Urea pipe tension test bench capable of stably clamping

Abstract

The utility model discloses a stable clamping urea pipe tension test board, which belongs to the technical field of urea pipe production test and comprises a control bottom table and a lifting assembly, a fixing plate is arranged on the lifting assembly, a supporting top plate is arranged at the bottom of the fixing plate, and a supporting frame is arranged at the top of the control bottom table. A supporting bottom plate is arranged on the top of the supporting frame, two supporting side plates are symmetrically arranged on the top of the supporting top plate and the top of the supporting bottom plate, threaded rods are arranged in the middles of the supporting side plates, adjusting blocks are arranged at one ends of the threaded rods, and movable clamping plates are arranged at the opposite ends of the threaded rods; a plurality of movable grooves are evenly formed in the opposite sides of the movable clamping plates located on the supporting top plate, and fixing columns are arranged on the movable grooves. According to the utility model, through cooperative use of the movable column, the spring and other components, an irregular connection joint can be conveniently fixed, the loosening phenomenon in the stretching process is avoided, and the test accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of urea pipe production testing, in particular to a stably clamped urea pipe tension test bench. Background Art

[0002] At present, SCR post-treatment system is widely used in commercial vehicles of National V and above. The post-treatment system of commercial vehicles consists of: urea storage unit (urea tank), urea liquid supply unit (urea pump), urea injection unit (urea nozzle). When working: the urea pump draws urea liquid from the urea tank through the urea pipe, and then presses the urea liquid into the nozzle through the urea pipe. The excess urea liquid flows back to the urea tank through the urea pipe. In cold areas, the urea pipe needs to have a thawing function to ensure the normal operation of the post-treatment system. At present, almost all urea pipes use the principle of electric heating, which uses the electricity generated by the generator driven by the engine.

[0003] However, the existing stable clamping urea pipe tensile test bench has the following problems during use: due to the irregular structure of the connection joint of the urea pipe, the conventional rectangular plate is used for clamping, which is prone to loose displacement when pulling, thus affecting the accuracy of tensile force detection. Therefore, it is necessary to design a corresponding technical solution to solve the existing technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a stably clamped urea pipe tension test bench, which solves the technical problem that the connection joint part of the urea pipe has an irregular structure and is conventionally clamped by a rectangular plate, which is prone to loose displacement when pulling, thus affecting the accuracy of tension detection, thereby meeting actual use needs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a control base and a lifting component, the lifting component is provided with a fixed plate, the bottom of the fixed plate is provided with a supporting top plate, the top of the control base is provided with a supporting frame, the top of the supporting frame is provided with a supporting bottom plate, two supporting side plates are symmetrically provided on the top of the supporting top plate and the top of the supporting bottom plate, a threaded rod is provided at the middle position of the supporting side plate, an adjusting block is provided on one end of the threaded rod, a movable splint is provided on the facing end of the threaded rod, and the movable splint located on the supporting top plate is evenly provided with a plurality of supporting plates on the opposite side. The movable groove is provided with a fixing column on the movable groove, a movable column is provided on the fixing column, a limiting ring is provided on the movable groove at a position close to the opening, a spring is provided on the fixing column, a magnetic suction plate is rotatably connected on one side of the movable splint, a guide rod is provided between the side parts of the support side plates, a connecting ring is provided on the guide rod, a connecting block is provided on the outer edge of the connecting ring, a positioning groove is provided in the middle of the side part of the movable splint, an extension rod is provided in the middle of the side part of the support top plate, a placement plate is provided between the bottom ends of the extension rods, and placement grooves are provided between the middle and sides of the placement plate and the support bottom plate.

[0006] As a preferred embodiment of the utility model, support legs are installed on the bottom of the control base, a control button is provided on one side of the control base, the lifting assembly is vertically fixed as a whole on the top of the control base, and the fixing plate is fixedly connected to the driving end of the lifting assembly.

[0007] As a preferred embodiment of the utility model, the support top plate and the support bottom plate are on the same vertical line, the threaded rod and the support side plate are threadedly connected, the adjustment block has a cylindrical structure and a diameter larger than the threaded rod, and one side of the movable splint is attached to the support top plate and the support bottom plate.

[0008] As a preferred embodiment of the utility model, the movable column has the same structure as the movable groove, and the cross-section of the movable column at one end located in the movable groove is a "T"-shaped structure. The movable column has a hollow cylindrical structure with one end being an open structure and the other end being a sealed structure.

