Adjustable jack heightening device
By designing an adjustable jack raising device, the problems of limited jack height and poor stability were solved, achieving flexible height adjustment and stable support, thus improving construction efficiency and safety.
Patent Information
- Application Number
- CN202520384520.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The existing jacks have limited lifting height, resulting in low construction efficiency and poor stability under vibration conditions, posing safety hazards.
An adjustable jack raising device was designed, including a base platform, a raising unit, clamping components, and auxiliary stabilizing components. The device achieves stable support and height adjustment of the jack through structures such as threaded rods, flanges, and limit rods.
This allows for flexible adjustment of the jack height, improving the stability and safety of the support structure and reducing construction risks.
Smart Images

Figure CN223892340U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of auxiliary equipment technology for building construction, specifically a device for expanding...
[0002] An adjustable lifting device for extending the lifting height of a jack. Background Technology
[0003] In scenarios such as the installation of large equipment and the construction of embedded parts, the lifting height of jacks directly affects construction efficiency. Existing technologies have the following drawbacks: Height limitation: The maximum stroke of conventional jacks is usually ≤500mm. When exceeding this limit, wooden blocks or steel plates must be stacked, resulting in poor stability (actual measurements show that the lateral offset is >5mm when stacking 3 layers of wooden boards); Safety hazards: There is no reliable connection between the pads, which can easily lead to slippage under vibration conditions (industry statistics show that such accidents account for 17%).
[0004] Therefore, how to solve the above-mentioned technical problems has become the subject of this utility model. Utility Model Content
[0005] The purpose of this invention is to provide a stable and adjustable jack raising device.
[0006] The technical solution adopted by this utility model to solve its technical problem is: an adjustable jack raising device is provided, including a base platform, the top surface of which is provided with a rectangular positioning groove that matches the bottom of the jack, and a clamping component is provided in the groove;
[0007] An adjustable height-increasing unit is connected to the bottom center of the base platform. The bottom of the height-increasing unit is fixedly connected to the top center of the anti-slip base plate. An auxiliary stabilizing component is fixedly connected between the top of the anti-slip base plate and the bottom of the base platform. The bottom of the anti-slip base plate is provided with a first anti-slip texture.
[0008] A limiting component is provided between the height-increasing unit and the base platform.
[0009] The base platform is rectangular and is formed from Q235 steel plate.
[0010] The clamping component includes horizontally connected to the center of the four sides of the groove.
[0011] A first threaded rod on the base platform, the outer end of the first threaded rod is located on the outer side of the base platform and is fixedly connected to a knob, the first threaded rod is internally threaded to one side of the groove and one side of the push block, the push block is fixedly connected to a vertically arranged clamping block at the end away from the knob, and the clamping block is provided with a second anti-slip texture on the side away from the knob.
[0012] The bottom of the push block is provided with a guide bar, and the top of the groove is provided with a guide groove that slides with the guide bar.
[0013] A threaded ring is fixedly connected to the bottom of the base platform;
[0014] The height-increasing unit includes a first threaded sleeve, and the top outer side of the first threaded sleeve is provided with
[0015] The first threaded sleeve has an external thread that mates with the inner thread of the threaded ring. The inner thread of the first threaded sleeve is connected to a first threaded post. The bottom outer side of the first threaded post is coaxially sleeved with a first flange. The bottom of the first threaded post is coaxially fixedly connected to a first insert post. The first insert post is inserted into the center hole of the second flange fixedly connected to the top of the second threaded sleeve. A first pin is connected between the first flange and the second flange. The inner thread of the second threaded sleeve is connected to a second threaded post. The bottom outer side of the second threaded post is coaxially sleeved with a third flange. The bottom of the second threaded post is fixedly connected to a second insert post.
[0016] The anti-slip base plate is rectangular, and a fourth flange is provided at the center of the anti-slip base plate. The second insert is inserted into the center hole of the fourth flange, and a second pin is connected between the third flange and the fourth flange.
