Cylinder cover lifting appliance

Abstract

The utility model discloses a cylinder cover lifting appliance, which belongs to the technical assembly field of engines and comprises a lifting appliance body, and the top end of the lifting appliance body is connected with a self-weight clamping component. The self-weight clamping assembly comprises a limiting assembly, a transmission assembly, duck tongue assemblies and a lifting assembly, one end of the limiting assembly is fixedly connected to one end of the lifting assembly, the transmission assembly is fixedly connected to one end of the lifting assembly, the duck tongue assemblies are fixedly connected to the two sides of the top end of the lifting tool body respectively, and the duck tongue assemblies are located below the transmission assembly; the lifting assembly comprises a lifting piece, a linkage block, a sliding plate, a lifting bottom plate, a follower, a follower wheel, a hinge pin and a lifting rod, and the bottom end of the lifting bottom plate is fixedly connected to the top end of the lifting tool body. By means of the mode, the cylinder cover is clamped by the duck tongue assembly, meanwhile, clamping force is applied to the cylinder body through the gravity of the duck tongue assembly, the working efficiency is improved, the service life is prolonged, and the safety and reliability of the cylinder cover placed on the assembly line cylinder body are guaranteed to a great extent.

Description

Technical Field

[0001] The utility model relates to the technical assembly field of engines, in particular to a cylinder head hanger. Background Art

[0002] The cylinder head hanger is used to control and locate the placement of the cylinder head. The engine cylinder head is mainly used to close the top of the cylinder body to form a combustion space. It also supports the rocker shaft, camshaft and intake and exhaust pipes. Its main function is to suck air into the cylinder, and the spark plug ignites the combustible mixture, driving the piston to work, and the exhaust gas is discharged from the exhaust pipe.

[0003] When the cylinder head of the engine is assembled to the engine on the line pallet, some kind of lifting tool is required. Due to the irregular position of the holes and grooves on the engine cylinder head, there is no determined lifting tool yet. The existing lifting equipment is only used to hang it on the surrounding holes and grooves. However, in actual use, there will be many unstable lifting problems, the inclination angle of the cylinder head is too large, and there is often a gap between the cylinder head and the cylinder body of the engine. Manual support and fixation are required, which will increase the tact time and reduce the efficiency of installing the engine cylinder head.

[0004] It can be concluded that it is necessary to design a cylinder head lifting tool on the engine assembly line to solve the above problems, so that when the cylinder head is lifted, the cylinder head can be stably lifted and the cylinder head can be quickly and efficiently connected with the engine cylinder body on the line pallet. The operation is simple, safe and reliable, thereby improving the assembly efficiency of the engine cylinder head. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a cylinder head hanger.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a cylinder head hanger, comprising a hanger body, the top end of which is connected to a deadweight clamping assembly;

[0007] The deadweight clamping assembly includes a limit assembly, a transmission assembly, a duck tongue assembly and a lifting assembly, one end of the limit assembly is fixedly connected to one end of the lifting assembly, one end of the lifting assembly is fixedly connected to the transmission assembly, the duck tongue assembly is respectively fixedly connected to both sides of the top of the sling body, and the duck tongue assembly is located below the transmission assembly;

[0008] The lifting assembly includes a lifting member, a linkage block, a sliding plate, a lifting base plate, a follower, a follower wheel, a hinge pin and a lifting rod. The bottom end of the lifting base plate is fixedly connected to the top of the sling body, the top of the lifting base plate is fixedly connected to the lifting member, the lifting rod is slidably connected inside the lifting member, the bottom end of the lifting rod is fixedly connected to the follower, the bottom end of the follower is rotatably connected to two follower wheels through two hinge pins, a sliding plate is arranged above the follower, the center of the sliding plate is slidably connected to the outer wall of the lifting rod, and a linkage block is arranged above the sliding plate;

[0009] The top end of the lifting rod is fixedly connected with a connecting piece;

[0010] A pull ring is fixedly connected to the top of the connecting piece;

[0011] Two hooks with different heights are fixedly connected on both sides of the sling body.

[0012] Furthermore, a connecting piece is slidably connected to the top of the lifting rod, a pull ring is fixedly connected to the top of the connecting piece, the duckbill assembly and the transmission assembly are located on one side of the lifting assembly, and the limit assembly is located on the other side of the lifting assembly.

