High-load-bearing jack

Abstract

The utility model relates to the field of load-bearing assemblies, in particular to a high load-bearing jack. The technical problems that an existing supporting assembly of the high-bearing-capacity bearing assembly cannot adapt to different terrains, is not stable enough and is prone to inclination, supporting points are concentrated, the bearing assembly is prone to damage, an overweight heavy object is difficult to hoist, and meanwhile the heavy object cannot be stably supported, so that the heavy object slides off, and major safety accidents are caused are solved. According to the technical scheme, the high-load-bearing jack comprises a mounting base and a sliding ring. The main supporting assembly and the auxiliary supporting assembly are used for supporting equipment, the problem that an existing equipment supporting assembly cannot adapt to various terrains and is prone to inclination is solved, meanwhile, the shock absorber is used for assisting the bearing assembly, and the problems that existing equipment is concentrated in supporting point and prone to inclination are solved. And meanwhile, the heavy object can be stably supported through the sliding ring, and safety accidents caused by movement of the heavy object are prevented.

Description

Technical Field

[0001] The utility model relates to the field of load-bearing components, in particular to a high-load-bearing jack. Background Art

[0002] As a commonly used lifting tool, load-bearing components are widely used in various industrial and civil fields, such as construction, automobile maintenance, machinery manufacturing, etc. In these applications, load-bearing components need to have high load-bearing capacity to meet the needs of lifting heavy objects. However, during use, the existing high-pressure load-bearing components have the problem that the support components are used in a single way and cannot adapt to different terrains, the support points are not stable enough, which makes it easy to tilt, and the support for heavy objects is unstable, which causes the heavy objects to fall off and cause safety accidents. At the same time, the concentrated support points of the objects make the load-bearing components easy to be damaged, and it is difficult to carry overweight objects. Therefore, there is an urgent need for a stable load-bearing component with multiple support points and a stable support effect on the objects. Utility Model Content

[0003] In order to overcome the problems that the existing high-load-bearing load-bearing components cannot adapt to different terrains, resulting in instability and easy tilting, and the concentrated support points make the load-bearing components easy to be damaged, and it is difficult to lift overweight objects. At the same time, the unstable support for heavy objects may cause the heavy objects to slip and cause major safety accidents.

[0004] The technical solution of the utility model is: a high-load-bearing jack, comprising a mounting base, a main supporting assembly, an auxiliary supporting assembly, a load-bearing assembly, a shock absorber, a movable assembly and a sliding ring; a plurality of groups of main supporting assemblies are mounted on the lower end surface of the mounting base; auxiliary supporting assemblies are mounted on both sides of the mounting base; a load-bearing assembly is mounted on the upper end surface of the mounting base; two groups of shock absorbers are mounted on the upper end surface of the mounting base; the shock absorber and the load-bearing assembly are staggered; a movable assembly is mounted on the upper end surface of the auxiliary supporting assembly; and a sliding ring is bolted above the movable assembly.

[0005] Preferably, when in use, the main support assembly can be used to provide stable support for the installation base, and then the auxiliary support assembly can be used to provide auxiliary support for the installation base. At the same time, the main support assembly and the auxiliary support assembly can adjust the length to adapt to various terrains to prevent the equipment from tilting and causing heavy objects to slip and cause safety accidents when facing different usage environments. At the same time, the load-bearing assembly can be used to lift the heavy objects, and the shock absorber can be used to provide auxiliary support for the load-bearing assembly while the load-bearing assembly is lifting the heavy objects, thereby reducing the pressure on the load-bearing assembly and lifting heavier objects. At the same time, the movable assembly and the sliding ring can be used to support the load-bearing assembly, thereby increasing the strength of the load-bearing assembly and preventing failures.

[0006] Preferably, the main support assembly includes a first support leg, a circular groove, a first storage tube, a support foot and a latch; multiple groups of first storage tubes are installed on the lower end surface of the mounting base; multiple groups of first storage tubes are provided with multiple groups of circular grooves; the first support legs are slidably connected inside the multiple groups of first storage tubes; multiple groups of circular grooves are provided on the first support legs; the support foot is installed on the lower end surface of the first support leg; the first support leg and the first storage tube are fixedly installed by a latch, and when in use, the first storage tube can be used to ensure the normal movement of the first support leg, and the support foot can be used to allow the first support leg to stand stably on the ground, and the coordinated use of the latch and the circular groove can manually adjust the length of the main support assembly to adapt to different terrains.