[0017] The limiting component includes a limiting ring fitted to the lower side of the first threaded sleeve, and a sliding ring fitted on the outside of the first threaded sleeve above the limiting ring. Two sliding grooves are symmetrically opened on the inner side of the sliding ring, and a sliding strip that slides with the sliding groove is provided along the axial direction of the outer wall of the first threaded sleeve.
[0018] The top of the sliding ring is symmetrically and vertically upward-facing with two limiting rods, and the bottom of the threaded ring...
[0019] The part is symmetrically provided with insertion holes that can be inserted and matched with the limiting rod;
[0020] The top of the limiting rod is made of metal, and the bottom of the socket is provided with a magnet that magnetically engages with the top of the limiting rod.
[0021] An upper connecting seat is provided at the center of each of the four edges of the bottom of the base platform, and a lower connecting seat is provided at the center of each of the four edges of the top of the anti-slip base plate, corresponding to the upper connecting seat.
[0022] The auxiliary stabilizing component includes a connecting sleeve, and a lower connecting plate is provided at the bottom end of the connecting sleeve.
[0023] The lower connecting plate and the lower connecting seat are connected by a third pin. The inner side of the connecting sleeve is slidably fitted with a second threaded rod. The top of the second threaded rod is rotatably connected to a rotating seat. The top of the rotating seat is provided with an upper connecting plate. The upper connecting plate and the upper connecting seat are connected by a fourth pin.
[0024] A rotating sleeve is fitted on the top outer side of the connecting sleeve and rotatably connected thereto, and a driving sleeve that is threadedly connected to the second threaded rod is fixedly connected to the upper side of the rotating sleeve.
[0025] The anti-slip base plate has fixing holes at its four corners.
[0026] Two leveling bubbles, arranged perpendicularly to each other, are fixedly connected to the top two sides of the base platform.
[0027] In actual use, the following steps are taken: First, assemble the device. Adjust the screw-in distance of the first and second threaded posts according to the required support height. Connect the first threaded sleeve to the threaded ring via external threads. Fix the lifting unit vertically using the flange and pin. Then, push the sliding ring upwards to insert the limiting rod into the insertion hole and fix it with magnetic attraction, thus preventing the top of the lifting unit from rotating relative to the base platform. Next, adjust the height of the auxiliary stabilizing components to provide stable support to the base platform from all four sides. Then, place the bottom of the jack into the center of the positioning groove and rotate the knobs on all four sides to clamp and stabilize the bottom of the jack from all four sides. Place the anti-slip base plate on a non-hardened surface and further fix its position using the fixing holes and pins. Adjust the level of the base platform by fine-tuning the auxiliary stabilizing components and the level bubble indicator. It should also be noted that the second threaded sleeve and second threaded post can be flexibly selected according to the required support height. If not needed, the first insertion post can be directly connected to the fourth flange.
[0028] The beneficial effects of this utility model are as follows: by flexibly adjusting the height-increasing unit, the requirements of different support heights of the jack can be met within a certain range. With the cooperation of auxiliary stabilizing components, the stability of the support state can be guaranteed, and the safety of use is higher. Attached Figure Description
[0029] Figure 1 This is the front view of the present invention;
[0030] Figure 2 This is a three-dimensional structural diagram of the present invention from a first angle;
[0031] Figure 3 This is a two-dimensional structural diagram of the present invention from a second angle;
[0032] Figure 4 This is a schematic diagram of the exploded structure of this utility model;
[0033] Figure 5 for Figure 4 Enlarged diagram of area A in the middle;
[0034] Figure 6 This is a schematic diagram of the bottom view structure of the base substrate of this utility model;
[0035] Figure 7 This is a schematic diagram of the sliding ring structure of this utility model.