[0013] Furthermore, the transmission assembly includes a first connecting rod, a second connecting rod, a first swing arm, a bushing and a second swing arm, the bushing is fixedly connected to the connecting block via a shaft, one side of the bushing is rotationally connected to the first connecting rod, the other side of the bushing is rotationally connected to the second connecting rod, the second connecting rod and the second swing arm are rotationally connected via a shaft, and the first connecting rod and the first swing arm are rotationally connected via a shaft.

[0014] Furthermore, the limit assembly includes a limit column, a rotating plate, a track plate, a fixed plate, a bolt, a first connecting member, a locking hook, a second connecting member and a cover plate, one end of the sliding plate is fixedly connected to the fixed plate, one side of the fixed plate is rotatably connected to the rotating plate by a bolt, the other side of the fixed plate is fixedly connected to the first connecting member, one inner end of the rotating plate is fixedly connected to the second connecting member, the first connecting member and the second connecting member are connected by a locking hook, and the bottom end of the fixed plate is fixedly connected to the track plate.

[0015] Furthermore, two limiting columns are fixedly connected to the diagonals of the track plate, and the track plate is fixedly connected to one end of the cover plate through the two limiting columns.

[0016] Furthermore, the first swing arm and the second swing arm swing in an staggered manner, and the first connecting rod and the second connecting rod swing in an staggered manner.

[0017] Furthermore, the duck tongue assembly includes a second duck tongue piece, an optical axis, a knurled sheet, a first duck tongue piece and a connecting block. The two optical axes are rotatably connected to the knurled sheets at one opposite end, the top end of the optical axis on one side is fixedly connected to the first duck tongue piece, and the top end of the optical axis on the other side is fixedly connected to the second duck tongue piece, and the bottom end of the connecting block is fixedly connected to both sides of the top end of the sling body.

[0018] Furthermore, the outer walls above the two optical axes are slidably connected to the middle of the corresponding connecting blocks, and the first duckbill member and the second duckbill member are respectively located above the corresponding connecting blocks.

[0019] Furthermore, a lower end of the second swing arm is fixedly connected to one side of the first duckbill member, and a lower end of the first swing arm is fixedly connected to one side of the second duckbill member.

[0020] Furthermore, a handle for hand-held pushing is fixedly connected to one side of the top end of the sling body.

[0021] The utility model has the following technical effects:

[0022] 1. During operation of the utility model, the cylinder head is clamped by the duck tongue assembly, and at the same time, a clamping force is applied to the cylinder body by its own gravity, which improves the working efficiency and service life, and to a great extent ensures the safety and reliability of the cylinder head when placed on the cylinder body of the assembly line.

[0023] 2. During the operation of the utility model, the cylinder head hoist integrates the three major processes of clamping / grasping / hoisting into one, making the hoist mechanism more concise, easy to use and long life; each function of the hoist is clear and work efficiency can be effectively improved.

[0024] 3. During the operation of the utility model, by giving a signal to the motor hoist on the engine assembly line, the cylinder head is lifted, and the engine cylinder head is automatically locked by its own cylinder head weight. Manual workers only need to hold the handle and provide directional guidance to complete the movement of the engine cylinder head, which greatly reduces the labor intensity of manual workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 A three-dimensional cylinder head hanger of the utility model Figure 1 ;

[0027] Figure 2It is a side view of a cylinder head hanger of the utility model;

[0028] Figure 3 A three-dimensional cylinder head hanger of the utility model Figure 2 ;

[0029] Figure 4 A three-dimensional cylinder head hanger of the utility model Figure 3 ;

[0030] Figure 5 It is a schematic diagram of a lifting assembly of a cylinder head hanger of the utility model;

[0031] Figure 6 It is a schematic diagram of a follower of a cylinder head hanger of the utility model;

[0032] Figure 7 for Figure 1 Enlarged view of point A in the middle.