[0009] As a preferred embodiment of the utility model, the cross-section of the magnetic plate is in a "T"-shaped structure, the magnetic plate and the threaded rod are magnetically connected, the connecting ring and the guide rod are slidingly connected, the connecting block is in an "L"-shaped structure as a whole, one end of the connecting block is located on the positioning groove and is fixedly connected by bolts, and one end of the placement groove is in an arc-shaped structure and is bonded with a rubber layer.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] Through the coordinated use of components such as movable columns and springs, irregular connecting plugs can be conveniently fixed. The connecting plug is placed between two movable splints, and then the threaded rod is rotated to drive the movable splint to move. When the movable column contacts the connecting plug, it continues to move and squeeze. At this time, the movable column will move into the movable groove, and the moving distances of the movable columns at different positions are different, so that it can fit the irregular appearance of the connecting plug well. When pulling, the connecting plug will be blocked by the movable column, and will not be displaced or loosened, thereby ensuring the accuracy of the tensile test and solving the problem affecting the accuracy of the tensile test. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the supporting top plate described in the utility model;

[0014] Figure 3 This is a structural diagram of the movable splint described in the utility model;

[0015] Figure 4 This is a structural diagram of the support base plate of the utility model;

[0016] Figure 5 This is a structural diagram of the placement groove described in the utility model.

[0017] In the figure: control button-1, support frame-2, control base-3, support bottom plate-4, support top plate-5, lifting assembly-6, fixed plate-7, threaded rod-8, positioning groove-9, adjustment block-10, support side plate-11, movable splint-12, movable column-13, connecting ring-14, guide rod-15, magnetic plate-16, fixed column-17, spring-18, limiting ring-19, connecting block-20, placement groove-21, movable groove-22, placement plate-23, extension rod-24. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-5The utility model provides a technical solution: a stably clamped urea pipe tensile test bench, comprising: a control base 3 and a lifting assembly 6, a fixed plate 7 is arranged on the lifting assembly 6, a support top plate 5 is arranged on the bottom of the fixed plate 7, a support frame 2 is arranged on the top of the control base 3, a support bottom plate 4 is arranged on the top of the support frame 2, two support side plates 11 are symmetrically arranged on the top of the support top plate 5 and the support bottom plate 4, a threaded rod 8 is arranged in the middle of the support side plate 11, an adjustment block 10 is arranged on one end of the threaded rod 8, a movable splint 12 is arranged on the opposite end of the threaded rod 8, and the movable splint 12 located on the support top plate 5 is evenly provided with a plurality of movable grooves 22 on the opposite side, a fixed column 17 is arranged on the movable groove 22, and a movable column 11 is arranged on the fixed column 17 3. A limit ring 19 is provided at a position near the opening of the movable groove 22, a spring 18 is provided on the fixed column 17, a magnetic plate 16 is rotatably connected on one side of the movable splint 12, a guide rod 15 is provided between the sides of the support side plate 11, a connecting ring 14 is provided on the guide rod 15, a connecting block 20 is provided on the outer edge of the connecting ring 14, a positioning groove 9 is provided in the middle of the side of the movable splint 12, an extension rod 24 is provided in the middle of the side of the support top plate 5, a placement plate 23 is provided between the bottom ends of the extension rod 24, and a placement groove 21 is provided between the placement plate 23 and the middle and side of the support bottom plate 4. Specifically, the placement plate 23 can temporarily support and fix the pipeline part of the urea pipe before the connecting plug is fixed, so as to facilitate the subsequent movement of the movable splint 12 and fix the connecting plug.

[0020] As a further improvement, a support leg is installed on the bottom of the control base 3, a control button 1 is provided on one side of the control base 3, the lifting assembly 6 is vertically fixed as a whole on the top of the control base 3, and the fixing plate 7 is fixedly connected to the driving end of the lifting assembly 6.

[0021] Further improved, the support top plate 5 and the support bottom plate 4 are on the same vertical line, the threaded rod 8 and the support side plate 11 are threadedly connected, the adjustment block 10 has a cylindrical structure and a diameter larger than the threaded rod 8, and one side of the movable splint 12 is attached to the support top plate 5 and the support bottom plate 4.

[0022] As a further improvement, the movable column 13 has the same structure as the movable groove 22. The cross section of the movable column 13 at one end located in the movable groove 22 is a "T"-shaped structure. The movable column 13 is a hollow cylindrical structure with one end being an open structure and the other end being a sealed structure.

[0023] As a further improvement, the cross-section of the magnetic plate 16 is in a "T" shape, the magnetic plate 16 is magnetically connected to the threaded rod 8, the connecting ring 14 is slidingly connected to the guide rod 15, and the connecting block 20 is in an "L" shape as a whole. One end of the connecting block 20 is located on the positioning groove 9 and is fixedly connected with bolts, and one end of the placement groove 21 is in an arc shape and is bonded with a rubber layer. Specifically, the connecting ring 14 and the guide rod 15 can ensure the stability of the movement of the movable splint 12. At the same time, the connecting block 20 is fixed to the movable splint 12 to facilitate fixed connection, that is, it is convenient to disassemble the movable splint 12 and improve the adaptability of the fixation.

