Compressing device for camshaft cover of engine

Abstract

The utility model discloses an engine camshaft cover pressing device which comprises a supporting frame, the two ends of the two sides of the top of the supporting frame are respectively and fixedly connected with a set of supporting columns, the top ends of the supporting columns are fixedly connected with a top plate, and the two ends of the bottom end in the supporting frame are respectively and fixedly connected with a set of supporting plates. According to the engine camshaft cover pressing device, the supporting columns are arranged, before installation, the camshaft cover is placed on an engine shell, then the hydraulic cylinder is started to drive the connecting plate to descend, the connecting plate drives the pressing plate at the bottom to descend so that the pressing plate can be pressed on the top of the camshaft cover, and the bottom of the pressing plate is provided with a groove matched with the top structure of the camshaft cover; and the limiting plates on the two sides of the connecting plate are attached to the supporting columns through the limiting sleeves, so that the stability of the pressing plate can be improved, the situation that the pressing plate shakes to affect the camshaft cover is prevented, and the problem that the stability of the camshaft cover cannot be effectively guaranteed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine assembly, in particular to a camshaft cover pressing device for an engine. Background Art

[0002] The camshaft is a very important component in the engine. Its function is to drive the piston to move in the cylinder body, thereby supporting the operation of the engine. An empty slot is set inside the engine for installing the camshaft. After the camshaft is installed, the camshaft cover is installed on the top. The slot at the bottom of the camshaft cover and the slot on the top of the engine housing form a complete chamber for the camshaft to rotate stably inside. The camshaft cover needs to be installed with strict accuracy to prevent errors beyond the requirements to ensure the stable operation of the engine. Therefore, the camshaft cover needs to be pressed and positioned during installation to prevent the camshaft cover from shifting during installation.

[0003] However, the clamping device currently used for installing the camshaft cover still has some defects in use, and cannot effectively ensure the stability of the camshaft cover during the installation process, resulting in large deviations after installation, which affects the stable operation of the subsequent engine;

[0004] A novel engine camshaft cover clamping device is now proposed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an engine camshaft cover pressing device to solve the problem that the camshaft cover stability cannot be effectively guaranteed in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engine camshaft cover clamping device, comprising a support frame, a group of pillars are fixedly connected at both ends of the top of the support frame, a top plate is fixedly connected at the top of the pillar, a group of support plates are fixedly connected at both ends of the bottom end of the support frame, and a clamping mechanism for improving the stability of the camshaft cover is provided at the top of the support frame;

[0007] The clamping mechanism includes a clamping plate and a connecting plate. A clamping plate is provided at the top of the support frame. The top of the clamping plate is fixedly connected to the connecting plate. A group of limit plates are fixedly connected on both sides of the connecting plate. A group of limit sleeves are fixedly connected at both ends of the bottom of the limit plate. A hydraulic cylinder is fixedly connected to the top of the top plate. The output end of the hydraulic cylinder passes through the top plate and is fixedly connected to the connecting plate.

[0008] Preferably, the limiting sleeve is slidably connected to the support, and the center line of the connecting plate and the center line of the pressing plate are on the same vertical plane.

[0009] Preferably, a bidirectional screw rod is movably connected to the bottom end of the support frame, a group of positioning clamps are respectively provided on both sides of the support frame, a first special-shaped groove is provided on one side of the positioning clamp, a threaded hole is provided on the bottom end of one side of the positioning clamp, grooves are provided on the bottom of both ends of the positioning clamp, a servo motor is fixedly connected to the bottom end of one side of the support frame, and the output end of the servo motor extends to the interior of the support frame and is fixedly connected to the bidirectional screw rod.

[0010] Preferably, the bidirectional screw is threadedly connected to the threaded hole, and the groove is slidably connected to the support plate.

[0011] Preferably, the top of the support plate is fixedly connected to a fixed plate, the top of the fixed plate is fixedly connected to a limiting frame, the top of the fixed plate is movably connected to a movable plate, a second special-shaped groove is provided at the top of the movable plate, one end of the limiting frame is fixedly connected to a hydraulic rod, and the output end of the hydraulic rod passes through one end of the limiting frame and is fixedly connected to the movable plate.