[0033] The numbers in the figure represent:

[0034] 1. Lifting device body; 2. Self-weight clamping assembly; 21. Limiting assembly; 211. Limiting column; 212. Rotating plate; 213. Track plate; 214. Fixed plate; 215. Bolt; 216. First connecting piece; 217. Lock hook; 218. Second connecting piece; 219. Cover plate; 22. Transmission assembly; 221. First connecting rod; 222. Second connecting rod; 223. First swing arm; 224. Bushing; 225. First connecting piece Second swing arm; 23. Duck tongue assembly; 231. Second duck tongue piece; 232. Optical axis; 233. Knurled sheet; 234. First duck tongue piece; 235. Connecting block; 24. Lifting assembly; 241. Lifting piece; 242. Linking block; 243. Sliding plate; 244. Lifting bottom plate; 245. Follower; 246. Follower wheel; 247. Hinge pin; 248. Lifting rod; 3. Hook; 4. Connecting piece; 5. Handle. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0036] The utility model is further described below in conjunction with embodiments.

[0037] Example 1

[0038] Please refer to the instruction manual Figure 1-7 , a cylinder head hanger, comprising a hanger body 1, a deadweight clamping assembly 2 being connected to the top of the hanger body 1;

[0039] The deadweight clamping assembly 2 includes a limit assembly 21, a transmission assembly 22, a duck tongue assembly 23 and a lifting assembly 24. One end of the limit assembly 21 is fixedly connected to one end of the lifting assembly 24. One end of the lifting assembly 24 is fixedly connected to the transmission assembly 22. The duck tongue assembly 23 is respectively fixedly connected to both sides of the top of the sling body 1. The duck tongue assembly 23 is located below the transmission assembly 22.

[0040] The lifting assembly 24 includes a lifting member 241, a linkage block 242, a sliding plate 243, a lifting base plate 244, a follower 245, a follower wheel 246, a hinge pin 247 and a lifting rod 248. The bottom end of the lifting base plate 244 is fixedly connected to the top of the sling body 1. The top of the lifting base plate 244 is fixedly connected to the lifting member 241. The lifting rod 248 is slidably connected inside the lifting member 241. The bottom end of the lifting rod 248 is fixedly connected to the follower 245. The bottom end of the follower 245 is rotatably connected to two follower wheels 246 through two hinge pins 247. A sliding plate 243 is arranged above the follower 245. The center of the sliding plate 243 is slidably connected to the outer wall of the lifting rod 248. A linkage block 242 is arranged above the sliding plate 243.

[0041] The top of the circular connector 4 is fixedly connected with a hook ring 3, the duck tongue assembly 23 and the transmission assembly 22 are located on one side of the lifting assembly 24, and the limit assembly 21 is located on the other side of the lifting assembly 24;

[0042] A circular connecting member 4 is fixedly connected to the top of the lifting rod 248;

[0043] The top of the circular connector 4 is fixedly connected with a hook ring 3;

[0044] Two hooks of different heights are fixedly connected to both sides of the sling body 1;

[0045] A handle 5 for hand-held pushing is fixedly connected to one side of the top end of the sling body 1 .

[0046] The sling is connected to the external hook through the hook ring 3. After hanging, the sling body 1 is lifted, and the optical axis 232 in the duck tongue component 23 is inserted into the corresponding hole of the cylinder head, and then pulled upward. The transmission component 22 is pulled by the lifting component 24 to transmit the transmission to the duck tongue component 23 to firmly clamp the cylinder head, and the cylinder head is limited by the limit component 21 to avoid loose grasping of the cylinder head. Then a signal is given to the engine to drive the cylinder head to rise, and the engine cylinder head is automatically locked by its own cylinder head weight. People only need to support the handle 5 and provide directional guidance to complete the movement of the engine cylinder head, which reduces the labor intensity of people.

[0047] Example 2

[0048] like Figure 1-7 As shown, as a preferred embodiment of the utility model, the transmission assembly 22 includes a first connecting rod 221, a second connecting rod 222, a first swing arm 223, a bushing 224 and a second swing arm 225, the bushing 224 is fixedly connected to the linkage block 242 via a shaft, one side of the bushing 224 is rotatably connected to the first connecting rod 221, and the other side of the bushing 224 is rotatably connected to the second connecting rod 222, the second connecting rod 222 and the second swing arm 225 are rotatably connected via a shaft, and the first connecting rod 221 and the first swing arm 223 are rotatably connected via a shaft.

