Structural model capable of saving lifting force
By designing a structural model that saves lifting force, and utilizing the lever principle and interlocking structure, efficient heavy lifting with low-configuration equipment was achieved, solving the problem of mismatched construction equipment performance, reducing equipment purchase costs and improving construction efficiency.
Patent Information
- Application Number
- CN202520428842.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-12
AI Technical Summary
When the performance of existing construction equipment is not matched with the actual situation, it leads to problems such as slow project progress and increased costs.
Design a structural model that saves lifting force. Utilize the lever principle to amplify the lifting force with a small iron ball, and combine a locking structure and a reset structure to achieve efficient lifting of heavy objects.
Achieving high lifting capacity with low-configuration equipment reduces equipment purchase costs, ensures unimpeded construction, and improves construction efficiency.
Smart Images
Figure CN223956200U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of equipment lifting force, and specifically relates to a structure model saving lifting force. BACKGROUND
[0002] In the engineering construction process, hoisting equipment needs to be used, for example, lifting steel structure, piling machine piling and other lifting equipment are indispensable, but in the construction process, the existing equipment performance and actual situation do not match, at this moment, in preparation equipment, one is to drag the engineering progress, two is to improve the engineering cost, and this kind of problem brings not small trouble to enterprises, therefore, the technical personnel in the field attempt to establish a set of structure model saving lifting force and improving efficiency, and try to solve the problem. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing a structure model saving lifting force, and aims at solving the above technical problems existing in the prior art.
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A structure model saving lifting force, including support structure, the support structure includes bottom plate, the top of the bottom plate is fixedly installed with support frame one and support frame two at the left and right ends close to each other respectively, the top between support frame one and support frame two is provided with folding box girder, the folding box girder includes box girder one and box girder two, the top of adjacent end of box girder one and box girder two is hinged, the upper portion of support frame two is hinged to the box girder two close to the hinge end, the upper portion of support frame one is rotatably connected with fulcrum shaft, the bottom of box girder one is slidably connected with fulcrum shaft, the front or back surface between box girder one and box girder two is provided with lock connecting structure, the locking portion of lock connecting structure is arranged at the hinge end close to box girder two, the unlocking portion of lock connecting structure is arranged at the free end close to box girder two, the top of support structure is provided with reset structure, the folding box girder is arranged below reset structure, and reset structure is provided with lifting structure corresponding to the free end of box girder two;
[0006] The bottom of the two-hinged end of the box girder is hung with a counterweight, the free end of the box girder one is provided with an iron ball, the bottom of the box girder one is provided with a blocking structure, the iron ball keeps the position unchanged through the blocking structure, the iron ball drives the folding box girder to lift the counterweight through the self-gravity of the iron ball to press the free end of the box girder one, the folding box girder is interlocked into a linear structure through the locking structure, the folding box girder is unlocked through the iron ball impacting the unlocking part of the locking structure, and is bent into a V-shaped structure through the counterweight traction, the iron ball enters the reset structure through the lifting structure, and returns to the free end of the box girder one through the reset structure;
[0007] The weight of the counterweight is multiple times of the iron ball.
[0008] In a preferred embodiment of the utility model, the reset structure includes reset slide, reset slide is arranged at the top of folding box girder, the bottom of reset slide is provided with a plurality of connecting columns, a plurality of connecting columns are divided into two groups and are fixedly installed with support frame one and support frame two respectively, the bottom of reset slide and the free end of box girder one are provided with guide pipe, guide pipe extends into the box girder one in folding state.
[0009] In a preferred embodiment of the utility model, the lifting structure includes elevator, the lifting seat is arranged in the vertical direction, and the iron ball is arranged in the lifting seat.
[0010] In a preferred embodiment of the utility model, the reset slide and the lifting seat are provided with driving inclined block.
[0011] In a preferred embodiment of the utility model, the locking structure includes connecting rod, one end of connecting rod is fixedly installed in the hinged end of box girder one, the other end is hinged with one end of follow-up rod, the follow-up rod is externally sleeved with slide sleeve, the slide sleeve is fixedly installed at the bottom end of pulling rod, the top end of pulling rod is hinged with one end of crowbar, the crowbar extends along the length direction of box girder two, the other end is hinged with the bottom end of push rod, the top end of push rod is hinged with the top end of driving rod, the bottom end of driving rod is hinged with the top end of fixed rod, the fixed rod is fixedly installed along the vertical direction near the free end of box girder two, the bottom end of driving rod extends into the inside of box girder two, the parallel rod is hinged between the bottom of push rod and fixed rod, the parallel rod is arranged in parallel with driving rod, and the reset spring is fixedly installed between the bottom end of driving rod and the free end of box girder two.