[0007] Preferably, the auxiliary support assembly includes a support plate, a movable slide plate, a slider, an inlet, a slide groove, a second storage cylinder, a fixing rod, a second support leg, a support chassis and a circular hole; support plates are installed on both sides of the mounting base; an inlet is provided on the side of the support plate; two groups of slide grooves are provided on the side wall of the inlet; a movable slide plate is slidably connected inside the support plate; sliders are installed on both side walls of the movable slide plate; a second storage cylinder is installed on the lower end surface of the support plate; a circular hole is provided on the second storage cylinder; a second support leg is installed inside the second storage cylinder; multiple groups of circular holes are provided on the second support leg; a second support leg is installed on the lower end surface There is a supporting chassis; the second storage cylinder and the second supporting leg are fixedly installed by a fixing rod. When in use, the position of the auxiliary supporting assembly can be adjusted by cooperating with the supporting plate and the moving slide plate. At the same time, an inlet and a slide groove are opened on the supporting plate to ensure the normal movement of the moving slide plate and the slide block installed on the side of the moving slide plate. The second storage cylinder can be used to adjust the second supporting leg installed inside, and the supporting chassis can make the second supporting leg stand stably. At the same time, the round hole and the fixing rod can be used together to manually adjust the length of the fixed second supporting leg to adapt to different terrains.

[0008] Preferably, the load-bearing component includes an oil cylinder, a slide rail, a limit ring, a piston rod, a rubber disc and rubber bumps; the oil cylinder is installed on the upper end surface of the mounting base; the slide rail is installed on the side wall of the oil cylinder; the limit ring is installed on the upper end of the oil cylinder; the piston rod is installed inside the oil cylinder; the rubber disc is installed on the upper end surface of the piston rod; and a plurality of groups of rubber bumps are arranged on the upper end surface of the rubber disc. When in use, the oil cylinder can be used to protect the internal components. At the same time, the oil cylinder is made of alloy steel material and can withstand high-intensity pressure. At the same time, surface quenching further enhances the strength of the oil cylinder. The slide rail can ensure the normal use of the component. At the same time, the limit ring can ensure that the component will not move outside the original position when in use. The rubber disc and rubber bumps can be used to stably support the heavy objects above to prevent them from slipping.

[0009] Preferably, the shock absorber includes a protective shell, a support rod, a support spring and a support head; two groups of protective shells are symmetrically installed on the upper end surface of the mounting base; support rods are installed inside the two groups of protective shells; support springs are installed on the outer layer of the support rods; and a support head is installed on the upper end surface of the support rod. When in use, the protective shell can be used to protect the internal components, and the support rod can be used to ensure the normal operation of the shock absorber, while the support head can be used to provide auxiliary support for the heavy objects above, and the support spring can be used to reduce the impact force caused by the heavy objects.

[0010] Preferably, the movable component includes a U-shaped base, a support arm, a mounting port and a movable block; the U-shaped base is installed on the upper end surface of the support plate; the support arm is installed with bolts inside the U-shaped base; the support arm is provided with a mounting port; the movable block is installed inside the mounting port. When in use, the movable component can be stably mounted on the equipment using the U-shaped base, and the position of the sliding ring can be independently adjusted by using the support arm and the movable block in combination. At the same time, the mounting port is provided on the support arm to ensure the normal use of the movable block.

[0011] Preferably, the sliding ring includes a sliding ring, a slideway and a connecting bracket; a sliding ring is arranged above the movable block; two sets of slideways are provided on the inner wall of the sliding ring; two sets of connecting brackets are installed on the side of the sliding ring; the movable block is bolted inside the two sets of connecting brackets, and when in use, the movable block and the sliding ring can be installed and connected using the connecting bracket, and at the same time, the slideway is provided on the sliding ring to ensure the normal movement of the sliding ring during adjustment.

[0012] Beneficial effects of the utility model:

[0013] 1. The main support assembly can be used to provide stable support for the installation base, and then the auxiliary support assembly can be used to provide auxiliary support for the installation base. At the same time, the main support assembly and the auxiliary support assembly can adjust the length to adapt to various terrains to prevent the equipment from tilting in different usage environments and causing heavy objects to slip and cause safety accidents. At the same time, the load-bearing assembly can be used to lift the heavy objects, and the shock absorber can be used to provide auxiliary support for the load-bearing assembly while the load-bearing assembly is lifting the heavy objects, thereby reducing the pressure on the load-bearing assembly and lifting heavier objects. At the same time, the movable assembly can be used to support the load-bearing assembly, thereby increasing the strength of the load-bearing assembly and preventing failures. At the same time, the sliding ring can be used to stably lift the heavy objects on top to prevent the heavy objects from sliding and falling and causing safety accidents.

