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CN-121990491-A - Screw rod lifting table

CN121990491ACN 121990491 ACN121990491 ACN 121990491ACN-121990491-A

Abstract

The invention provides a screw rod lifting table, and belongs to the technical field of screw rod lifting tables. The screw rod lifting table comprises a base, a shearing fork mechanism, an adjusting mechanism and a top frame, wherein first guide rails are symmetrically arranged on the inner walls of two sides of the base, second guide rails are symmetrically arranged on the inner walls of two sides of the top frame, the adjusting mechanism comprises an adjusting frame, an adjusting rod and a driving motor, the shearing fork mechanism comprises two connecting shafts which are symmetrically arranged and are fixed on the front side and the rear side of the adjusting frame, a first shearing fork frame and a second shearing fork frame, the bottom end of the first shearing fork frame is hinged to the inner side wall of the base through two first connecting pieces, and the top end of the first shearing fork frame is slidably arranged on the second guide rails through two second connecting pieces. The invention has the advantage of automatic uniform lifting.

Inventors

  • ZHAO RIXIN
  • Shao Wenlei
  • ZHANG WENTAO
  • WANG DI
  • WANG MIN
  • KE ZHIJIAN
  • DU CHEN

Assignees

  • 平湖立申工业科技有限公司

Dates

Publication Date
20260508
Application Date
20251222

Claims (7)

  1. 1. The screw rod lifting table is characterized by comprising a base (2), a shearing fork mechanism, an adjusting mechanism and a top frame (3), wherein first guide rails (21) are symmetrically arranged on the inner walls of two sides of the base (2), and second guide rails (31) are symmetrically arranged on the inner walls of two sides of the top frame (3); The adjusting mechanism comprises an adjusting frame (41), an adjusting rod (42) and a driving motor (43), wherein the adjusting mechanism comprises two connecting shafts (51) which are symmetrically arranged and fixed on the front side and the rear side of the adjusting frame (41), a first shearing fork frame (52) and a second shearing fork frame (53), the bottom end of the first shearing fork frame (52) is hinged to the inner side wall of a base (2) through two first connecting pieces, the top end of the first shearing fork frame (52) is arranged on a second guide rail (31) in a sliding manner through two second connecting pieces, the top end of the second shearing fork frame (53) is hinged to the inner side wall of a top frame (3) through two third connecting pieces, the bottom end of the second shearing fork frame (53) is arranged on a first guide rail (21) in a sliding manner through two fourth connecting pieces, the adjusting frame (41) is positioned in the frame bodies of the first shearing fork frame (52) and the second shearing fork frame (53), the first shearing fork frame (52) is connected with the second shearing fork frame (53) through the two connecting shafts (51), the top end of each second shearing fork frame (52) is connected with the driving motor (43) in a sliding manner, and the driving motor (43) is fixedly connected to the right side of the adjusting shaft (41) through the adjusting shaft (41), the screw rod (62) sequentially penetrates through the adjusting frame (41) and the adjusting rod (42), and two ends of the adjusting rod (42) are abutted against the first shearing fork frame (52) and the second shearing fork frame (53).
  2. 2. The screw rod lifting table according to claim 1, wherein the first connecting pieces are first hinging seats (71), each first hinging seat (71) is hinged to two sides of the bottom end of the first shearing fork frame (52), the second connecting pieces are second hinging seats (72), the second hinging seats (72) are fixed to the bottom of the top frame (3), the second hinging seats (72) are slidably arranged on the first guide rail (21), and two sides of the top end of the first shearing fork frame (52) are connected with the second hinging seats (72).
  3. 3. The screw lifting table according to claim 1, wherein the third connecting pieces are third hinging seats (73), each third hinging seat (73) is hinged to two sides of the top end of the second shearing fork frame (53), the fourth connecting piece is a fourth hinging seat (74), the fourth hinging seat (74) is fixed on the base (2), the fourth hinging seat (74) is slidably matched with the first guide rail (21), and two sides of the bottom end of the second shearing fork frame (53) are connected with the fourth hinging seat (74).
  4. 4. The screw lifting table according to claim 1, wherein the adjusting mechanism further comprises two telescopic assemblies symmetrically arranged on two sides of the driving motor (43), each telescopic assembly comprises a telescopic rod (81), each telescopic rod (81) sequentially penetrates through the adjusting frame (41) and the adjusting rod (42) and moves synchronously with the screw (62), and the moving direction of each telescopic rod (81) is parallel to the screw (62).
  5. 5. A screw lifting platform according to claim 1, characterized in that the first guide rail (21) is parallel to the direction of movement of the second guide rail (31).
  6. 6. A screw lifting platform according to claim 1, characterized in that both ends of the base (2) are provided with bars (82) for blocking the bottom ends of the first scissors (52) and the bottom ends of the second scissors (53).
  7. 7. A screw lifting platform according to claim 1, characterized in that the top frame (3) is also symmetrically provided with pull ring parts (83).