[0012] The bottom of follow-up rod is provided with lock tooth, and the surface of box girder two is provided with lock block corresponding to the movement track of lock tooth.
[0013] In a preferred embodiment of the utility model, the lock tooth is triangular, the lock block is right-angled trapezoidal, and the inclined surfaces of the lock tooth and the lock block are oppositely arranged.
[0014] In a preferred embodiment of the utility model, the blocking structure comprises an electric telescopic cylinder, the electric telescopic cylinder is fixedly installed at the bottom of the mounting rack, the telescopic shaft end of the electric telescopic cylinder is fixedly installed with the bottom of the baffle, and the baffle is driven to extend into or exit the inside of the box girder one by the electric telescopic cylinder.
[0015] In a preferred embodiment of the utility model, the folding box girder is left high and right low, and the reset slide is left low and right high, and the angles between the reset slide and the horizontal plane are acute.
[0016] In a preferred embodiment of the utility model, the ratio of the distance from the fulcrum shaft to the free end of the box girder one to the distance from the fulcrum shaft to the hinged end of the box girder is not less than the ratio of the weight of the counterweight block to the weight of the iron ball.
[0017] The utility model has the advantages of:
[0018] The utility model designs a set of force amplification structure through the lever principle, realizes the lifting effect of the overloading heavy object of the equipment, achieves the effect of on-site emergency and not hindering construction, simultaneously, through the structure, the lifting force is increased, the function of the high configuration lifting equipment can be realized through the low configuration lifting equipment, so that the cost of equipment purchase can be greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the three-dimensional structure schematic view of the lifting state of the utility model;
[0020] Figure 2 It is the three-dimensional structure schematic view of the lifting state of the utility model;
[0021] Figure 3 It is the full section plane structure schematic view of the utility model;
[0022] Figure 4 It is Figure 3 The enlarged structure schematic view at A.
[0023] Reference numerals in the attached diagram; where: 1. Support structure; 11. Base plate; 12. Support frame one; 13. Support frame two; 14. Pivot shaft; 2. Folding box girder; 21. Box girder one; 22. Box girder two; 3. Reset structure; 31. Guide tube; 32. Reset slide; 33. Connecting column; 34. Drive inclined block; 4. Lifting structure; 41. Lifting machine; 42. Lifting seat; 5. Locking structure; 51. Connecting rod; 52. Locking tooth; 53. Follower rod; 54. Locking block; 55. Sliding sleeve; 56. Pulling rod; 57. Pry bar; 58. Push rod; 59. Parallel rod; 510. Reset spring; 511. Fixed rod; 512. Drive rod; 6. Counterweight; 7. Blocking structure; 71. Electric telescopic cylinder; 72. Mounting frame; 73. Baffle; 8. Iron ball. Detailed Implementation
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.
[0025] Example:
[0026] like Figures 1-4 As shown, this embodiment provides a structural model for saving lifting force, including a support structure 1. The support structure 1 includes a base plate 11. Support frame 12 and support frame 23 are fixedly installed at the top of the base plate 11 near the left and right ends, respectively. A folding box girder 2 is provided between the tops of support frame 12 and support frame 23. The folding box girder 2 includes box girder 11 and box girder 22. The tops of adjacent ends of box girder 11 and box girder 22 are hinged. The upper part of support frame 23 is hinged to box girder 22 near the hinged end. The upper part of 12 is rotatably connected to the fulcrum shaft 14. The bottom of the box girder 21 is slidably connected to the fulcrum shaft 14. A locking structure 5 is provided between the front or back of the box girder 21 and the box girder 22. The locking part of the locking structure 5 is located near the hinge end of the box girder 22. The unlocking part of the locking structure 5 is located near the free end of the box girder 22. A reset structure 3 is provided on the top of the support structure 1. The folding box girder 2 is located below the reset structure 3. A lifting structure 4 is provided at the free end of the reset structure 3 corresponding to the free end of the box girder 22.
[0027] The bottom of the hinged end of the box girder two 22 is hung with a counterweight 6, the free end of the box girder one 21 is provided with an iron ball 8, the bottom of the box girder one 21 is provided with a blocking structure 7, the iron ball 8 is kept in place through the blocking structure 7, the iron ball 8 drives the folding box girder 2 to lift the counterweight 6 by pressing the free end of the box girder one 21 through the gravity of the iron ball 8, the folding box girder 2 is interlocked into a linear structure through the locking structure 5, the folding box girder 2 is unlocked through the unlocking part of the locking structure 5 by the iron ball 8, and is bent into a V-shaped structure through the counterweight 6, the iron ball 8 enters the reset structure 3 through the lifting structure 4, and returns to the free end of the box girder one 21 through the reset structure 3; The weight of the counterweight 6 is multiple times of the weight of the iron ball 8.