[0014] 2. The first storage tube can be used to ensure the normal movement of the first supporting leg, and the supporting foot can make the first supporting leg stand stably on the ground. The combination of the pin and the circular groove can manually adjust the length of the main supporting assembly to adapt to different terrains. The position of the auxiliary supporting assembly can be adjusted by combining the supporting plate and the mobile skateboard. At the same time, the inlet and the slide groove are opened on the supporting plate to ensure the normal movement of the mobile skateboard and the slider installed on the side of the mobile skateboard. The second storage tube can be used to adjust the second supporting leg installed inside, and the supporting chassis can make the second supporting leg stand stably. At the same time, the circular hole and the fixing rod can be used together to manually adjust the length of the fixed second supporting leg to adapt to different terrains.

[0015] 3. The oil cylinder can be used to protect the internal components. At the same time, the oil cylinder is made of alloy steel material and can withstand high-intensity pressure. At the same time, surface quenching further strengthens the strength of the oil cylinder. The slide rail can ensure the normal use of the components. At the same time, the limit ring can ensure that the components will not move out of the original position during use. The rubber disc and rubber bumps can be used to stably support the heavy objects above to prevent them from slipping. The protective shell can protect the internal components. At the same time, the support rod can ensure the normal operation of the shock absorber, and the support head can be used to provide auxiliary support for the heavy objects above. At the same time, the support spring can reduce the impact force caused by the heavy objects.

[0016] 4. The U-shaped base can be used to stably install the movable component on the equipment. At the same time, the position of the sliding ring can be adjusted independently by using the support arm and the movable block. At the same time, a mounting port is opened on the support arm to ensure the normal use of the movable block. The movable block and the sliding ring can be installed and connected using the connecting bracket. At the same time, a slide is opened on the sliding ring to ensure the normal movement of the sliding ring during adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of the structure of the utility model;

[0018] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of the auxiliary support assembly of the utility model;

[0019] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the load-bearing component of the utility model;

[0020] Figure 4 What is shown is a schematic diagram of the three-dimensional structure of the shock absorber of the utility model;

[0021] Figure 5 What is shown is a schematic diagram of the three-dimensional structure of the movable component of the utility model.