Description

Screw rod lifting table Technical Field The invention belongs to the technical field of screw rod lifting platforms, and particularly relates to a screw rod lifting platform. Background The screw rod driving lifting table can be widely used in various industries such as machinery, metallurgy, construction, chemical industry, medical treatment, cultural sanitation and the like. The lifting or pushing height can be accurately controlled and regulated according to a certain program, and the lifting or pushing device can be directly driven by a motor or other power, and can also be manually driven. However, the existing screw rod lifter is difficult to lift at a uniform speed, and is easy to cause the phenomena of jamming and pause. Disclosure of Invention The invention aims to solve the problems in the prior art, and provides a screw rod lifting table which has the advantage of automatic uniform lifting. The screw rod lifting table comprises a base, a shearing fork mechanism, an adjusting mechanism and a top frame, wherein first guide rails are symmetrically arranged on the inner walls of the two sides of the base, and second guide rails are symmetrically arranged on the inner walls of the two sides of the top frame; The adjusting mechanism comprises an adjusting frame, an adjusting rod and a driving motor, wherein the two connecting shafts, a first shearing fork frame and a second shearing fork frame are symmetrically arranged and fixed on the front side and the rear side of the adjusting frame, the bottom end of the first shearing fork frame is hinged to the inner side wall of a base through two first connecting pieces, the top end of the first shearing fork frame is slidably arranged on a second guide rail through two second connecting pieces, the top end of the second shearing fork frame is hinged to the inner side wall of a top frame through two third connecting pieces, the bottom end of the second shearing fork frame is slidably arranged on the first guide rail through two fourth connecting pieces, the adjusting frame is located in the frame body of the first shearing fork frame and the second shearing fork frame, the first shearing fork frame is connected with the second shearing fork frame through two connecting shafts, one end of each connecting shaft, which is inwards is fixed with the adjusting frame, the driving motor is mounted on the left side of the adjusting frame, the right side of the adjusting frame is fixedly provided with the adjusting rod, and the output shaft of the driving motor is connected with a lead screw which sequentially passes through the adjusting rod and abuts against the two ends of the adjusting rod and the second shearing fork frame. Preferably, the first connecting pieces are first hinging seats, each first hinging seat is hinged with two sides of the bottom end of the first shearing fork frame, the second connecting pieces are second hinging seats, the second hinging seats are fixed at the bottom of the top frame, the second hinging seats are arranged on the first guide rail in a sliding mode, and two sides of the top end of the first shearing fork frame are connected with the second hinging seats. Preferably, the third connecting pieces are third hinging seats, each third hinging seat is hinged with two sides of the top end of the second shearing fork frame, the fourth connecting pieces are fourth hinging seats, the fourth hinging seats are fixed on the base, the fourth hinging seats are in sliding fit with the first guide rails, and two sides of the bottom end of the second shearing fork frame are connected with the fourth hinging seats. Preferably, the adjusting mechanism further comprises two telescopic components symmetrically arranged on two sides of the driving motor, each telescopic component comprises a telescopic rod, each telescopic rod sequentially penetrates through the adjusting frame and the adjusting rod and synchronously moves with the screw rod, and the moving direction of each telescopic rod is parallel to the screw rod. Preferably, the first guide rail is parallel to the moving direction of the second guide rail. Preferably, both ends of the base are provided with stop rods for blocking the bottom ends of the first shearing fork frame and the bottom ends of the second shearing fork frame. Preferably, pull ring parts are symmetrically arranged on the top frame. Compared with the prior art, the device has the advantages that through the cooperation between the adjusting mechanism and the shearing fork mechanism, the clamping angles of the first shearing fork frame and the second shearing fork frame are driven to be larger or smaller in a full-automatic mode, so that the lifting effect of the device body is achieved, the device is convenient to automatically lift at a uniform speed, and the practicability is higher. Drawings Fig. 1 is a structural diagram of the present invention. Fig. 2 is a front view of the present invention. Fig. 3 is a top view of th