Auxiliary fuel injector test tooling

Abstract

The present invention relates to the technical field of ships, and discloses an auxiliary oil nozzle test tooling, including: a base and a mounting frame. The mounting frame is integrally connected to the upper surface of the base, and a waist-shaped hole is penetrated through the surface of the base. A support plate and a mounting plate are respectively arranged inside the mounting frame. A locking mechanism is arranged inside the mounting frame, and guiding mechanisms are arranged on both sides of the locking mechanism. An upper fixing mechanism and a lower fixing mechanism are respectively installed on one side of the mounting frame. The lower fixing mechanism is located below the upper fixing mechanism. The lower fixing mechanism includes a fixed clamping unit, a movable clamping unit, and a guiding connection unit. The fixed clamping unit is connected to one side of the mounting frame. This auxiliary oil nozzle test tooling can temporarily fix and stably fix the oil nozzle sampling pipe through the upper fixing mechanism and the lower fixing mechanism, facilitating the placement of the oil nozzle sampling pipe and avoiding damage to the sampling pipe caused by improper placement.

Description

Technical Field

[0001] The present invention relates to the technical field of ships, specifically to an auxiliary oil head test tooling. Background Art

[0002] Before a ship is put into use, an auxiliary oil head experiment needs to be carried out to check the injection pressure and whether the oil holes are unobstructed, and to check the valve opening pressure, atomization condition, and oil circuit condition of the oil head, so as to prevent poor atomization of the oil head, leakage, poor combustion in the cylinder, and parameters such as exhaust smoke, exhaust temperature, single-cylinder exhaust temperature, explosion pressure, and compression. At present, when general ships conduct auxiliary oil head experiments, a sampling tube is needed for sampling, and the sampling tube is directly held and placed by hand, which is likely to cause improper placement and damage to the sampling tube. Therefore, an auxiliary oil head test tooling is needed that can fix the oil head sampling tube and facilitate the placement of the oil head sampling tube. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides an auxiliary oil head test tooling, which solves the problems mentioned in the above background.

[0004] The present invention provides the following technical solutions: The auxiliary oil head test tooling includes: a base and a mounting frame. The mounting frame is integrally connected to the upper surface of the base, and a waist-shaped hole is penetrated through the surface of the base. A support plate and a mounting plate are respectively arranged inside the mounting frame. A locking mechanism is arranged inside the mounting frame. Guide mechanisms are arranged on both sides of the locking mechanism. An upper fixing mechanism and a lower fixing mechanism are respectively installed on one side of the mounting frame. The lower fixing mechanism is located below the upper fixing mechanism. The lower fixing mechanism includes a fixed clamping unit, a moving clamping unit, and a guide connection unit. The fixed clamping unit is connected to one side of the mounting frame. The moving clamping unit is arranged on the side of the fixed clamping unit away from the mounting frame. The guide connection units are arranged on both sides of the fixed clamping unit and the moving clamping unit.

[0005] Preferably, the locking mechanism includes a first threaded adjustment column, a threaded block, an intermediate plate, a first threaded adjustment hole, a compression spring, a first handwheel, and a connecting column. The first threaded adjustment column is rotatably connected to the inner wall of the support plate through a bearing. The threaded block is installed on the outer wall of the first threaded adjustment column. The intermediate plate is integrally arranged on one side of the threaded block. The first threaded adjustment hole is penetrated through the surface of the threaded block, and the first threaded adjustment column is threadedly connected to the threaded block through the first threaded adjustment hole. The compression spring is movably sleeved on the outer wall of the first threaded adjustment column, and one end of the compression spring is movably connected to one side of the support plate, and the other end of the compression spring is movably connected to one side of the threaded block. The first handwheel is fixedly sleeved on the outer wall of one end of the first threaded adjustment column. The connecting column is fixedly inserted into the inner wall of the intermediate plate.

[0006] Preferably, the guiding mechanism includes reinforcing side plates, guiding plates, straight guiding holes, and inclined guiding holes. The number of the reinforcing side plates is two, and the two reinforcing side plates are respectively fixedly connected to both sides of the mounting frame. The number of the guiding plates is two, and the two guiding plates are respectively fixedly connected to both sides of the middle plate through connecting columns. The surfaces of the two guiding plates are respectively slidably connected to the surfaces of the two reinforcing side plates. The straight guiding holes are penetratingly opened on both sides of the two reinforcing side plates and both sides of the mounting frame. The outer wall of the middle plate is slidably connected to the inner wall of the straight guiding holes. The inclined guiding holes are penetratingly opened on both sides of the two guiding plates.