[0022] Description of reference numerals: 1. mounting base; 2. main support assembly; 3. auxiliary support assembly; 4. load-bearing assembly; 5. shock absorber; 6. movable assembly; 7. sliding ring; 201. first supporting leg; 202. circular slot; 203. first storage cylinder; 204. supporting foot; 205. latch; 301. supporting plate; 302. movable slide plate; 303. slide block; 304. inlet; 305. slide groove; 306. second storage cylinder; 307. fixing rod; 308. Second supporting leg; 309, supporting chassis; 310, round hole; 401, oil cylinder; 402, slide rail; 403, limit ring; 404, piston rod; 405, rubber disc; 406, rubber bump; 501, protective shell; 502, supporting rod; 503, supporting spring; 504, supporting head; 601, U-shaped base; 602, supporting arm; 603, mounting port; 604, movable block; 701, sliding ring; 702, slideway; 703, connecting bracket. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-2The utility model provides an embodiment: a high-load-bearing jack, including a mounting base 1, a main support assembly 2, an auxiliary support assembly 3, a load-bearing assembly 4, a shock absorber 5, a movable assembly 6 and a sliding ring 7; a plurality of groups of main support assemblies 2 are installed on the lower end surface of the mounting base 1; auxiliary support assemblies 3 are installed on both sides of the mounting base 1; a load-bearing assembly 4 is installed on the upper end surface of the mounting base 1; two groups of shock absorbers 5 are installed on the upper end surface of the mounting base 1; the shock absorber 5 and the load-bearing assembly 4 are installed staggered; a movable assembly 6 is installed on the upper end surface of the auxiliary support assembly 3; a sliding ring 7 is bolted above the movable assembly 6. When in use, the main support assembly 2 can be used to stably support the mounting base 1, and then the auxiliary support assembly 3 is used to auxiliary support the mounting base 1. At the same time, the main support component 2 and the auxiliary support component 3 can adjust the length to adapt to various terrains to prevent the equipment from tilting in different usage environments, causing heavy objects to slip and cause safety accidents. At the same time, the load-bearing component 4 can be used to lift the heavy objects, and the shock absorber 5 can be used to auxiliary support the load-bearing component 4 while the load-bearing component 4 is lifting the heavy objects, thereby reducing the pressure of the load-bearing component 4 and lifting heavier objects. At the same time, the movable component 6 and the sliding ring 7 can be used to support the load-bearing component 4, strengthen the strength of the load-bearing component 4, and prevent failures. The main support component 2 includes a first support leg 201, a circular slot 202, a first storage tube 203, a support foot 204 and a latch 205; a plurality of groups of the first A storage tube 203; multiple groups of first storage tubes 203 are provided with multiple groups of circular grooves 202; multiple groups of first storage tubes 203 are slidably connected with first support legs 201; multiple groups of circular grooves 202 are provided on the first support legs 201; a support foot 204 is installed on the lower end surface of the first support leg 201; the first support leg 201 and the first storage tube 203 are fixedly installed by a latch 205. When in use, the first storage tube 203 can be used to ensure the normal movement of the first support leg 201, and the support foot 204 can be used to make the first support leg 201 stand stably on the ground, and the combination of the latch 205 and the circular groove 202 can manually adjust the length of the main support component 2 to adapt to different terrains. The auxiliary support component 3 includes There are support plates 301, movable slide plates 302, sliders 303, inlets 304, slide grooves 305, second storage cylinders 306, fixing rods 307, second support legs 308, support chassis 309 and round holes 310; support plates 301 are installed on both sides of the mounting base 1; an inlet 304 is provided on the side of the support plate 301; two groups of slide grooves 305 are provided on the side wall of the inlet 304; the movable slide plate 302 is slidably connected inside the support plate 301; sliders 303 are installed on both side walls of the movable slide plate 302; a second storage cylinder 306 is installed on the lower end surface of the support plate 301; a round hole 310 is provided on the second storage cylinder 306; a second support leg 308 is slidably connected inside the second storage cylinder 306; a plurality of groups of round holes 310 are provided on the second support leg 308;The lower end surface of the second support leg 308 is installed with a support chassis 309, and the second storage cylinder 306 and the second support leg 308 are fixedly installed by a fixing rod 307. When in use, the position of the auxiliary support assembly 3 can be adjusted by using the support plate 301 and the mobile slide 302. At the same time, the inlet 304 and the slide groove 305 are opened on the support plate 301 to ensure the normal movement of the mobile slide 302 and the slider 303 installed on the side of the mobile slide 302. The second storage cylinder 306 can be used to adjust the second support leg 308 installed inside, and the support chassis 309 can be used to make the second support leg 308 stand stably. At the same time, the round hole 310 and the fixing rod 307 are used in combination to manually adjust the length of the fixed second support leg 308 to adapt to different terrains. ;

[0025] See also Figure 3-4 , the load-bearing component 4 includes a cylinder 401, a slide rail 402, a limit ring 403, a piston rod 404, a rubber disc 405 and a rubber bump 406; the cylinder 401 is installed on the upper end surface of the mounting base 1; the slide rail 402 is installed on the side wall of the cylinder 401; the limit ring 403 is installed on the upper end of the cylinder 401; the piston rod 404 is installed inside the cylinder 401; the rubber disc 405 is installed on the upper end surface of the piston rod 404; the upper end surface of the rubber disc 405 is provided with a plurality of groups of rubber bumps 406. When in use, the cylinder 401 can be used to protect the internal components. At the same time, the cylinder 401 is made of alloy steel material and can withstand high-intensity pressure. At the same time, the surface quenching further strengthens the strength of the cylinder 401, and the slide rail 402 can ensure the normal use of the component, and the limit ring 403 can ensure the component When in use, it will not move out of the original position, and the rubber disc 405 and the rubber protrusion 406 can be used to stably support the heavy objects above to prevent them from slipping. The shock absorber 5 includes a protective shell 501, a support rod 502, a support spring 503 and a support head 504; two groups of protective shells 501 are symmetrically installed on the upper end surface of the mounting base 1; support rods 502 are installed inside the two groups of protective shells 501; support springs 503 are installed on the outer layer of the support rods 502; support heads 504 are installed on the upper end surface of the support rods 502. When in use, the protective shells 501 can be used to protect the internal components, and the support rods 502 can be used to ensure the normal operation of the shock absorber 5, and the support heads 504 can be used to provide auxiliary support for the heavy objects above, and the support springs 503 can be used to reduce the impact force caused by the heavy objects.