[0012] Preferably, the center line of the limiting frame and the center line of the fixed plate are on the same vertical plane, and the movable plate is movably connected to the limiting frame.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the engine camshaft cover pressing device can not only ensure the stability of the camshaft cover, but also can quickly position the engine housing, and can also conveniently load and unload the engine housing;

[0014] (1) By providing a support, a hydraulic cylinder, a clamping plate, a connecting plate, a limiting plate and a limiting sleeve, before installing the camshaft cover, the camshaft cover is placed on the engine housing, and then the hydraulic cylinder is started to drive the connecting plate to descend, and the connecting plate drives the clamping plate at the bottom to descend so that it is pressed on the top of the camshaft cover, and the bottom of the clamping plate has a groove matching the top structure of the camshaft cover, so that it can fit tightly with the camshaft cover to prevent the camshaft cover from shifting. The limiting plates on both sides of the connecting plate fit with the support through the limiting sleeve to improve the stability of the clamping plate, prevent the clamping plate from shaking and affecting the camshaft cover, and achieve the goal of improving the stability of the camshaft cover during installation;

[0015] (2) By providing a positioning clamping plate, a servo motor, a first special-shaped groove, a groove, a bidirectional screw and a threaded hole, before installation, the engine housing is moved to the inside of the support frame, and then the servo motor is started to drive the bidirectional screw to rotate. While the bidirectional screw rotates, the two sets of positioning clamping plates are driven to move toward the middle at the same time through the threaded hole. The support plates at both ends can limit the positioning clamping plates through the grooves to prevent the positioning clamping plates from shaking, so that the first special-shaped groove is attached to the outside of the engine housing, and the internal structure of the first special-shaped groove matches the external structure of the engine housing, so that the first special-shaped groove can be tightly attached to the engine and the engine housing is clamped, thereby realizing that the engine housing can be quickly positioned;

[0016] (3) By providing a fixed plate, a limit frame, a movable plate, a second special-shaped groove and a hydraulic rod, before installation, the hydraulic rod is started to move the movable plate to one end inside the limit frame, and then the engine housing is moved to the top of the movable plate. The internal structure of the second special-shaped groove matches the external structure of the engine housing. Then, the hydraulic rod is started to push the movable plate to drive the engine housing to move to one end, and the engine housing is moved to the inside of the support frame, so that the engine housing can be easily loaded and unloaded to quickly install the camshaft cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view of the movable plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the limit plate structure of the utility model when viewed from above;

[0020] Figure 4 It is a side view structural schematic diagram of the positioning clamp of the utility model.

[0021] In the figure: 1. support frame; 2. pillar; 3. top plate; 4. hydraulic cylinder; 5. clamping plate; 6. connecting plate; 7. limit plate; 8. limit sleeve; 9. positioning clamp; 10. servo motor; 11. support plate; 12. first special-shaped groove; 13. fixed plate; 14. limit frame; 15. groove; 16. bidirectional screw rod; 17. movable plate; 18. second special-shaped groove; 19. hydraulic rod; 20. threaded hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1: Please refer to Figure 1-4 , an engine camshaft cover clamping device, comprising a support frame 1, a group of pillars 2 are fixedly connected to the two ends of the top of the support frame 1, a top plate 3 is fixedly connected to the top of the pillar 2, a group of support plates 11 are fixedly connected to the two ends of the bottom end of the support frame 1, and a clamping mechanism for improving the stability of the camshaft cover is provided at the top of the support frame 1;

[0024] The clamping mechanism includes a clamping plate 5 and a connecting plate 6. The top of the support frame 1 is provided with a clamping plate 5, the top of the clamping plate 5 is fixedly connected to the connecting plate 6, a group of limit plates 7 are fixedly connected to both sides of the connecting plate 6, and a group of limit sleeves 8 are fixedly connected to the two ends of the bottom of the limit plate 7, and the top of the top plate 3 is fixedly connected to the hydraulic cylinder 4, and the output end of the hydraulic cylinder 4 passes through the top plate 3 and is fixedly connected to the connecting plate 6;