[0036] Among them, 1. Base platform; 101. Positioning groove; 102. Guide groove; 103. Threaded ring; 104. Upper connecting seat; 2. Clamping component; 201. First threaded rod; 202. Knob; 203. Push block; 204. Clamping block; 205. Guide strip; 3. Heightening unit; 301. First threaded sleeve; 302. External thread; 303. First threaded post; 304. First flange; 305. First insert post; 306. Second threaded sleeve; 307. Second flange; 308. First pin; 309. Second threaded post; 310. Third flange; 31 1. Second insert; 312. Fourth flange; 313. Second pin; 4. Anti-slip base plate; 401. Lower connecting seat; 402. Fixing hole; 5. Auxiliary stabilizing component; 501. Connecting sleeve; 502. Lower connecting plate; 503. Third pin; 504. Second threaded rod; 505. Rotating seat; 506. Upper connecting plate; 507. Fourth pin; 508. Rotating sleeve; 509. Drive sleeve; 6. Limiting component; 601. Limiting ring; 602. Sliding ring; 603. Slide groove; 604. Slide bar; 605. Limiting rod; 606. Insertion hole; 7. Level bubble. Detailed Implementation
[0037] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.
[0038] See Figures 1 to 7 This utility model is an adjustable jack raising device.
[0039] The system includes a base platform 1, the top surface of which has a rectangular positioning groove 101 that mates with the bottom of a jack. A clamping component 2 is installed within the groove 101. An adjustable raising unit 3 is connected to the center of the bottom of the base platform 1. The bottom of the raising unit 3 is fixedly connected to the center of the top of an anti-slip base plate 4. An auxiliary stabilizing component 5 is fixedly connected between the top of the anti-slip base plate 4 and the bottom of the base platform 1. The bottom of the anti-slip base plate 4 has a first anti-slip texture. A limiting component 6 is provided between the raising unit 3 and the base platform 1. Two level bubbles 7, perpendicular to each other, are fixedly connected to both sides of the top of the base platform 1.
[0040] The base platform 1 is rectangular and formed from Q235 steel plate. The clamping component 2 includes a first threaded rod 201 horizontally connected to the base platform 1 at the center of the four sides of the groove 101. The outer end of the first threaded rod 201 is located on the outer side of the base platform 1 and is fixedly connected to a knob 202. The first threaded rod 201 is internally threaded to one side of the push block 203 on one side of the groove 101. A vertically arranged clamping block 204 is fixedly connected to the end of the push block 203 away from the knob 202. The clamping block 204 is provided with a second anti-slip texture on the side away from the knob 202. A guide strip 205 is provided at the bottom of the push block 203. A guide groove 102 is opened at the top of the groove 101 to slide with the guide strip 205.
[0041] A threaded ring 103 is fixedly connected to the bottom of the base platform 1. The raising unit 3 includes a first threaded sleeve 301. The top outer side of the first threaded sleeve 301 is provided with an external thread 302 that mates with the inner thread of the threaded ring 103. A first threaded post 303 is threadedly connected to the inner thread of the first threaded sleeve 301. A first flange 304 is coaxially sleeved on the bottom outer side of the first threaded post 303. A first insert post 305 is coaxially fixedly connected to the bottom of the first threaded post 303. The first insert post 305 is inserted into the center hole of the second flange 307, which is fixedly connected to the top of the second threaded sleeve 306. A first pin 308 is connected between a flange 304 and a second flange 307. A second threaded post 309 is threadedly connected to the inner side of a second threaded sleeve 306. A third flange 310 is coaxially sleeved on the outer side of the bottom of the second threaded post 309. A second insert post 311 is fixedly connected to the bottom of the second threaded post 309. The anti-slip base plate 4 is rectangular. A fourth flange 312 is provided in the center of the anti-slip base plate 4. The second insert post 311 is inserted into the center hole of the fourth flange 312. A second pin 313 is connected between the third flange 310 and the fourth flange 312.