[0007] Preferably, the upper fixing mechanism includes a fixed clip, a movable clip, an outer expansion head, a sliding hole, and a second threaded adjustment hole. The fixed clip is fixedly connected to one side of the mounting frame. The movable clip is movably arranged on one side of the fixed clip, and the fixed clip and the movable clip are distributed oppositely. The outer expansion head is integrally arranged on one side of the fixed clip and one side of the movable clip. The sliding hole and the second threaded adjustment hole are both penetratingly opened on both sides of the movable clip.

[0008] Preferably, the upper fixing mechanism further includes a second threaded adjustment column, a sliding column, a connecting piece, and a second handwheel. The second threaded adjustment column is rotatably connected to the inner wall of the fixed clip through a bearing. The sliding column is fixedly inserted into the inner wall of the fixed clip. The connecting piece is fixedly sleeved on the outer wall of one end of the sliding column, and the connecting piece is rotatably connected to the surface of the second threaded adjustment column through a bearing. The second handwheel is fixedly sleeved on the outer wall of one end of the second threaded adjustment column.

[0009] Preferably, the number of the sliding columns and the number of the sliding holes are both two, and the outer wall of the sliding column is slidably connected to the inner wall of the sliding hole. The second threaded adjustment column is located between the two sliding columns, and the outer wall of the second threaded adjustment column is threadedly connected to the inner wall of the second threaded adjustment hole.

[0010] Preferably, the fixed clamping unit includes a fixed clamping block, a first anti-slip pad, and a first pin. The fixed clamping block is fixedly connected to one side of the mounting plate. The first anti-slip pad is fixedly attached to the inner wall of the fixed clamping block. The first pin is fixedly inserted into both sides of the fixed clamping block.

[0011] Preferably, the movable clamping unit includes a movable clamping block, a second anti-slip pad, and a second pin. The movable clamping block is movably arranged on one side of the fixed clamping block. The second anti-slip pad is fixedly attached to the inner wall of the movable clamping block. The second pin is fixedly inserted into both sides of the movable clamping block.

[0012] Preferably, the guide connection unit includes a first connection block, a second connection block, a guide column, a guide piece, a guide hole and a guide slider, the first connection block and the guide piece are fixedly connected to both sides of the movable clamping block by a second pin column, and the guide piece is located on one side of the first connection block, the second connection block is fixedly connected to one side of the fixed clamping block by a first pin column, the guide column is fixedly inserted into the inner wall of the second connection block, the guide hole is opened on both sides of the first connection block, and the first connection block is slidably connected to the guide column through the guide hole, and the guide slider is integrally arranged on one side of the guide piece.

[0013] Preferably, the surface of the guide slider is slidably connected to the inner wall of the inclined guide hole, and the surface of the guide piece is slidably connected to the surface of the guide plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The auxiliary engine oil head test fixture can temporarily and stably fix the oil head sampling tube through the upper fixing mechanism and the lower fixing mechanism through the arranged base, mounting frame, support plate, mounting plate, locking mechanism, guide mechanism, upper fixing mechanism and lower fixing mechanism, so as to facilitate the placement of the oil head sampling tube and avoid damage to the sampling tube caused by improper placement.

[0016] 2. The auxiliary engine oil head test fixture, through the first threaded adjustment column, threaded block, middle plate, first threaded adjustment hole, extrusion spring, first hand wheel, connecting column, reinforced side plate, guide plate, straight guide hole and oblique guide hole, can achieve double locking through the oblique cutting fixation of the oblique guide hole and the threaded positioning between the first threaded adjustment column and the threaded block, thereby improving the fixing force and stability performance of the fixed clamping unit and the dynamic clamping unit during clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the present invention;

[0020] Figure 4 It is a schematic diagram of the locking mechanism structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the explosion structure of the locking mechanism of the present invention;

[0022] Figure 6 It is a schematic diagram of the structure of the fixing mechanism of the present invention;

[0023] Figure 7 This is a schematic diagram of the explosion structure of the upper fixing mechanism of the present invention;

[0024] Figure 8 This is a schematic structural view of the lower fixing mechanism of the present invention;

[0025] Figure 9 This is an exploded structural view of the lower fixing mechanism of the present invention.

