Self-adaptive size adjusting clamp for engine shell

Abstract

The utility model discloses a self-adaptation size adjusting clamp for an engine shell, and relates to the technical field of engine fixing clamps, the self-adaptation size adjusting clamp comprises a bottom plate and an engine, the upper surface of the bottom plate is provided with an L-shaped baffle, the position of the L-shaped baffle can be adjusted on the upper surface of the bottom plate, the inner wall of the bottom plate is provided with a self-adaptation telescopic mechanism, and the self-adaptation telescopic mechanism is connected with the engine. A transmission mechanism is arranged on the upper surface of the bottom plate, a fixing head is arranged at one end of the self-adaptive telescopic mechanism, and the self-adaptive telescopic mechanism automatically moves the fixing head to be attached to the outer wall of the engine and locks the fixing head through the transmission mechanism. By arranging the bottom plate, the L-shaped baffle, the self-adaptive telescopic mechanism and the fixing head, the transmission mechanism pushes the engine to one side of the L-shaped baffle by self-adapting to the shape of the engine through the self-adaptive telescopic mechanism, and then the transmission mechanism drives the self-adaptive telescopic mechanism to fix the telescopic position of the engine; and therefore, the effects of efficiently self-adapting to the size of the engine and fixing are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine fixing jigs, and particularly relates to an adaptive size adjustment jig for an engine housing. Background Technique

[0002] In the prior art, when overhauling and assembling a vehicle engine, it is generally lifted by a crane and then placed on a jig for fixing. Since the shape of the engine housing is irregular, it is difficult for ordinary clamping methods to adapt to the housing shape. General jig fixing is likely to cause the housing to be fixed insecurely, increasing the risk of the engine detaching from the jig, and thus causing trouble in clamping during engine overhaul and maintenance. Therefore, there is an urgent need for a jig that can adapt to the shape of the engine housing. For this reason, we propose an adaptive size adjustment jig for an engine housing to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide an adaptive size adjustment jig for an engine housing to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, an adaptive size adjustment jig for an engine housing is provided, including a bottom plate and an engine. An L-shaped baffle is arranged on the upper surface of the bottom plate. The L-shaped baffle can adjust its position on the upper surface of the bottom plate. An adaptive telescopic mechanism is arranged on the inner wall of the bottom plate. A transmission mechanism is arranged on the upper surface of the bottom plate. One end of the adaptive telescopic mechanism is provided with a fixed head, and the adaptive telescopic mechanism automatically moves the fixed head to fit the outer wall of the engine and locks it through the transmission mechanism.

[0005] According to the described adaptive size adjustment jig for an engine housing, the L-shaped baffle includes a baffle main body, threaded holes, positioning bolts, and a placement table. A slide rail is arranged on the inner wall of the bottom plate. A slide rail groove is opened on the inner wall of the baffle main body. The baffle main body is slidably connected to the outer wall of the bottom plate. A plurality of threaded holes are opened on the outer wall of the baffle main body. The positioning bolts penetrate through the baffle main body and are threadedly connected to the inner wall of the bottom plate. The upper surface of the placement table is higher than the upper end of the positioning bolts.

[0006] According to the described adaptive size adjustment jig for an engine housing, the adaptive telescopic mechanism includes a plug, a guide sleeve, a guide post, a chuck, a spiral tooth groove, a slider, a fixed ring, a guide sleeve, a fixed vertical plate, and a spring. The guide sleeve is fixedly connected to the inner wall of the bottom plate. The guide post is slidably connected to the inner wall of the guide sleeve. The plug is fixedly connected to one end of the guide sleeve. The chuck is rotatably connected to one end of the guide sleeve. The fixed ring is rotatably connected to the outer wall of the chuck.

[0007] According to the self - adaptive size - adjusting fixture for an engine housing, the guide sleeve is fixedly connected to the fixed ring, the guide sleeve is fixedly connected to the fixed vertical plate, the fixed vertical plate is fixedly connected to the inner wall of the bottom plate, the guide post is fixedly connected to the fixed head, and the fixed head is movably connected to the outer wall of the engine.

[0008] According to the self - adaptive size - adjusting fixture for an engine housing, the spiral tooth groove is formed on the outer wall of the chuck, the slider is slidably connected to the inner wall of the guide sleeve, the slider meshes with the outer wall of the spiral tooth groove, and the slider is movably connected to the outer wall of the plug.

[0009] According to the self - adaptive size - adjusting fixture for an engine housing, the transmission mechanism includes a motor, a bearing seat, a first transmission chain, and a second transmission chain. The motor is fixedly connected to the inner wall of the bottom plate, the bearing seat is fixedly connected to the inner wall of the bottom plate, and a sprocket is rotatably connected between the bearing seats.

[0010] According to the self - adaptive size - adjusting fixture for an engine housing, a sprocket is fixedly connected to the outer wall of one of the second transmission chains, the first transmission chain is drivingly connected to the outer wall of the sprocket, an annular sprocket is provided around the outer wall of the chuck, and the two annular sprockets are drivingly connected by the second transmission chain.