[0042] The limiting component 6 includes a limiting ring 601 fitted to the lower side of the first threaded sleeve 301. Above the limiting ring 601, a sliding ring 602 fitted to the outside of the first threaded sleeve 301 is provided. Two sliding grooves 603 are symmetrically opened on the inner side of the sliding ring 602. A sliding strip 604 that slides and engages with the sliding groove 603 is provided along the axial direction of the outer wall of the first threaded sleeve 301. Two limiting rods 605 are symmetrically and vertically arranged on the top of the sliding ring 602. Insertion holes 606 that engage with the limiting rods 605 are symmetrically arranged at the bottom of the threaded ring 103. The top of the limiting rod 605 is made of metal. A magnet block that magnetically engages with the top of the limiting rod 605 is provided at the bottom of the insertion hole 606.
[0043] An upper connecting seat 104 is provided at the center of each of the four edges of the bottom of the base platform 1. A lower connecting seat 401 is provided at the center of each of the four edges of the top of the anti-slip base plate 4, corresponding to the upper connecting seat 104. The auxiliary stabilizing component 5 includes a connecting sleeve 501. A lower connecting plate 502 is provided at the bottom of the connecting sleeve 501. The lower connecting plate 502 and the lower connecting seat 401 are connected by a third pin 503. A second threaded rod 504 is slidably fitted inside the connecting sleeve 501. A rotating seat 505 is rotatably connected to the top of the second threaded rod 504. An upper connecting plate 506 is provided on the top of the rotating seat 505. The upper connecting plate 506 and the upper connecting seat 104 are connected by a fourth pin 507. A rotating sleeve 508 is fitted and rotatably connected to the top outer side of the connecting sleeve 501. A drive sleeve 509, which is threadedly connected to the second threaded rod 504, is fixedly connected to the upper side of the rotating sleeve 508. Fixing holes 402 are provided at the four corners of the anti-slip base plate 4.
[0044] In actual use: First, assemble the device. Adjust the screw-in distance of the first threaded post 303 and the second threaded post 309 according to the required support height. The first threaded sleeve 301 is connected to the threaded ring 103 via the external thread 302. The lifting unit 3 is vertically fixed using a flange and pin. Then, push the sliding ring 602 upwards, insert the limiting rod 605 into the insertion hole 606, and fix it using magnetic attraction. This prevents the top of the lifting unit 3 from rotating relative to the base platform 1. Next, adjust the height of the auxiliary stabilizing component 5 to provide stable support to the base platform 1 from all four sides. Finally, lower the bottom of the jack. Place the jack into the center of the positioning groove 101, and then rotate the knobs 202 on all four sides to clamp and stabilize the bottom of the jack from all four sides. Place the anti-slip base plate 4 on the non-hardened ground so that the position of the anti-slip base plate 4 can be further fixed through the fixing holes 402 and the pins. The level of the base platform 1 can be adjusted by the fine-tuning auxiliary stabilizing component 5 and the level bubble 7. It should also be noted that the second threaded sleeve 306 and the second threaded post 309 can be flexibly selected according to the support height requirements. When not needed, the first insert post 305 can be directly connected to the fourth flange 312.
[0045] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An adjustable jack raising device, characterized in that, Includes a base platform (1), the top surface of which is provided with a rectangular positioning groove (101) that cooperates with the bottom of the jack, and a clamping component (2) is provided in the groove (101). An adjustable height-increasing unit (3) is connected to the bottom center of the base platform (1). The bottom of the height-increasing unit (3) is fixedly connected to the top center of the anti-slip base plate (4). An auxiliary stabilizing component (5) is fixedly connected between the top of the anti-slip base plate (4) and the bottom of the base platform (1). The bottom of the anti-slip base plate (4) is provided with a first anti-slip texture. A limiting component (6) is provided between the height-increasing unit (3) and the base platform (1).