[0026] In the figure: 1, base; 2, mounting frame; 3, support plate; 4, mounting plate; 501, first threaded adjustment column; 502, threaded block; 503, intermediate plate; 504, first threaded adjustment hole; 505, compression spring; 506, first handwheel; 507, connecting column; 601, strengthening side plate; 602, guiding plate; 603, straight guiding hole; 604, inclined guiding hole; 701, fixed clamping piece; 702, movable clamping piece; 703, outward expansion head; 704, sliding hole; 705, second threaded adjustment hole; 706, second threaded adjustment column; 707, sliding column; 708, connecting piece; 709, second handwheel; 801, fixed clamping block; 802, first anti-slip pad; 803, first pin; 901, movable clamping block; 902, second anti-slip pad; 903, second pin; 1001, first connecting block; 1002, second connecting block; 1003, guiding column; 1004, guiding piece; 1005, guiding hole; 1006, guiding slider. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-9, Auxiliary fuel injector test tooling, comprising: a base 1 and a mounting frame 2, the mounting frame 2 is integrally connected to the upper surface of the base 1, and a waist-shaped hole is penetrated through the surface of the base 1. A support plate 3 and a mounting plate 4 are respectively arranged inside the mounting frame 2. A locking mechanism is arranged inside the mounting frame 2, guide mechanisms are arranged on both sides of the locking mechanism, an upper fixing mechanism and a lower fixing mechanism are respectively installed on one side of the mounting frame 2, the lower fixing mechanism is located below the upper fixing mechanism, and the lower fixing mechanism includes a fixed clamping unit, a moving clamping unit and a guide connection unit. The fixed clamping unit is connected to one side of the mounting frame 2, the moving clamping unit is arranged on the side of the fixed clamping unit away from the mounting frame 2, and the guide connection unit is arranged on both sides of the fixed clamping unit and the moving clamping unit. By providing the base 1, the mounting frame 2, the support plate 3, the mounting plate 4, the locking mechanism, the guide mechanism, the upper fixing mechanism and the lower fixing mechanism, the fuel injector sampling pipe can be temporarily fixed and stably fixed through the upper fixing mechanism and the lower fixing mechanism, which is convenient for placing the fuel injector sampling pipe and avoids damage to the sampling pipe caused by improper placement.

[0029] Among them; the locking mechanism includes a first threaded adjustment column 501, a threaded block 502, an intermediate plate 503, a first threaded adjustment hole 504, a compression spring 505, a first handwheel 506 and a connecting column 507. The first threaded adjustment column 501 is rotatably connected to the inner wall of the support plate 3 through a bearing, the threaded block 502 is installed on the outer wall of the first threaded adjustment column 501, the intermediate plate 503 is integrally arranged on one side of the threaded block 502, the first threaded adjustment hole 504 is penetrated through the surface of the threaded block 502, and the first threaded adjustment column 501 is threadedly connected to the threaded block 502 through the first threaded adjustment hole 504. The compression spring 505 is movably sleeved on the outer wall of the first threaded adjustment column 501, and one end of the compression spring 505 is movably connected to one side of the support plate 3, and the other end of the compression spring 505 is movably connected to one side of the threaded block 502. The first handwheel 506 is fixedly sleeved on the outer wall of one end of the first threaded adjustment column 501, and the connecting column 507 is fixedly inserted into the inner wall of the intermediate plate 503. By increasing the torque through the thread between the first threaded adjustment column 501 and the threaded block 502, the positioning after clamping is realized, and the fixing stability is ensured.

[0030] Wherein, the guiding mechanism includes reinforcing side plates 601, guiding plates 602, straight guiding holes 603 and inclined guiding holes 604. The number of the reinforcing side plates 601 is two, and the two reinforcing side plates 601 are respectively fixedly connected to both sides of the mounting frame 2. The number of the guiding plates 602 is two, and the two guiding plates 602 are respectively fixedly connected to both sides of the intermediate plate 503 through connecting columns 507. The surfaces of the two guiding plates 602 are respectively slidably connected to the surfaces of the two reinforcing side plates 601. The straight guiding holes 603 are penetratingly opened on both sides of the two reinforcing side plates 601 and both sides of the mounting frame 2. The outer wall of the intermediate plate 503 is slidably connected to the inner wall of the straight guiding holes 603. The inclined guiding holes 604 are penetratingly opened on both sides of the two guiding plates 602. By providing the first threaded adjusting column 501, threaded block 502, intermediate plate 503, first threaded adjusting hole 504, compression spring 505, first handwheel 506, connecting column 507, reinforcing side plates 601, guiding plates 602, straight guiding holes 603 and inclined guiding holes 604, double locking can be realized through the oblique cutting fixation of the inclined guiding holes 604 and the threaded positioning between the first threaded adjusting column 501 and the threaded block 502, improving the fixing strength and stability performance when the fixed clamping unit and the moving clamping unit clamp.