[0028] In a preferred embodiment of the utility model, further, the folding box girder 2 is left high and right low, and the reset slide 32 is left low and right high, and the angles with the horizontal plane are acute angles.
[0029] In a preferred embodiment of the utility model, further, the ratio of the distance from the fulcrum shaft 14 to the free end of the box girder one 21 to the distance from the fulcrum shaft 14 to the hinged end of the box girder one 21 is not less than the ratio of the weight of the counterweight 6 to the weight of the iron ball 8.
[0030] Specifically, as shown in the figure, Figures 1-2 The structure model saves lifting force, the gravity of the iron ball 8 is enlarged through the lever principle to lift the object with large weight (the counterweight 6), the iron ball 8 is placed at the free end (the highest point) of the box girder one 21 of the folding box girder 2, the movement of the iron ball 8 is blocked through the blocking structure 7, the free end of the box girder one 21 is pressed down through the gravity of the iron ball 8, the fulcrum shaft 14 is arranged at a suitable position, the iron ball 8 is used to pry the counterweight 6 through the lever principle, at the same time, the box girder one 21 and the box girder two 22 are interlocked into a linear path through the locking structure 5, the counterweight 6 is lifted and hovers, then the iron ball 8 is released through the blocking device, the iron ball 8 rolls from the high point to the low point of the folding box girder 2, and hits the unlocking part of the locking structure 5, the box girder one 21 and the box girder two 22 are unlocked, at the same time, the iron ball 8 enters the lifting structure 4, the folding box girder 2 is bent through the falling of the counterweight 6, the cycle is completed, then the iron ball 8 is lifted to one end of the reset structure 3 through the lifting structure 4, and slides to the other end and is introduced into the free end of the box girder one 21 of the folding box girder 2 again, so as to start the next cycle;
[0031] The position of supporting the box girder one 21 by setting the fulcrum shaft 14, thereby reasonably designing the reasonable lever ratio of the box girder one 21, for example, when the weight of the counterweight block 6 is twice that of the iron ball 8, the ratio of the free end of the box girder one 21 to the hinged end of the fulcrum shaft 14 should be greater than twice, so that the iron ball 8 can pry the counterweight block 6 through the box girder one 21, so that the low-configured hoisting equipment can also hoist the weight exceeding its own capacity. This structural characteristic can be well used in engineering construction. For example, in pile driving engineering, if the impact force of the pile driver is insufficient due to incomplete geological analysis, the force amplification of the low-configured equipment can be used to increase the weight of the hoisted object to increase the impact force of the falling object, thereby achieving on-site emergency and not hindering construction. At the same time, through this structure, the lifting force is increased, and the function of high-configured lifting equipment can be realized by low-configured lifting equipment, thereby greatly reducing the cost of equipment purchase.
[0032] In a preferred embodiment of the utility model, further, the reset structure 3 includes a reset slide 32, the reset slide 32 is arranged directly above the folding box girder 2, a plurality of connecting columns 33 are arranged at the bottom of the reset slide 32, the plurality of connecting columns 33 are divided into two groups and are fixedly installed with the support frame one 12 and the support frame two 13 respectively, a guide pipe 31 is arranged at the bottom of the reset slide 32 and corresponds to the free end of the box girder one 21, and the guide pipe 31 extends into the box girder one 21 in the folding state.
[0033] In a preferred embodiment of the utility model, further, a drive inclined block 34 is arranged in the reset slide 32 and corresponds to the highest point of the lifting seat 42.
[0034] Specifically, as shown in Figure 3 The iron ball 8 is lifted to the reset structure 3 through the lifting structure 4, when the iron ball 8 enters the reset slide 32 from below and reaches the highest point, the inclined surface of the drive inclined block 34 extrudes the iron ball 8, so that the iron ball 8 is extruded out of the lifting seat 42, rolls along the reset slide 32 to the free end of the box girder one 21, and falls to the free end of the box girder one 21 through the guide pipe 31 arranged at the end thereof, and prys the counterweight block 6.
[0035] In a preferred embodiment of the utility model, further, the lifting structure 4 includes a lifting machine 41, the lifting machine 41 is arranged with a lifting seat 42 in the vertical direction, and the iron ball 8 is arranged in the lifting seat 42.
