Search

CN-121990487-A - Foldable jack suitable for narrow space and control method

CN121990487ACN 121990487 ACN121990487 ACN 121990487ACN-121990487-A

Abstract

The invention belongs to the technical field of jack devices, and discloses a foldable jack suitable for a narrow space and a control method, the foldable jack comprises a jack component, the jack component comprises a base, the upper end of the base is fixedly connected with a driving piece, the operating end of the driving piece is inserted with a rocker, the side end of the driving piece is fixedly connected with a group of connecting pipes, the invention is characterized in that the jack component is matched with a linkage wedge block component, a hydraulic push rod in the jack component stretches to push the wedge block to move, the wedge-shaped jacking block drives the horizontal sliding block to slide along the horizontal sliding groove, and then the wedge-shaped clamping block is pushed to synchronously push, so that linkage displacement of the jack assembly and the linkage wedge-shaped block assembly is realized, the cushion block does not need to be placed and adjusted manually, synchronous pushing or retracting along with the jack can be realized, flexible switching of two operation modes can be realized, short-term jacking of an adaptation single point and long-term supporting of different scenes at multiple points are realized, and suitability and utilization rate of equipment are improved.

Inventors

  • LU LEI
  • SHEN SHUIQIN
  • SHEN YIFEI

Assignees

  • 嘉兴信泰液压科技有限公司

Dates

Publication Date
20260508
Application Date
20260227

Claims (10)