[0026] See also Figure 5The movable assembly 6 includes a U-shaped base 601, a support arm 602, a mounting opening 603 and a movable block 604; the U-shaped base 601 is mounted on the upper end surface of the support plate 301; the support arm 602 is bolted to the U-shaped base 601; the support arm 602 is provided with a mounting opening 603; the movable block 604 is installed inside the mounting opening 603. When in use, the movable assembly 6 can be stably mounted on the equipment by using the U-shaped base 601, and the position of the sliding ring 7 can be adjusted independently by using the support arm 602 and the movable block 604 in combination. At the same time, the mounting opening 603 is provided on the support arm 602 to ensure that the movable assembly 6 For the normal use of the movable block 604, the sliding ring 7 includes a sliding ring 701, a slideway 702 and a connecting bracket 703; a sliding ring 701 is arranged above the movable block 604; two groups of slideways 702 are provided on the inner wall of the sliding ring 701; two groups of connecting brackets 703 are installed on the side of the sliding ring 701; the movable block 604 is bolted inside the two groups of connecting brackets 703. When in use, the movable block 604 and the sliding ring 701 can be installed and connected by using the connecting bracket 703. At the same time, the slideway 702 is provided on the sliding ring 701 to ensure the normal movement of the sliding ring 701 during adjustment.

[0027] Firstly, the first storage tube 203 can be used to ensure the normal movement of the first support leg 201, and the support foot 204 can make the first support leg 201 stand stably on the ground, and the combination of the pin 205 and the circular groove 202 can manually adjust the length of the main support assembly 2 to adapt to different terrains, and then the support plate 301 and the movable slide 302 can be used to adjust the position of the auxiliary support assembly 3, and the inlet 304 and the slide groove 305 are opened on the support plate 301 to ensure the normal movement of the movable slide 302 and the slider 303 installed on the side of the movable slide 302, and the second storage tube 306 can be used to adjust the second support leg 308 installed inside, and the support chassis 309 can make the second support leg 308 stand stably, and the circular hole 310 and the fixing rod 307 can be used together to manually adjust the length of the fixed second support leg 308 to adapt to different terrains.

[0028] Next, the oil cylinder 401 can be used to protect the internal components. At the same time, the oil cylinder 401 is made of alloy steel material and can withstand high-intensity pressure. At the same time, surface quenching further strengthens the strength of the oil cylinder 401. The slide rail 402 can ensure the normal use of the component. At the same time, the limit ring 403 can ensure that the component will not move out of the original position during use. The rubber disc 405 and the rubber bump 406 can be used to stably support the heavy objects above to prevent them from slipping. The protective shell 501 can be used to protect the internal components. At the same time, the support rod 502 can ensure the normal operation of the shock absorber 5, and the support head 504 can be used to provide auxiliary support for the heavy objects above. At the same time, the support spring 503 can reduce the impact force caused by the heavy objects.

[0029] Finally, the U-shaped base 601 can be used to stably install the movable component 6 on the equipment, and the support arm 602 and the movable block 604 can be used together to independently adjust the position of the sliding ring 7. At the same time, a mounting port 603 is provided on the support arm 602 to ensure the normal use of the movable block 604. The movable block 604 and the sliding ring 701 can be installed and connected using the connecting bracket 703. At the same time, a slideway 702 is provided on the sliding ring 701 to ensure the normal movement of the sliding ring 701 during adjustment.

[0030] Through the above steps, the main support component 2 can be used to stably support the installation base 1, and then the auxiliary support component 3 can be used to auxiliary support the installation base 1. At the same time, the main support component 2 and the auxiliary support component 3 can adjust the length to adapt to various terrains to prevent the equipment from tilting in different usage environments and causing heavy objects to slip and cause safety accidents. At the same time, the load-bearing component 4 can be used to lift heavy objects, and the shock absorber 5 can be used to auxiliary support the load-bearing component 4 while the load-bearing component 4 is lifting the heavy objects, thereby reducing the pressure on the load-bearing component 4 and lifting heavier objects. At the same time, the movable component 6 and the sliding ring 7 can support the load-bearing component 4, strengthen the strength of the load-bearing component 4, and prevent failures.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A high load-bearing jack, characterized in that: The invention comprises a mounting base (1), a main support assembly (2), an auxiliary support assembly (3), a load-bearing assembly (4), a shock absorber (5), a movable assembly (6) and a sliding ring (7); a plurality of groups of main support assemblies (2) are mounted on the lower end surface of the mounting base (1); auxiliary support assemblies (3) are mounted on both sides of the mounting base (1); a load-bearing assembly (4) is mounted on the upper end surface of the mounting base (1); two groups of shock absorbers (5) are mounted on the upper end surface of the mounting base (1); the shock absorber (5) and the load-bearing assembly (4) are staggered; a movable assembly (6) is mounted on the upper end surface of the auxiliary support assembly (3); and a sliding ring (7) is bolted to the upper side of the movable assembly (6).