[0036] Specifically, as shown in Figure 3 The lifting machine of the lifting structure 4 can generally adopt a winch, the iron ball 8 is lifted by lifting the lifting seat 42 through the winch, and a groove matching the shape of the iron ball 8 is arranged in the middle of the lifting seat 42, so that the iron ball 8 is more stable when placed.
[0037] In a preferred embodiment of the utility model, further, the lock connecting structure 5 includes connecting rod 51, one end of connecting rod 51 is fixedly installed in the hinged end of box girder one 21, and the other end is hinged with one end of follow-up rod 53, follow-up rod 53 is externally sleeved with sliding sleeve 55, sliding sleeve 55 is fixedly installed at the bottom end of pulling rod 56, the top end of pulling rod 56 is hinged with one end of crowbar 57, crowbar 57 extends along the length direction of box girder two 22, and the other end is hinged with the bottom end of push rod 58, the top end of push rod 58 is hinged with the top end of driving rod 512, the top end of driving rod 512 is hinged with the top end of fixed rod 511 close to the middle part, fixed rod 511 is fixedly installed along the vertical direction close to the free end of box girder two 22, the bottom end of driving rod 512 extends into the inside of box girder two 22, parallel rod 59 is hinged between the bottom of push rod 58 and fixed rod 511, parallel rod 59 is arranged in parallel with driving rod 512, and reset spring 510 is fixedly installed between the bottom end of driving rod 512 and the free end of box girder two 22.
[0038] The bottom of follow-up rod 53 is provided with lock tooth 52, and the surface of box girder two 22 is provided with lock block 54 at the movement track matching lock tooth 52.
[0039] In a preferred embodiment of the utility model, further, lock tooth 52 is triangular, lock block 54 is right trapezoidal, and the inclined surfaces of lock tooth 52 and lock block 54 are oppositely arranged.
[0040] Specifically, as shown in the figure, Figure 4 The free end of box girder one 21 is pressed down by iron ball 8, so that box girder one 21 and box girder two 22 are linked, so that folding box girder 2 is switched to a linear structure, during which, box girder one 21 drives connecting rod 51 to rotate, so as to push follow-up rod 53 with lock tooth 52 to advance, and after turning over lock block 54 fixed on box girder two 22, lock tooth 52 is clamped, so that folding box girder 2 is locked to linear structure, so that iron ball 8 can smoothly slide to the free end of box girder two 22 to impact the bottom end of driving rod 512 of lock connecting structure 5, so that driving rod 512 rotates, so that the parallelogram formed by driving rod 512, fixed rod 511, push rod 58 and parallel rod 59 changes, so that the hinged point of push rod 58 and parallel rod 59 advances to the obliquely downward, so as to drive crowbar 57 to overturn, so as to pull up pulling rod 56 upward, so as to drive follow-up rod 53 and lock tooth 52 in sliding sleeve 55 to go up, so as to unlock box girder one 21 and box girder two 22, folding box girder 2 is bent downward under the gravity of counterweight 6 and finally presents V-shaped structure and is stationary, and then iron ball 8 is lifted by lifting machine 41, and lock connecting structure 5 is reset by reset spring 510 to drive driving rod 512.
[0041] In a preferred embodiment of the utility model, further, the blocking structure 7 includes electric telescopic cylinder 71, electric telescopic cylinder 71 is fixedly installed on the bottom of mounting bracket 72, and the telescopic shaft end of electric telescopic cylinder 71 is fixedly installed with the bottom of baffle 73, and baffle 73 is driven to extend into or exit the inside of box girder one 21 by electric telescopic cylinder 71.