[0011] The beneficial effects of the present utility model: By providing a bottom plate, an L - shaped baffle, a self - adaptive telescopic mechanism, a fixed head, and a transmission mechanism, the engine is pushed to one side of the L - shaped baffle by the self - adaptive telescopic mechanism adapting to the shape of the engine, and then the transmission mechanism drives the self - adaptive telescopic mechanism to fix its telescopic position, thereby achieving the effect of efficiently adapting to and fixing the size of the engine.

[0012] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0013] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0014] Figure 1 is a perspective view of a self - adaptive size - adjusting fixture for an engine housing of the present utility model;

[0015] Figure 2 is a partial schematic view of one side of the L - shaped baffle in a self - adaptive size - adjusting fixture for an engine housing of the present utility model;

[0016] Figure 3 is a partial schematic view of a self - adaptive size - adjusting fixture for an engine housing of the present utility model;

[0017] Figure 4 This is a partial schematic diagram of one side of the transmission mechanism in an adaptive size adjustment fixture for an engine housing of the present utility model;

[0018] Figure 5 This is a partial cross-sectional view of an adaptive size adjustment fixture for an engine housing of the present utility model;

[0019] Figure 6 This is a partial exploded view of an adaptive size adjustment fixture for an engine housing of the present utility model.

[0020] Legend description:

[0021] 1. Base plate; 2. L-shaped baffle; 21. Baffle main body; 22. Threaded hole; 23. Positioning bolt; 24. Placing table; 3. Engine; 4. Adaptive telescopic mechanism; 41. Plug; 42. Guide sleeve; 43. Guide post; 44. Chuck; 45. Spiral tooth groove; 46. Slide block; 47. Fixed ring; 48. Guide sleeve; 49. Fixed vertical plate; 410. Spring; 5. Fixed head; 6. Transmission mechanism; 61. Motor; 62. Bearing seat; 63. First transmission chain; 64. Second transmission chain; 65. Ring-shaped sprocket. Specific implementation manner

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0023] Embodiment:

[0024] Refer to Figures 1 to 6, the utility model embodiment of an adaptive size adjustment fixture for an engine housing, which includes a base plate 1 and an engine 3. The upper surface of the base plate 1 is provided with an L-shaped baffle 2, and the L-shaped baffle 2 can adjust its position on the upper surface of the base plate 1. The inner wall of the base plate 1 is provided with an adaptive telescopic mechanism 4, and the upper surface of the base plate 1 is provided with a transmission mechanism 6. One end of the adaptive telescopic mechanism 4 is provided with a fixed head 5. The adaptive telescopic mechanism 4 automatically moves the fixed head 5 to fit the outer wall of the engine 3 and is locked by the transmission mechanism 6. The L-shaped baffle 2 includes a baffle body 21, a threaded hole 22, a positioning bolt 23, and a placement table 24. The inner wall of the base plate 1 is provided with Slide rail, the inner wall of the baffle body 21 is provided with a slide rail groove, the baffle body 21 is slidably connected to the outer wall of the base plate 1, the outer wall of the baffle body 21 is provided with a plurality of threaded holes 22, the positioning bolt 23 passes through the baffle body 21 and is threadedly connected to the inner wall of the base plate 1, the upper surface of the placement table 24 is higher than the upper end of the positioning bolt 23, the adaptive telescopic mechanism 4 includes a plug 41, a guide sleeve 42, a guide column 43, a chuck 44, a spiral tooth groove 45, a slider 46, a fixing ring 47, a guide sleeve 48, a fixed vertical plate 49, and a spring 410. The guide sleeve 42 is fixedly connected to the inner wall of the base plate 1, and the guide column 43 is slidably connected to the inner wall of the guide sleeve 42. The plug 41 is fixedly connected to one end of the guide sleeve 42, the chuck 44 is rotatably connected to one end of the guide sleeve 42, the outer wall of the chuck 44 is rotatably connected to a fixed ring 47, the guide sleeve 48 is fixedly connected to the fixed ring 47, the guide sleeve 48 is fixedly connected to the fixed vertical plate 49, the fixed vertical plate 49 is fixedly connected to the inner wall of the base plate 1, the guide column 43 is fixedly connected to the fixed head 5, the fixed head 5 is movably connected to the outer wall of the engine 3, the helical tooth groove 45 is opened on the outer wall of the chuck 44, the slider 46 is slidably connected to the inner wall of the guide sleeve 48, the slider 46 is engaged with the outer wall of the helical tooth groove 45, and the slider 46 is movably connected to the outer wall of the plug 41 Wall, the transmission mechanism 6 includes a motor 61, a bearing seat 62, a first transmission chain 63, and a second transmission chain 64. The motor 61 is fixedly connected to the inner wall of the base plate 1, and the bearing seat 62 is fixedly connected to the inner wall of the base plate 1. A sprocket is rotatably connected between the bearing seats 62, and the outer wall of one of the second transmission chains 64 is fixedly connected to a sprocket. The first transmission chain 63 is transmission-connected to the outer wall of the sprocket. The outer wall ring of the chuck 44 is provided with an annular sprocket 65, and the two annular sprockets 65 are transmission-connected by the second transmission chain 64. The surface of the placement table 24 is provided with a carbide coating to improve the wear resistance of the surface of the placement table 24.