[0031] Wherein, the upper fixing mechanism includes a fixed clamping piece 701, a moving clamping piece 702, an outer expansion head 703, a sliding hole 704 and a second threaded adjusting hole 705. The fixed clamping piece 701 is fixedly connected to one side of the mounting frame 2. The moving clamping piece 702 is movably arranged on one side of the fixed clamping piece 701, and the fixed clamping piece 701 and the moving clamping piece 702 are distributed oppositely. The outer expansion head 703 is integrally arranged on one side of the fixed clamping piece 701 and one side of the moving clamping piece 702. The sliding hole 704 and the second threaded adjusting hole 705 are both penetratingly opened on both sides of the moving clamping piece 702, so as to temporarily fix the workpiece by using the fixed clamping piece 701 and the moving clamping piece 702.

[0032] Wherein, the upper fixing mechanism further includes a second threaded adjusting column 706, a sliding column 707, a connecting piece 708 and a second handwheel 709. The second threaded adjusting column 706 is rotatably connected to the inner wall of the fixed clamping piece 701 through a bearing. The sliding column 707 is fixedly inserted into the inner wall of the fixed clamping piece 701. The connecting piece 708 is fixedly sleeved on the outer wall of one end of the sliding column 707, and the connecting piece 708 is rotatably connected to the surface of the second threaded adjusting column 706 through a bearing. The second handwheel 709 is fixedly sleeved on the outer wall of one end of the second threaded adjusting column 706, so as to guide the moving clamping piece 702 by using the sliding column 707 to avoid the deviation of the moving clamping piece 702, and at the same time realize threaded positioning by using the second threaded adjusting column 706.

[0033] Among them; the number of sliding columns 707 and the number of sliding holes 704 are both two, and the outer wall of the sliding column 707 is slidably connected to the inner wall of the sliding hole 704, the second threaded adjustment column 706 is located between the two sliding columns 707, and the outer wall of the second threaded adjustment column 706 is threadedly connected to the inner wall of the second threaded adjustment hole 705, so as to improve the positioning stability of the fixed clamp 701 and the movable clamp 702.

[0034] Among them, the fixed clamping unit includes a fixed clamping block 801, a first anti-slip pad 802 and a first pin 803. The fixed clamping block 801 is fixedly connected to one side of the mounting plate 4, the first anti-slip pad 802 is fixedly attached to the inner wall of the fixed clamping block 801, and the first pin 803 is fixedly inserted on both sides of the fixed clamping block 801 to cooperate with the dynamic clamping block 901 to form a clamping effect.

[0035] Among them, the dynamic clamping unit includes a dynamic clamping block 901, a second anti-slip pad 902 and a second pin 903. The dynamic clamping block 901 is movably arranged on one side of the fixed clamping block 801, the second anti-slip pad 902 is fixedly attached to the inner wall of the dynamic clamping block 901, and the second pin 903 is fixedly inserted on both sides of the dynamic clamping block 901 to ensure the structural integrity of the lower fixing mechanism when it is unfolded and closed.

[0036] Among them, the guide connection unit includes a first connection block 1001, a second connection block 1002, a guide column 1003, a guide piece 1004, a guide hole 1005 and a guide slider 1006. The first connection block 1001 and the guide piece 1004 are fixedly connected to both sides of the movable clamping block 901 through the second pin 903, and the guide piece 1004 is located on one side of the first connection block 1001. The second connection block 1002 is fixedly connected to one side of the fixed clamping block 801 through the first pin 803. The guide column 1003 is fixedly inserted into the inner wall of the second connection block 1002. The guide hole 1005 runs through both sides of the first connection block 1001, and the first connection block 1001 is slidably connected to the guide column 1003 through the guide hole 1005. The guide slider 1006 is integrally arranged on one side of the guide piece 1004, so as to connect the fixed clamping block 801 and the movable clamping block 901 and realize the stroke conversion between the guide mechanism.