[0042] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A structural model for saving lifting force, comprising a support structure (1), characterized in that: The support structure (1) comprises a bottom plate (11), the top of the bottom plate (11) is fixedly provided with a support frame one (12) and a support frame two (13) at the left and right ends respectively, a folding box girder (2) is arranged between the top of the support frame one (12) and the support frame two (13), the folding box girder (2) comprises a box girder one (21) and a box girder two (22), the top of the adjacent end of the box girder one (21) and the box girder two (22) is hinged, the upper part of the support frame two (13) is hinged to the box girder two (22) close to the hinged end, the upper part of the support frame one (12) is rotatably connected with a fulcrum shaft (14), the bottom of the box girder one (21) is slidably connected with the fulcrum shaft (14), the front or back of the box girder one (21) and the box girder two (22) is provided with a locking structure (5), the locking part of the locking structure (5) is arranged close to the hinged end of the box girder two (22), the unlocking part of the locking structure (5) is arranged close to the free end of the box girder two (22), the top of the support structure (1) is provided with a reset structure (3), the folding box girder (2) is arranged below the reset structure (3), the reset structure (3) is provided with a lifting structure (4) corresponding to the free end of the box girder two (22). The bottom of the hinged end of the box girder two (22) is hung with a counterweight (6), the free end of the box girder one (21) is provided with an iron ball (8), the bottom of the box girder one (21) is provided with a blocking structure (7), the iron ball (8) keeps the position unchanged through the blocking structure (7), the iron ball (8) drives the folding box girder (2) to lift the counterweight (6) by pressing the free end of the box girder one (21) through its own gravity, the folding box girder (2) is interlocked into a linear structure through the locking structure (5), the folding box girder (2) is unlocked by the iron ball (8) impacting the unlocking part of the locking structure (5), and is bent into a V-shaped structure by the counterweight (6), the iron ball (8) enters the reset structure (3) through the lifting structure (4), and returns to the free end of the box girder one (21) through the reset structure (3). The weight of the counterweight (6) is multiple times of the iron ball (8).
2. The force-elevating saving structural model according to claim 1, characterized in that, The reset structure (3) comprises a reset slide (32), the reset slide (32) is arranged directly above the folding box girder (2), the bottom of the reset slide (32) is provided with a plurality of connecting columns (33), the plurality of connecting columns (33) are divided into two groups and are fixedly installed with the support frame one (12) and the support frame two (13) respectively, the bottom of the reset slide (32) and corresponding the free end of the box girder one (21) is provided with a guide pipe (31), the guide pipe (31) extends into the box girder one (21) in the folding state.
3. The force-elevating saving structural model according to claim 2, characterized in that, The lifting structure (4) comprises a lifting machine (41), the lifting machine (41) is provided with a lifting seat (42) in the vertical direction, and the iron ball (8) is arranged in the lifting seat (42).
4. The force-elevation saving structure model according to claim 3, wherein The driving inclined block (34) is arranged in the reset slide (32) and corresponds to the lifting highest point of the lifting seat (42).
5. The force-elevating saving structure model according to claim 3, characterized in that, The lock connecting structure (5) comprises a connecting rod (51), one end of the connecting rod (51) is fixedly installed at the hinged end of the box girder one (21), the other end is hinged with one end of a follower rod (53), the follower rod (53) is externally sleeved with a sliding sleeve (55), the sliding sleeve (55) is fixedly installed at the bottom end of a pulling rod (56), the top end of the pulling rod (56) is hinged with one end of a crowbar (57), the crowbar (57) extends along the length direction of the box girder two (22), the other end is hinged with the bottom end of a push rod (58), the top end of the push rod (58) is hinged with the top end of a driving rod (512), the driving rod (512) is hinged with the top end of a fixed rod (511) near the middle part, the fixed rod (511) is fixedly installed along the vertical direction near the free end of the box girder two (22), the bottom end of the driving rod (512) extends into the box girder two (22), a parallel rod (59) is hinged between the push rod (58) and the fixed rod (511) near the bottom, the parallel rod (59) is arranged in parallel with the driving rod (512), a reset spring (510) is fixedly installed between the bottom end of the driving rod (512) and the free end of the box girder two (22). The bottom of the follower rod (53) is provided with a lock tooth (52), and the surface of the box girder two (22) is provided with a lock block (54) matching the movement track of the lock tooth (52).
6. The force-elevating saving structure model according to claim 5, characterized in that, The lock tooth (52) is triangular, the lock block (54) is a right trapezoid, and the inclined surfaces of the lock tooth (52) and the lock block (54) are oppositely arranged.
7. The force-elevating saving structural model according to claim 1, characterized in that, The blocking structure (7) comprises an electric telescopic cylinder (71), the electric telescopic cylinder (71) is fixedly installed at the bottom of a mounting bracket (72), the telescopic shaft end of the electric telescopic cylinder (71) is fixedly installed with the bottom of a baffle (73), the baffle (73) is driven by the electric telescopic cylinder (71) to extend into or exit the box girder one (21).
8. The force-elevating saving structural model according to claim 2, characterized in that, The folding box girder (2) is left high and right low, and the reset slide (32) is left low and right high, which are arranged at an acute angle with the horizontal plane.
9. The force-elevating saving structural model according to claim 1, characterized in that, The distance from the fulcrum shaft (14) to the free end of the box girder one (21) to the distance from the fulcrum shaft (14) to the hinged end of the box girder one (21) is not less than the weight ratio of the counterweight block (6) to the iron ball (8).