[0025] Working principle: When it is necessary to fix the engine, first adjust the L-shaped baffle 2 to a suitable position according to the size of the engine 3. By removing the positioning bolt 23, then slide the baffle body 21. Then align four holes of the baffle body 21 with four holes on the inner wall of the bottom plate 1. Subsequently, fix the baffle body 21 and the bottom plate 1 with the positioning bolt 23. After adjusting the position of the baffle body 21, place the engine 3 on the upper surface of the placement table 24. Then, under the action of the guide post 43, the fixing head 5 moves towards one side of the engine 3. Due to the force exerted by the spring 410 on the plug 41, when the fixing head 5 moves to a suitable position, at this time, drive the sprocket to rotate through the motor 61, and then drive the first transmission chain 63 to drive the annular sprocket 65 to rotate, and then drive the two spiral tooth grooves 45 to rotate synchronously. Further, the slider 46 slides on the inner wall of the guide sleeve 48 under the action of the spiral tooth groove 45. Then, the slider 46 fixes the guide post 43 and the guide sleeve 42, thereby fixing the position of the engine 3. After clamping the engine 3, the hydraulic rod 1 can be lifted to adjust the position of 3, realizing rapid maintenance.

[0026] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can also be made without departing from the gist of the present invention.

Claims

1. An adaptive size adjustment fixture for an engine housing, comprising a bottom plate (1) and an engine (3), characterized in that, On the upper surface of the bottom plate (1), an L-shaped baffle (2) is provided. The L-shaped baffle (2) can be adjusted in position on the upper surface of the bottom plate (1). An adaptive telescopic mechanism (4) is provided on the inner wall of the bottom plate (1). A transmission mechanism (6) is provided on the upper surface of the bottom plate (1). One end of the adaptive telescopic mechanism (4) is provided with a fixed head (5). The adaptive telescopic mechanism (4) automatically moves the fixed head (5) to fit against the outer wall of the engine (3) and locks it through the transmission mechanism (6).

2. The self-adaptive size adjustment fixture for an engine housing according to claim 1, wherein, The L-shaped baffle (2) includes a baffle main body (21), threaded holes (22), positioning bolts (23), and a placement table (24). A slide rail is provided on the inner wall of the bottom plate (1). A slide rail groove is formed on the inner wall of the baffle main body (21). The baffle main body (21) is slidably connected to the outer wall of the bottom plate (1). A plurality of threaded holes (22) are formed on the outer wall of the baffle main body (21). The positioning bolts (23) penetrate through the baffle main body (21) and are threadedly connected to the inner wall of the bottom plate (1). The upper surface of the placement table (24) is higher than the upper end of the positioning bolts (23).

3. The self - adaptive size - adjusting fixture for an engine housing according to claim 2, wherein The adaptive telescopic mechanism (4) includes a plug (41), a guide sleeve (42), a guide post (43), a chuck (44), a spiral tooth groove (45), a slider (46), a fixing ring (47), a guide sleeve (48), a fixed vertical plate (49), and a spring (410). The guide sleeve (42) is fixedly connected to the inner wall of the bottom plate (1). The guide post (43) is slidably connected to the inner wall of the guide sleeve (42). The plug (41) is fixedly connected to one end of the guide sleeve (42). The chuck (44) is rotatably connected to one end of the guide sleeve (42). The outer wall of the chuck (44) is rotatably connected to a fixing ring (47).

4. The self-adaptive size-adjusting fixture for an engine housing according to claim 3, wherein The guide sleeve (48) is fixedly connected to the fixing ring (47). The guide sleeve (48) is fixedly connected to the fixed vertical plate (49). The fixed vertical plate (49) is fixedly connected to the inner wall of the bottom plate (1). The guide post (43) is fixedly connected to the fixed head (5). The fixed head (5) is movably connected to the outer wall of the engine (3).

5. The self - adaptive size - adjusting fixture for an engine housing according to claim 3, wherein, The spiral tooth groove (45) is formed on the outer wall of the chuck (44). The slider (46) is slidably connected to the inner wall of the guide sleeve (48). The slider (46) meshes with the outer wall of the spiral tooth groove (45). The slider (46) is movably connected to the outer wall of the plug (41).

6. The self-adaptive size adjustment fixture for an engine housing according to claim 3, characterized in that, The transmission mechanism (6) includes a motor (61), bearing seats (62), a first transmission chain (63), and a second transmission chain (64). The motor (61) is fixedly connected to the inner wall of the bottom plate (1). The bearing seats (62) are fixedly connected to the inner wall of the bottom plate (1). A sprocket is rotatably connected between the bearing seats (62).

7. An adaptive size adjustment fixture for an engine housing according to claim 6, characterized in that, A sprocket is fixedly connected to the outer wall of one of the second transmission chains (64). The first transmission chain (63) is drivingly connected to the outer wall of the sprocket. An annular sprocket (65) is provided around the outer wall of the chuck (44). The two annular sprockets (65) are drivingly connected by the second transmission chain (64).

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