[0037] Among them, the surface of the guide slider 1006 is slidably connected to the inner wall of the inclined guide hole 604, and the surface of the guide piece 1004 is slidably connected to the surface of the guide plate 602, so as to facilitate the sliding of the inclined guide hole 604 to push the guide slider 1006 to move linearly.

[0038] Working principle: when using the upper fixing mechanism, turn the second threaded adjustment column 706 by turning the second handwheel 709, so that the second threaded adjustment column 706 rotates. The second threaded adjustment column 706 pushes the clamping piece 702 away from the fixed clamping piece 701 through the thread, so that the space between the movable clamping piece 702 and the fixed clamping piece 701 increases. Then place the workpiece between the movable clamping piece 702 and the fixed clamping piece 701. Then turn the second threaded adjustment column 706 in the reverse direction by turning the second handwheel 709, so that the second threaded adjustment column 706 rotates in the reverse direction. The second threaded adjustment column 706 pushes the clamping piece 702 close to the fixed clamping piece 701 through the thread, so that the movable clamping piece 702 and the fixed clamping piece 701 fix the workpiece. When using the lower fixing mechanism, turn the first threaded adjustment column 501 by turning the first handwheel 506, and the first threaded adjustment column 501 pushes the threaded block 502 to rise through the thread, thereby driving the middle plate 503 to rise along the straight guide hole 603, thereby driving the guide plate 602 to rise. When the guide plate 602 rises, it pushes the guide slider 1006 to displace outward through the inclined guide hole 604, so that the movable clamping block 901 displaces outward along the guide post 1003, so that the gap between the fixed clamping block 801 and the movable clamping block 901 increases. Place the workpiece between the two. Then turn the first threaded adjustment column 501 in the reverse direction by turning the first handwheel 506. The first threaded adjustment column 501 pushes the threaded block 502 to descend through the thread, thereby driving the middle plate 503 to descend along the straight guide hole 603, thereby driving the guide plate 602 to descend. When the guide plate 602 descends, it pushes the guide slider 1006 to displace inward through the inclined guide hole 604, so that the movable clamping block 901 displaces inward along the guide post 1003, so that the gap between the fixed clamping block 801 and the movable clamping block 901 decreases, and then the workpiece is gradually fixed.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Auxiliary fuel injector test tooling, characterized in that, Including: A base (1) and a mounting bracket (2), the mounting bracket (2) is integrally connected to the upper surface of the base (1), and a kidney-shaped hole is penetrated through the surface of the base (1). A support plate (3) and a mounting plate (4) are respectively arranged inside the mounting bracket (2). A locking mechanism is arranged inside the mounting bracket (2). Guide mechanisms are arranged on both sides of the locking mechanism. An upper fixing mechanism and a lower fixing mechanism are respectively installed on one side of the mounting bracket (2). The lower fixing mechanism is located below the upper fixing mechanism. The lower fixing mechanism includes a fixed clamping unit, a moving clamping unit, and a guide connection unit. The fixed clamping unit is connected to one side of the mounting bracket (2). The moving clamping unit is arranged on the side of the fixed clamping unit away from the mounting bracket (2). The guide connection unit is arranged on both sides of the fixed clamping unit and the moving clamping unit; The locking mechanism includes a first threaded adjustment column (501), a threaded block (502), an intermediate plate (503), a first threaded adjustment hole (504), a compression spring (505), a first handwheel (506), and a connecting column (507). The first threaded adjustment column (501) is rotatably connected to the inner wall of the support plate (3) through a bearing. The threaded block (502) is installed on the outer wall of the first threaded adjustment column (501). The intermediate plate (503) is integrally arranged on one side of the threaded block (502). The first threaded adjustment hole (504) is penetrated through the surface of the threaded block (502), and the first threaded adjustment column (501) is threadedly connected to the threaded block (502) through the first threaded adjustment hole (504). The compression spring (505) is movably sleeved on the outer wall of the first threaded adjustment column (501). One end of the compression spring (505) is movably connected to one side of the support plate (3), and the other end of the compression spring (505) is movably connected to one side of the threaded block (502). The first handwheel (506) is fixedly sleeved on the outer wall of one end of the first threaded adjustment column (501). The connecting column (507) is fixedly inserted into the inner wall of the intermediate plate (503); The guide mechanism includes reinforcing side plates (601), guide plates (602), straight guide holes (603), and inclined guide holes (604). The number of the reinforcing side plates (601) is two, and the two reinforcing side plates (601) are respectively fixedly connected to both sides of the mounting bracket (2). The number of the guide plates (602) is two, and the two guide plates (602) are respectively fixedly connected to both sides of the intermediate plate (503) through the connecting column (507). The surfaces of the two guide plates (602) are respectively slidably connected to the surfaces of the two reinforcing side plates (601). The straight guide holes (603) are penetrated through both sides of the two reinforcing side plates (601) and both sides of the mounting bracket (2). The outer wall of the intermediate plate (503) is slidably connected to the inner wall of the straight guide holes (603). The inclined guide holes (604) are penetrated through both sides of the two guide plates (602); The fixed clamping unit comprises a fixed clamping block (801), a first anti-skid pad (802) and a first pin (803); the fixed clamping block (801) is fixedly connected to one side of the mounting plate (4); the first anti-skid pad (802) is fixedly attached to the inner wall of the fixed clamping block (801); and the first pin (803) is fixedly plugged into two sides of the fixed clamping block (801); The dynamic clamping unit comprises a dynamic clamping block (901), a second anti-skid pad (902) and a second pin (903); the dynamic clamping block (901) is movably arranged on one side of the fixed clamping block (801); the second anti-skid pad (902) is fixedly attached to the inner wall of the dynamic clamping block (901); and the second pin (903) is fixedly inserted on both sides of the dynamic clamping block (901); The guide connection unit comprises a first connection block (1001), a second connection block (1002), a guide column (1003), a guide piece (1004), a guide hole (1005) and a guide slider (1006); the first connection block (1001) and the guide piece (1004) are both fixedly connected to two sides of the movable clamp block (901) via a second pin column (903); the guide piece (1004) is located on one side of the first connection block (1001); and the second connection block (1003) is fixedly connected to two sides of the movable clamp block (901) via a second pin column (903). 1002) is fixedly connected to one side of the fixed clamping block (801) through a first pin (803), the guide post (1003) is fixedly plugged into the inner wall of the second connecting block (1002), the guide hole (1005) is opened through both sides of the first connecting block (1001), and the first connecting block (1001) is slidably connected to the guide post (1003) through the guide hole (1005), and the guide slider (1006) is integrally arranged on one side of the guide piece (1004); The surface of the guide slider (1006) is slidably connected to the inner wall of the inclined guide hole (604), and the surface of the guide piece (1004) is slidably connected to the surface of the guide plate (602).

