9) fixedly mounted on the bottom surface of the main body plate (1), the fixing nut (9) being threadedly connected with a bolt (10); the end of the bolt (10) is pressed against the supporting strip (6).

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