[0024] When in use: the utility model first places the pipeline part of the urea pipe close to the plug on the placement plate 23. At this time, the connecting plug is located between the movable splints 12. At this time, the rotating threaded rod 8 drives the movable splint 12 to move. When the movable column 13 contacts the connecting plug, it continues to move and extrude. At this time, the movable column 13 will move into the movable groove 22, and the movable columns 13 at different positions have different contact positions with the surface of the connecting plug, and the moving distances are different, so that it can fit the irregular appearance of the connecting plug well. After the connecting plug is fixed on the supporting top plate 5, according to needs, if the pipeline part of the urea pipe is fixed, the pipeline part is placed in the placement groove 21 of the supporting bottom plate 4, and the threaded rod 8 is used to drive the movable splint 12 without the movable column 13 installed to move, so as to fix the urea pipe pipeline. If the other end structure of the urea pipe is fixed, the movable splint 12 on the supporting bottom plate 4 is replaced with the movable splint 12 with the movable column 13 installed, and the other connecting plug is fixed.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stable clamping urea pipe tensile test bench, characterized by: The invention comprises a control base (3) and a lifting assembly (6), wherein a fixing plate (7) is arranged on the lifting assembly (6), a supporting top plate (5) is arranged on the bottom of the fixing plate (7), a supporting frame (2) is arranged on the top of the control base (3), a supporting bottom plate (4) is arranged on the top of the supporting frame (2), two supporting side plates (11) are symmetrically arranged on the top of the supporting top plate (5) and the top of the supporting bottom plate (4), a threaded rod (8) is arranged at the middle position of the supporting side plate (11), an adjusting block (10) is arranged on one end of the threaded rod (8), a movable clamping plate (12) is arranged on the opposite end of the threaded rod (8), and a plurality of movable grooves (22) are evenly arranged on the opposite side of the movable clamping plate (12) located on the supporting top plate (5), and a fixing column (11) is arranged on the movable groove (22). 7), a movable column (13) is arranged on the fixed column (17), a limit ring (19) is arranged on the movable groove (22) at a position close to the opening, a spring (18) is arranged on the fixed column (17), a magnetic attraction plate (16) is rotatably connected on one side of the movable clamping plate (12), a guide rod (15) is arranged between the side parts of the supporting side plate (11), a connecting ring (14) is arranged on the guide rod (15), a connecting block (20) is arranged on the outer edge of the connecting ring (14), a positioning groove (9) is arranged in the middle of the side part of the movable clamping plate (12), an extension rod (24) is arranged in the middle of the side part of the supporting top plate (5), a placement plate (23) is arranged between the bottom end of the extension rod (24), and a placement groove (21) is arranged between the middle and side parts of the placement plate (23) and the supporting bottom plate (4).

2. The stably clamped urea pipe tensile test bench according to claim 1, characterized in that: A support leg is installed on the bottom of the control base (3), a control button (1) is arranged on one side of the control base (3), the lifting assembly (6) is vertically fixed as a whole on the top of the control base (3), and the fixing plate (7) is fixedly connected to the driving end of the lifting assembly (6).

3. The stably clamped urea pipe tensile test bench according to claim 1, characterized in that: The support top plate (5) and the support bottom plate (4) are located on the same vertical line, the threaded rod (8) and the support side plate (11) are threadedly connected, the adjustment block (10) is cylindrical in structure and has a diameter larger than the threaded rod (8), and one side of the movable clamping plate (12) is attached to the support top plate (5) and the support bottom plate (4).

4. The stably clamped urea pipe tensile test bench according to claim 1, characterized in that: The movable column (13) has the same structure as the movable groove (22); the cross section of the movable column (13) at one end located in the movable groove (22) is in a "T"-shaped structure; the movable column (13) is in a hollow columnar structure with one end being an open structure and the other end being a closed structure.

5. The stably clamped urea pipe tensile test bench according to claim 1, characterized in that: The cross section of the magnetic attraction plate (16) is in a "T"-shaped structure; the magnetic attraction plate (16) is magnetically connected to the threaded rod (8); the connecting ring (14) is slidably connected to the guide rod (15); the connecting block (20) is in an "L"-shaped structure as a whole; one end of the connecting block (20) is located on the positioning groove (9) and is fixedly connected by bolts; and one end of the placement groove (21) is in an arc-shaped structure and is bonded with a rubber layer.

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