2. The auxiliary oil nozzle test tooling according to claim 1, wherein The upper fixing mechanism comprises a fixed clamp (701), a movable clamp (702), an external expansion head (703), a sliding hole (704) and a second threaded adjustment hole (705); the fixed clamp (701) is fixedly connected to one side of the mounting frame (2); the movable clamp (702) is movably arranged on one side of the fixed clamp (701); the fixed clamp (701) and the movable clamp (702) are arranged opposite to each other; the external expansion head (703) is integrally arranged on one side of the fixed clamp (701) and one side of the movable clamp (702); the sliding hole (704) and the second threaded adjustment hole (705) are both penetrated and opened on both sides of the movable clamp (702).

3. The auxiliary oil nozzle test tooling according to claim 2, wherein, The upper fixing mechanism further includes a second threaded adjusting column (706), a sliding column (707), a connecting piece (708) and a second handwheel (709). The second threaded adjusting column (706) is rotatably connected to the inner wall of the fixed clamping piece (701) through a bearing. The sliding column (707) is fixedly inserted into the inner wall of the fixed clamping piece (701). The connecting piece (708) is fixedly sleeved on the outer wall of one end of the sliding column (707), and the connecting piece (708) is rotatably connected to the surface of the second threaded adjusting column (706) through a bearing. The second handwheel (709) is fixedly sleeved on the outer wall of one end of the second threaded adjusting column (706).

4. The auxiliary oil nozzle test tooling according to claim 3, characterized in that, The number of the sliding columns (707) and the number of the sliding holes (704) are both two, and the outer wall of the sliding column (707) is slidably connected to the inner wall of the sliding hole (704). The second threaded adjusting column (706) is located between the two sliding columns (707), and the outer wall of the second threaded adjusting column (706) is threadedly connected to the inner wall of the second threaded adjusting hole (705).

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