[0025] The limiting sleeve 8 is slidably connected to the support 2, and the center line of the connecting plate 6 and the center line of the pressing plate 5 are in the same vertical plane;

[0026] Specifically, Figure 1 and Figure 3 As shown, before installing the camshaft cover, the camshaft cover is placed on the engine housing, and then the hydraulic cylinder 4 is started to drive the connecting plate 6 to descend. The connecting plate 6 drives the clamping plate 5 at the bottom to descend so that it is pressed on the top of the camshaft cover, and the bottom of the clamping plate 5 has a groove that matches the top structure of the camshaft cover, so that it can fit tightly with the camshaft cover to prevent the camshaft cover from shifting. The limiting plates 7 on both sides of the connecting plate 6 fit with the pillar 2 through the limiting sleeve 8 to improve the stability of the clamping plate 5 and prevent the clamping plate 5 from shaking and affecting the camshaft cover, thereby improving the stability of the camshaft cover during installation.

[0027] Embodiment 2: A bidirectional screw rod 16 is movably connected to the bottom end of the support frame 1, and a group of positioning clamps 9 are respectively provided on both sides of the support frame 1. A first special-shaped groove 12 is provided on one side of the positioning clamp 9, and a threaded hole 20 is provided on the bottom end of one side of the positioning clamp 9. Grooves 15 are provided at the bottom of both ends of the positioning clamp 9. A servo motor 10 is fixedly connected to the bottom end of one side of the support frame 1, and the output end of the servo motor 10 extends to the inside of the support frame 1 and is fixedly connected to the bidirectional screw rod 16;

[0028] The bidirectional screw rod 16 is threadedly connected to the threaded hole 20, and the groove 15 is slidably connected to the support plate 11;

[0029] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, before installation, the engine casing is moved to the inside of the support frame 1, and then the servo motor 10 is started to drive the bidirectional screw 16 to rotate. While the bidirectional screw 16 rotates, it drives the two sets of positioning clamps 9 to move toward the middle at the same time through the threaded hole 20. The support plates 11 at both ends can limit the positioning clamps 9 through the grooves 15 to prevent the positioning clamps 9 from shaking, so that the first special-shaped groove 12 is attached to the outside of the engine casing, and the internal structure of the first special-shaped groove 12 matches the external structure of the engine casing, so that the first special-shaped groove 12 can fit tightly with the engine and clamp the engine casing, thereby realizing rapid positioning of the engine casing.

[0030] Embodiment 3: The top of the support plate 11 is fixedly connected to a fixed plate 13, the top of the fixed plate 13 is fixedly connected to a limit frame 14, the top of the fixed plate 13 is movably connected to a movable plate 17, the top of the movable plate 17 is provided with a second special-shaped groove 18, one end of the limit frame 14 is fixedly connected to a hydraulic rod 19, the output end of the hydraulic rod 19 passes through one end of the limit frame 14 and is fixedly connected to the movable plate 17;

[0031] The center line of the limiting frame 14 and the center line of the fixed plate 13 are on the same vertical plane, and the movable plate 17 is movably connected to the limiting frame 14;

[0032] Specifically, Figure 1 and Figure 2 As shown, before installation, the hydraulic rod 19 is started to move the movable plate 17 to one end inside the limit frame 14, and then the engine housing is moved to the top of the movable plate 17. The internal structure of the second special-shaped groove 18 matches the external structure of the engine housing. Then, the hydraulic rod 19 is started to push the movable plate 17 to drive the engine housing to move to one end, and the engine housing is moved to the inside of the support frame 1, so that the engine housing can be easily loaded and unloaded to quickly install the camshaft cover.