  1. 1. The utility model provides a collapsible jack suitable for narrow space, includes jack subassembly (1), jack subassembly (1) includes base (10), the upper end fixedly connected with driving piece (11) of base (10), peg graft there is rocker (12) driving piece (11) the operation end, the side fixedly connected with of driving piece (11) a set of connecting pipe (13), the one end intercommunication that driving piece (11) was kept away from to connecting pipe (13) has hydraulic push rod (14), the output fixedly connected with of hydraulic push rod (14) is used for the wedge kicking block (15) of horizontal propulsion and lifting object, its characterized in that still includes: the linkage wedge block assembly (2), linkage wedge block assembly (2) set up the side at jack subassembly (1), linkage wedge block assembly (2) are including the horizontal flexible loop bar (20) of symmetry installation in wedge kicking block (15) both sides, the expansion end fixedly connected with of horizontal flexible loop bar (20) can be along with wedge kicking block (15) linkage propulsive wedge fixture block (21).
  2. 2. The foldable jack suitable for narrow spaces according to claim 1, further comprising a detachable connection assembly (3), wherein the detachable connection assembly (3) is installed at the joint of the jack assembly (1) and the linkage wedge block assembly (2), the detachable connection assembly (3) comprises horizontal sliding blocks (30) fixedly connected to two sides of the wedge-shaped jacking block (15), the upper end of the horizontal sliding blocks (30) is fixedly connected with protruding lug blocks (31), and the fixed end of the transverse telescopic loop bar (20) is fixedly connected with a loop bar base (33).
  3. 3. The foldable jack suitable for narrow spaces as claimed in claim 2, wherein a plurality of coaxially communicated threaded holes (34) are respectively formed in the loop bar base (33) and the protruding lug blocks (31), locking screws (32) are connected in the threaded holes (34) in a threaded mode, and the locking screws (32) are used for achieving detachable fixing of the loop bar base (33) and the protruding lug blocks (31).
  4. 4. The foldable jack of claim 3, wherein the horizontal sliding grooves (35) with guiding function are symmetrically arranged on two sides of the base (10), and the horizontal sliding blocks (30) are in sliding fit with the horizontal sliding grooves (35) on the corresponding sides.
  5. 5. The foldable jack suitable for narrow spaces according to claim 1, further comprising an anti-lost nut assembly (4), wherein the anti-lost nut assembly (4) is arranged at the locking end of the detachable connection assembly (3), the anti-lost nut assembly (4) comprises a hollow annular block (40) fixedly connected to the side end of the protruding lug block (31), a plurality of folding linkage rods (42) are rotatably connected to the inner side wall of the hollow annular block (40), the folding linkage rods (42) are distributed in an annular equidistant mode, and rotating shafts (45) are hinged to the rotating positions of the folding linkage rods (42).
  6. 6. The foldable jack for narrow spaces according to claim 5, wherein a nut (43) with a locking function is rotatably connected to an end of the folding linkage rod (42) away from the hollow ring block (40), and the nut (43) is in threaded connection with an end of the locking screw (32) away from the loop bar base (33).
  7. 7. The foldable jack of claim 6, wherein the inner side wall of the hollow ring block (40) is provided with an annular chute (44) with a limiting function, one end of the folding linkage rod (42) close to the hollow ring block (40) is fixedly connected with a ring-moving bottom block (41), and the ring-moving bottom block (41) is in sliding connection with the annular chute (44).
  8. 8. The foldable jack suitable for narrow spaces according to claim 1, further comprising an auxiliary propulsion assembly (5), wherein the auxiliary propulsion assembly (5) is arranged at the lower end of the wedge-shaped clamping block (21), the auxiliary propulsion assembly (5) comprises a strip-shaped groove (51) formed in the bottom of the wedge-shaped clamping block (21), a plurality of rolling wheels (52) are rotatably connected between the left inner side wall and the right inner side wall of the strip-shaped groove (51) and used for reducing friction force in the displacement process of the wedge-shaped clamping block (21), and the rolling wheels (52) are horizontally and equidistantly distributed along the length direction of the strip-shaped groove (51).
  9. 9. The foldable jack for narrow spaces according to claim 1, wherein the upper end of the base (10) is rotatably connected with a cover plate (16) positioned above the wedge-shaped jacking block (15), and the bearing surface of the wedge-shaped clamping block (21) is fixedly connected with a plurality of equidistant anti-slip raised strips (22).
  10. 10. A control method of a foldable jack suitable for a narrow space, applied to a foldable jack suitable for a narrow space as claimed in any one of claims 1 to 9, characterized in that: The method comprises the following steps of S1, deploying a device, placing a base (10) at a target position, rotating a cover plate (16) to an open state, penetrating a loop bar base (33) and threaded holes (34) of a protruding lug block (31) through a locking screw (32), and locking by matching with an anti-lost nut component (4) to complete the assembly and fixation of a jack component (1) and a linkage wedge block component (2); S2, power driving, namely shaking the rocker (12) to enable the driving piece (11) to generate power, transmitting the power to the hydraulic push rod (14) through the connecting pipe (13), and enabling the hydraulic push rod (14) to extend to push the wedge-shaped top block (15) to move so as to drive the horizontal sliding block (30) to slide and guide along the horizontal sliding groove (35); s3, synchronously jacking, wherein the horizontal sliding block (30) drives the transverse telescopic sleeve rod (20) to extend through the connecting piece, and pushes the wedge-shaped clamping block (21) to be pushed in an auxiliary mode through the rolling wheel (52), so that the wedge-shaped clamping block is synchronously inserted into a target gap, and the anti-slip convex strips (22) are attached to the contact surface to realize stable support; S4, separating, accommodating and retaining, namely, operating in two modes, namely, reversely rocking the rocker (12), shrinking the hydraulic push rod (14) to drive each part to reset, enabling the wedge-shaped clamping block (21) to exit a gap, folding and accommodating the rotary cover plate (16), reducing the volume, facilitating carrying, and retracting and resetting the whole equipment, namely, after the wedge-shaped clamping block (21) is stably supported, unlocking the locking screw (32) to split the two components, wherein the wedge-shaped clamping block (21) is used for retaining and bearing, the jack component (1) is used for transferring and multiplexing, and the wedge-shaped clamping block (21) can be used for splitting and retaining and multiplexing.