2. The adjustable jack raising device according to claim 1, characterized in that, The base platform (1) is rectangular and is formed by processing Q235 steel plate; The clamping component (2) includes horizontally arranged at the center of the four sides of the groove (101). A first threaded rod (201) is connected to the base platform (1). The outer end of the first threaded rod (201) is located on the outer side of the base platform (1) and is fixedly connected to a knob (202). The first threaded rod (201) is located on one side of the groove (101) and is internally threaded to one side of the push block (203). The push block (203) is fixedly connected to a vertically arranged clamping block (204) on one end away from the knob (202). The clamping block (204) is provided with a second anti-slip texture on the side away from the knob (202). The bottom of the push block (203) is provided with a guide strip (205), and the top of the groove (101) is provided with a guide groove (102) that slides with the guide strip (205).
3. The adjustable jack raising device according to claim 2, characterized in that, A threaded ring (103) is fixedly connected to the bottom of the base platform (1); The height-increasing unit (3) includes a first threaded sleeve (301). The top outer side is provided with an external thread (302) that mates with the inner thread of the threaded ring (103). The inner thread of the first threaded sleeve (301) is connected to a first threaded post (303). The bottom outer side of the first threaded post (303) is coaxially sleeved with a first flange (304). The bottom of the first threaded post (303) is coaxially fixedly connected with a first insert post (305). The first insert post (305) is inserted into the center hole of the second flange (307) fixedly connected to the top of the second threaded sleeve (306). A first pin (308) is connected between the first flange (304) and the second flange (307). The inner thread of the second threaded sleeve (306) is connected to a second threaded post (309). The bottom outer side of the second threaded post (309) is coaxially sleeved with a third flange (310). The bottom of the second threaded post (309) is fixedly connected with a second insert post (311). The anti-slip base plate (4) is rectangular. A fourth flange (312) is provided in the center of the anti-slip base plate (4). The second insert (311) is inserted into the center hole of the fourth flange (312). A second pin (313) is connected between the third flange (310) and the fourth flange (312).
4. The adjustable jack raising device according to claim 3, characterized in that, The limiting component (6) includes a limiting ring (601) sleeved on the lower side of the first threaded sleeve (301), and a sliding ring (602) sleeved on the outer side of the first threaded sleeve (301) is provided above the limiting ring (601). Two sliding grooves (603) are symmetrically opened on the inner side of the sliding ring (602). A slide bar (604) that slides and engages with the sliding groove (603) is provided along the axial direction of the outer wall of the first threaded sleeve (301). The top of the sliding ring (602) is symmetrically and vertically upward-facing with two limiting rods (605). The bottom of the threaded ring (103) is symmetrically provided with insertion holes (606) that are engaged with the limiting rod (605). The top of the limiting rod (605) is made of metal, and the bottom of the socket (606) is provided with a magnet block that magnetically engages with the top of the limiting rod (605).
5. The adjustable jack raising device according to claim 4, characterized in that, The base platform (1) has an upper connecting seat (104) at the center of the bottom four edges, and the anti-slip base plate (4) has a lower connecting seat (401) at the center of the top four edges corresponding to the upper connecting seat (104). The auxiliary stabilizing component (5) includes a connecting sleeve (501). A lower connecting plate (502) is provided at the bottom end. The lower connecting plate (502) is connected to the lower connecting seat (401) by a third pin (503). A second threaded rod (504) is slidably fitted inside the connecting sleeve (501). A rotating seat (505) is rotatably connected to the top of the second threaded rod (504). An upper connecting plate (506) is provided on the top of the rotating seat (505). The upper connecting plate (506) is connected to the upper connecting seat (104) by a fourth pin (507). A rotating sleeve (508) is sleeved on the top outer side of the connecting sleeve (501) and rotatably connected to it. A driving sleeve (509) that is threadedly connected to the second threaded rod (504) is fixedly connected to the upper side of the rotating sleeve (508).
6. The adjustable jack raising device according to claim 5, characterized in that, The anti-slip base plate (4) has fixing holes (402) at its four corners.
7. The adjustable jack raising device according to claim 1, characterized in that, Two leveling bubbles (7) are fixedly connected to the top two sides of the base platform (1) and are arranged perpendicularly to each other.