[0033] Working principle: When the utility model is in use, before installation, the hydraulic rod 19 is started to move the movable plate 17 to one end inside the limit frame 14, and then the engine casing is moved to the top of the movable plate 17. The internal structure of the second special-shaped groove 18 matches the external structure of the engine casing. Then the hydraulic rod 19 is started to push the movable plate 17 to drive the engine casing to move to one end, and move the engine casing to the inside of the support frame 1. Then the servo motor 10 is started to drive the bidirectional screw rod 16 to rotate. While the bidirectional screw rod 16 rotates, it drives the two sets of positioning clamps 9 to move toward the middle at the same time through the threaded hole 20. The support plates 11 at both ends can limit the positioning clamps 9 through the grooves 15 to prevent the positioning clamps 9 from shaking, so that the first A special-shaped groove 12 is fitted on the outside of the engine housing, and the internal structure of the first special-shaped groove 12 matches the external structure of the engine housing, so that the first special-shaped groove 12 can fit tightly with the engine and clamp the engine housing. Finally, the camshaft cover is placed on the engine housing, and then the hydraulic cylinder 4 is started to drive the connecting plate 6 to descend. The connecting plate 6 drives the bottom clamping plate 5 to descend so that it is pressed on the top of the camshaft cover, and the bottom of the clamping plate 5 has a groove that matches the top structure of the camshaft cover, so that it can fit tightly with the camshaft cover to prevent the camshaft cover from shifting. The limit plates 7 on both sides of the connecting plate 6 fit with the pillar 2 through the limit sleeve 8 to improve the stability of the clamping plate 5 and prevent the clamping plate 5 from shaking and affecting the camshaft cover.

Claims

1. An engine camshaft cover pressing device, comprising a support frame (1), characterized in that: A group of pillars (2) are fixedly connected at both ends of the top of the support frame (1), a top plate (3) is fixedly connected at the top of the pillars (2), a group of support plates (11) are fixedly connected at both ends of the bottom end of the support frame (1), and a clamping mechanism for improving the stability of the camshaft cover is provided at the top of the support frame (1); The clamping mechanism comprises a clamping plate (5) and a connecting plate (6); a clamping plate (5) is arranged at the top end of the support frame (1); the top end of the clamping plate (5) is fixedly connected to the connecting plate (6); a group of limit plates (7) are fixedly connected to both sides of the connecting plate (6); the two ends of the bottom of the limit plate (7) are fixedly connected to a group of limit sleeves (8); the top end of the top plate (3) is fixedly connected to a hydraulic cylinder (4); the output end of the hydraulic cylinder (4) passes through the top plate (3) and is fixedly connected to the connecting plate (6).

2. The engine camshaft cover pressing device according to claim 1, characterized in that: The limiting sleeve (8) is slidably connected to the support (2), and the center line of the connecting plate (6) and the center line of the pressing plate (5) are on the same vertical plane.

3. The engine camshaft cover pressing device according to claim 1, characterized in that: The bottom end of the support frame (1) is movably connected to a bidirectional screw rod (16), and a group of positioning clamps (9) are respectively arranged on both sides of the support frame (1). A first special-shaped groove (12) is provided on one side of the positioning clamp (9), and a threaded hole (20) is provided on the bottom end of one side of the positioning clamp (9). Grooves (15) are provided at the bottom of both ends of the positioning clamp (9). A servo motor (10) is fixedly connected to the bottom end of one side of the support frame (1), and the output end of the servo motor (10) extends to the inside of the support frame (1) and is fixedly connected to the bidirectional screw rod (16).

4. The engine camshaft cover pressing device according to claim 3, characterized in that: The bidirectional screw rod (16) is threadedly connected to the threaded hole (20), and the groove (15) is slidably connected to the support plate (11).

5. The engine camshaft cover pressing device according to claim 1, characterized in that: The top end of the support plate (11) is fixedly connected to a fixed plate (13), the top end of the fixed plate (13) is fixedly connected to a limit frame (14), the top end of the fixed plate (13) is movably connected to a movable plate (17), the top end of the movable plate (17) is provided with a second special-shaped groove (18), one end of the limit frame (14) is fixedly connected to a hydraulic rod (19), and the output end of the hydraulic rod (19) passes through one end of the limit frame (14) and is fixedly connected to the movable plate (17).

6. The engine camshaft cover pressing device according to claim 5, characterized in that: The center line of the limiting frame (14) and the center line of the fixed plate (13) are on the same vertical plane, and the movable plate (17) is movably connected to the limiting frame (14).

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