2. A high load-bearing jack according to claim 1, characterized in that: The main support assembly (2) comprises a first support leg (201), a circular groove (202), a first storage tube (203), a support foot (204) and a latch (205); a plurality of first storage tubes (203) are mounted on the lower end surface of the mounting base (1); a plurality of first storage tubes (203) are provided with a plurality of circular grooves (202); a first support leg (201) is slidably connected inside the plurality of first storage tubes (203); a plurality of circular grooves (202) are provided on the first support leg (201); a support foot (204) is mounted on the lower end surface of the first support leg (201); and the first support leg (201) and the first storage tube (203) are fixedly mounted via a latch (205).

3. A high load-bearing jack according to claim 1, characterized in that: The auxiliary support assembly (3) comprises a support plate (301), a movable slide plate (302), a slider (303), an inlet (304), a slide groove (305), a second storage tube (306), a fixing rod (307), a second support leg (308), a support chassis (309) and a circular hole (310); the support plate (301) is installed on both sides of the mounting base (1); an inlet (304) is provided on the side of the support plate (301); two groups of slide grooves (305) are provided on the side wall of the inlet (304); the movable slide plate (304) is slidably connected inside the support plate (301) 02); sliding blocks (303) are installed on both side walls of the movable slide plate (302); a second storage tube (306) is installed on the lower end surface of the support plate (301); a round hole (310) is provided on the second storage tube (306); a second support leg (308) is slidably connected inside the second storage tube (306); a plurality of groups of round holes (310) are provided on the second support leg (308); a support chassis (309) is installed on the lower end surface of the second support leg (308); the second storage tube (306) and the second support leg (308) are fixedly installed by a fixing rod (307).

4. A high load-bearing jack according to claim 1, characterized in that: The load-bearing component (4) comprises an oil cylinder (401), a slide rail (402), a limit ring (403), a piston rod (404), a rubber disc (405) and rubber bumps (406); the oil cylinder (401) is mounted on the upper end surface of the mounting base (1); the slide rail (402) is mounted on the side wall of the oil cylinder (401); the limit ring (403) is mounted on the upper end of the oil cylinder (401); the piston rod (404) is mounted inside the oil cylinder (401); the rubber disc (405) is mounted on the upper end surface of the piston rod (404); and a plurality of groups of rubber bumps (406) are arranged on the upper end surface of the rubber disc (405).

5. A high load-bearing jack according to claim 1, characterized in that: The shock absorber (5) comprises a protective shell (501), a support rod (502), a support spring (503) and a support head (504); two sets of protective shells (501) are symmetrically mounted on the upper end surface of the mounting base (1); support rods (502) are mounted inside the two sets of protective shells (501); support springs (503) are mounted on the outer layer of the support rods (502); and the support head (504) is mounted on the upper end surface of the support rods (502).

6. A high load-bearing jack according to claim 1, characterized in that: The movable assembly (6) comprises a U-shaped base (601), a support arm (602), a mounting opening (603) and a movable block (604); the U-shaped base (601) is mounted on the upper end surface of the support plate (301); the support arm (602) is boltedly mounted inside the U-shaped base (601); the support arm (602) is provided with a mounting opening (603); and the movable block (604) is mounted inside the mounting opening (603).

7. A high load-bearing jack according to claim 1, characterized in that: The sliding ring (7) comprises a sliding ring (701), a slideway (702) and a connecting bracket (703); the sliding ring (701) is arranged above the movable block (604); two groups of slideways (702) are provided on the inner wall of the sliding ring (701); two groups of connecting brackets (703) are installed on the side of the sliding ring (701); the movable block (604) is bolted inside the two groups of connecting brackets (703).

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