[0049] The first swing arm 223 and the second swing arm 225 swing in an offset manner, and the first connecting rod 221 and the second connecting rod 222 swing in an offset manner.

[0050] The sleeve 224 is transmitted to the first connecting rod 221 and the second connecting rod 222 for rotation through the rising of the linkage block 242. At the same time, the first connecting rod 221 is transmitted to the first swing arm 223, and the second connecting rod 222 is transmitted to the second swing arm 225. The first swing arm 223 drives the first duckbill part 234 to rise, and the second swing arm 225 drives the second duckbill part 231 to rise. After the duckbill parts rise, the knurled sheet 233 clamps the cylinder cover.

[0051] The duck tongue assembly 23 includes a second duck tongue piece 231, an optical axis 232, a knurled sheet 233, a first duck tongue piece 234 and a connecting block 235. The two optical axes 232 are rotatably connected to the knurled sheets 233 at opposite ends. The top of the optical axis 232 on one side is fixedly connected to the first duck tongue piece 234, and the top of the optical axis 232 on the other side is fixedly connected to the second duck tongue piece 231. The bottom end of the connecting block 235 is fixedly connected to both sides of the top of the sling body 1.

[0052] The outer walls above the two optical axes 232 are slidably connected to the middle of the corresponding connection blocks 235 , respectively. The first duckbill member 234 and the second duckbill member 231 are located above the corresponding connection blocks 235 , respectively.

[0053] A lower end of the second swing arm 225 is fixedly connected to one side of the first duckbill member 234 , and a lower end of the first swing arm 223 is fixedly connected to one side of the second duckbill member 231 .

[0054] There is a spring between the knurled sheet 233 and the optical axis 232. When the first duck tongue piece 234 and the second duck tongue piece 231 control the optical axis 232 to rise, the spring pushes the knurled sheet 233 to clamp the cylinder cover, thereby improving the stability of the cylinder cover when it is lifted.

[0055] Example 3

[0056] like Figure 1-7As shown, as a preferred embodiment of the utility model, the limit assembly 21 includes a limit column 211, a rotating plate 212, a track plate 213, a fixed plate 214, a bolt 215, a first connecting member 216, a locking hook 217, a second connecting member 218 and a cover plate 219, one end of the sliding plate 243 is fixedly connected to the fixed plate 214, one side of the fixed plate 214 is rotatably connected to the rotating plate 212 by a bolt 215, the other side of the fixed plate 214 is fixedly connected to the first connecting member 216, one end of the inner side of the rotating plate 212 is fixedly connected to the second connecting member 218, the first connecting member 216 and the second connecting member 218 are connected by a locking hook 217, and the bottom end of the fixed plate 214 is fixedly connected to the track plate 213.

[0057] Two limiting posts 211 are fixedly connected to the diagonal portions of the track plate 213 , and the track plate 213 is fixedly connected to one end of the cover plate 219 via the two limiting posts 211 .

[0058] When the duckbill assembly 23 clamps and lifts the cylinder head, the short rod at the bottom of the rotating plate 212 will be limited by the track block on the track plate 213 during the rotation of the rotating plate 212, and the cylinder head will be locked when it continues to rise. At the same time, after the cylinder head is dropped to the specified placement position, the rotating plate 212 continues to rotate under the elastic force of the locking hook 217, and moves out of the track plate 213 to unlock the duckbill assembly 23 and separate from the cylinder head, so that the cylinder head can be moved.

[0059] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cylinder head hanger, comprising a hanger body (1), characterized in that: The top end of the sling body (1) is connected to a deadweight clamping assembly (2); The deadweight clamping assembly (2) comprises a limit assembly (21), a transmission assembly (22), a duck tongue assembly (23) and a lifting assembly (24); one end of the limit assembly (21) is fixedly connected to one end of the lifting assembly (24); one end of the lifting assembly (24) is fixedly connected to the transmission assembly (22); the duck tongue assembly (23) is respectively fixedly connected to two sides of the top end of the sling body (1); and the duck tongue assembly (23) is located below the transmission assembly (22); The lifting assembly (24) comprises a lifting member (241), a linkage block (242), a sliding plate (243), a lifting base plate (244), a follower (245), a follower wheel (246), a hinge pin (247) and a lifting rod (248); the bottom end of the lifting base plate (244) is fixedly connected to the top end of the sling body (1); the top end of the lifting base plate (244) is fixedly connected to the lifting member (241); the lifting member (241) slides inside A lifting rod (248) is connected, the bottom end of the lifting rod (248) is fixedly connected to a follower (245), the bottom end of the follower (245) is rotatably connected to two follower wheels (246) via two hinge pins (247), a sliding plate (243) is arranged above the follower (245), the center of the sliding plate (243) is slidably connected to the outer wall of the lifting rod (248), and a linkage block (242) is arranged above the sliding plate (243); The top end of the lifting rod (248) is fixedly connected with a circular connecting piece (4); The top end of the circular connecting piece (4) is fixedly connected with a hook ring (3); Two hooks of different heights are fixedly connected to the two sides of the sling body (1).