Description

Foldable jack suitable for narrow space and control method Technical Field The invention belongs to the technical field of jack devices, and particularly relates to a foldable jack suitable for a narrow space and a control method. Background The jack is a commonly used lifting and jacking tool, is widely applied to various scenes such as industrial installation, bridge maintenance, vehicle rush repair, rescue and the like, and is used for carrying out short-distance lifting, leveling or supporting operation on heavy objects. The existing jack is designed based on the principle of hydraulic transmission or spiral transmission and mainly comprises a base, a driving piece, a power transmission structure, a push rod and a top block, wherein a part of the jack is matched with a manual operation rocker, the manual operation rocker is used for driving the internal transmission structure to operate, so that the driving piece generates power, the power is transmitted to the push rod through the power transmission structure to push the top block to axially lift and lower, and then the lifting and supporting of a target object are realized For example, publication number CN 119750427A's a wedge hydraulic jack, concretely relates to jack technical field, including the base, be provided with jacking subassembly on the base, jacking subassembly is including setting up the sealed transfer frame of strengthening at the base middle part, and one side of strengthening sealed transfer frame is provided with the guide cylinder, strengthens conveyer pipe and second through the mode of sealing baffle displacement and strengthens the conveyer pipe and shutoff, can effectually avoid fluid to appear the phenomenon of backward flow when carrying, guarantees to strengthen the stability when triangular jacking piece supports the work piece. Above-mentioned scheme is although can effectually avoid the fluid in the jack use to appear the phenomenon of backward flow when carrying, in narrow space jacking operation, current jack is single jacking structure more, lack with self synchronous linkage's cushion subassembly, supporting cushion is independent split type does not have special linkage transmission and guide structure, lead to the cushion to need artifical supplementary placing and adjustment, can't advance in step or withdraw along with the jack, positioning accuracy is low, easy skew dislocation, the operating efficiency is low, and manual operation is limited in the narrow space. Disclosure of Invention In order to solve the problem that the existing jack provided in the background art is of a single lifting structure and lacks a cushion block assembly synchronously linked with the existing jack, the invention provides a foldable jack suitable for a narrow space and a control method. In order to achieve the above purpose, the invention provides the technical scheme that the foldable jack suitable for the narrow space comprises a jack component, wherein the jack component comprises a base, the upper end of the base is fixedly connected with a driving piece, the operation end of the driving piece is inserted with a rocker, the side end of the driving piece is fixedly connected with a group of connecting pipes, one end of the connecting pipe far away from the driving piece is communicated with a hydraulic push rod, and the output end of the hydraulic push rod is fixedly connected with a wedge-shaped top block for horizontally pushing and lifting an object, and the foldable jack further comprises: The linkage wedge block assembly is arranged at the side end of the jack assembly and comprises transverse telescopic loop bars symmetrically arranged at two sides of the wedge-shaped jacking block, and the movable end of the transverse telescopic loop bar is fixedly connected with a wedge-shaped clamping block capable of being pushed along with the wedge-shaped jacking block in a linkage manner. Preferably, the telescopic lifting jack further comprises a detachable connecting assembly, wherein the detachable connecting assembly is arranged at the joint of the lifting jack assembly and the linkage wedge block assembly, the detachable connecting assembly comprises horizontal sliding blocks fixedly connected to two sides of the wedge-shaped top block, the upper ends of the horizontal sliding blocks are fixedly connected with protruding lug blocks, and the fixed ends of the transverse telescopic loop bars are fixedly connected with loop bar bases. Preferably, a plurality of coaxially communicated threaded holes are respectively formed in the loop bar base and the protruding lug, a locking screw is connected in the threaded holes in a threaded mode, and the locking screw is used for achieving detachable fixation of the loop bar base and the protruding lug. Preferably, the two sides of the base are symmetrically provided with horizontal sliding grooves with guiding functions, and the horizontal sliding blocks are in sliding fit with the horizon