2. The cylinder head hanger according to claim 1, characterized in that: The top end of the lifting rod (248) is slidably connected to a circular connecting piece (4); the duckbill assembly (23) and the transmission assembly (22) are located on one side of the lifting assembly (24); and the limit assembly (21) is located on the other side of the lifting assembly (24).

3. The cylinder head hanger according to claim 2, characterized in that: The transmission assembly (22) comprises a first connecting rod (221), a second connecting rod (222), a first swing arm (223), a shaft sleeve (224) and a second swing arm (225); the shaft sleeve (224) is fixedly connected to a linkage block (242) via a shaft; one side of the shaft sleeve (224) is rotationally connected to the first connecting rod (221); the other side of the shaft sleeve (224) is rotationally connected to the second connecting rod (222); the second connecting rod (222) and the second swing arm (225) are rotationally connected via a shaft; and the first connecting rod (221) and the first swing arm (223) are rotationally connected via a shaft.

4. The cylinder head hanger according to claim 3, characterized in that: The limiting assembly (21) comprises a limiting column (211), a rotating plate (212), a track plate (213), a fixed plate (214), a bolt (215), a first connecting member (216), a locking hook (217), a second connecting member (218) and a cover plate (219); one end of the sliding plate (243) is fixedly connected to the fixed plate (214); one side of the fixed plate (214) is rotatably connected to the rotating plate (212) through a bolt (215); the other side of the fixed plate (214) is fixedly connected to the first connecting member (216); one end of the inner side of the rotating plate (212) is fixedly connected to the second connecting member (218); the first connecting member (216) and the second connecting member (218) are connected via a locking hook (217); and the bottom end of the fixed plate (214) is fixedly connected to the track plate (213).

5. The cylinder head hanger according to claim 4, characterized in that: Two limiting columns (211) are fixedly connected at the diagonal positions of the track plate (213), and the track plate (213) is fixedly connected to one end of the cover plate (219) via the two limiting columns (211).

6. The cylinder head hanger according to claim 5, characterized in that: The first swing arm (223) and the second swing arm (225) swing in an offset manner, and the first connecting rod (221) and the second connecting rod (222) swing in an offset manner.

7. The cylinder head hanger according to claim 6, characterized in that: The duck tongue assembly (23) comprises a second duck tongue piece (231), an optical axis (232), a knurled sheet (233), a first duck tongue piece (234) and a connecting block (235); the two optical axes (232) are rotatably connected to the knurled sheets (233) at opposite ends; the top end of the optical axis (232) on one side is fixedly connected to the first duck tongue piece (234); the top end of the optical axis (232) on the other side is fixedly connected to the second duck tongue piece (231); and the bottom end of the connecting block (235) is fixedly connected to both sides of the top end of the sling body (1).

8. The cylinder head hanger according to claim 7, characterized in that: The outer walls above the two optical axes (232) are respectively slidably connected to the middle of the corresponding connection blocks (235), and the first duckbill component (234) and the second duckbill component (231) are respectively located above the corresponding connection blocks (235).

9. The cylinder head hanger according to claim 8, characterized in that: One lower end of the second swing arm (225) is fixedly connected to one side of the first duckbill component (234), and one lower end of the first swing arm (223) is fixedly connected to one side of the second duckbill component (231).

10. The cylinder head hanger according to claim 9, characterized in that: A handle (5) for hand-held pushing is fixedly connected to one side of the top end of the sling body (1).

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