CN218708897U - Guide rail type screw rod lifting platform - Google Patents

Abstract

The utility model discloses a guide tracked lead screw lift platform, which comprises a base, the last lateral wall fixedly connected with motor of base, the vertical fixedly connected with lead screw that makes progress of drive end of motor, the outer wall threaded connection of lead screw has the platform, the last lateral wall of base is fixed with the guide rail that two symmetries set up in the lead screw outside, the tip sliding sleeve of platform is established on the outer wall of guide rail, every all be equipped with protection device between guide rail and the base. The utility model discloses a rotate at the lead screw and drive the platform and go up and down to carry out the rolling of rope in step, and block the ratchet through the pawl, prevent ratchet and reel rotation and carry out the expansion of rope, when the lead screw damage appears, the rope can't expand, prevent that the platform moves down, guaranteed the stability after the platform goes up and down, the security is higher.

Description

Guide rail type screw rod lifting platform

Technical Field

The utility model relates to a lift platform technical field especially relates to a guide tracked lead screw lift platform.

Background

The lifting platform is multifunctional hoisting, loading and unloading mechanical equipment, and the screw rod lifting platform mainly realizes the lifting work of the platform by converting rotary motion into linear motion to drive the platform to move up and down. The prior art CN206172895U discloses a screw lifting platform for a workshop, which comprises a foundation, a left support, a right support, a top support plate, a motor, a speed reducer, a screw nut and a working platform; the left support and the right support are fixed on a foundation, and the top support plate is fixed at the tops of the left support and the right support; the motor, the speed reducer and the screw rod are sequentially connected in a transmission manner, the speed reducer is fixed on the upper surface of the top supporting plate, the screw rod penetrates through a hole formed in the top supporting plate, and the bottom end of the screw rod is movably connected with the foundation; the screw rod nut is connected to the screw rod through threads; the working platform is fixed on the screw rod nut; however, the platform is short of a falling-off prevention device for protection, and the platform can fall off to cause safety accidents under the conditions that the friction coefficient between the platform and the screw rod is too small and the screw rod is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing lifting platform lacks the anti-falling device, and the safety is relatively poor, and the guide tracked lead screw lifting platform that proposes.

In order to solve the technical problem, the utility model discloses a technical scheme be:

guide tracked lead screw lift platform, which comprises a base, the last lateral wall fixedly connected with motor of base, the vertical fixedly connected with lead screw that makes progress of drive end of motor, the outer wall threaded connection of lead screw has the platform, the last lateral wall of base is fixed with the guide rail that two symmetries set up in the lead screw outside, the tip slip cap of platform is established on the outer wall of guide rail, every all be equipped with protection device between guide rail and the base, protection device is including installing the fixed pulley in the guide rail upper end and fixing the motor on the base outer wall, the drive end of motor is fixed with ratchet and reel in proper order, the winding has the rope on the reel, the last lateral wall fixed connection of fixed pulley and platform is walked around to the other end of rope, the last lateral wall of base is fixed with the riser that is located every ratchet inboard, it is used for preventing the ratchet toward inboard pivoted pawl to rotate to be connected with on the riser, fixedly connected with electric putter on the outer wall of base, the vertical fixedly connected with U type pole that makes progress of electric putter, the both ends of U type pole are located the downside of two pawls respectively, the equal threaded connection of both sides outer wall of platform has the gag lever, two recesses have seted up the lower lateral wall of base, every the equal fixed drive end of recess is equipped with the drive end of two equal fixed connection of oil cylinder and the connecting rod both ends of connecting rod are all install the connecting rod downward connecting rod.

In order to better solve the technical problem, the utility model discloses a further technical scheme be: the non-slip block is composed of a metal block on the upper side and a rubber plate fixedly connected on the lower side, the metal block is made of stainless steel, and saw teeth are arranged on the lower side wall of the rubber plate.

The utility model has the advantages that: through rotating at the lead screw and driving the platform and go up and down to carry out the rolling of rope in step, and block the ratchet through the pawl, prevent ratchet and reel rotation and carry out the expansion of rope, when the damage appears in the lead screw, the rope can't expand, prevents that the platform from moving down, has guaranteed the stability after the platform goes up and down, and the security is higher.

Drawings

Fig. 1 is a schematic structural view of a guide rail type lead screw lifting platform provided by the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a base 1, a motor 2, a screw rod 3, a guide rail 4, a platform 5, a limiting rod 6, a ratchet wheel 7, a reel 8, a rope 9, a fixed pulley 10, a vertical plate 11, a pawl 12, an electric push rod 13, a U-shaped rod 14, an anti-skid block 15, a roller 16 and an oil cylinder 17.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-2, guide tracked lead screw lift platform, including base 1, the last lateral wall fixedly connected with motor 2 of base 1, the vertical upwards fixedly connected with lead screw 3 of drive end of motor 2, the outer wall threaded connection of lead screw 3 has platform 5, the equal threaded connection of both sides outer wall of platform 5 has gag lever post 6, motor 2 drives lead screw 3 and rotates, through the threaded connection realization platform 5 of platform 5 with lead screw 3 reciprocate, the article that will promote is placed on platform 5, screw in gag lever post 6 contacts with the outer wall of article, prevent the removal of article, guarantee the stability of article at the promotion in-process. The upper side wall of base 1 is fixed with two symmetries and sets up guide rail 4 in the lead screw 3 outside, and the tip sliding sleeve of platform 5 is established on the outer wall of guide rail 4, and platform 5 reciprocates the in-process and slides along guide rail 4's outer wall, and guide rail 4 plays the guide effect, and platform 5's upper and lower slip is more stable. A protection device is arranged between each guide rail 4 and the base 1, the protection device comprises a fixed pulley 10 installed at the upper end of each guide rail 4 and a motor fixed on the outer wall of the base 1, a ratchet 7 and a reel 8 are sequentially fixed at the driving end of the motor, a rope 9 is wound on the reel 8, the other end of the rope 9 bypasses the fixed pulley 10 and is fixedly connected with the upper side wall of the platform 5, a vertical plate 11 located on the inner side of each ratchet 7 is fixed on the upper side wall of the base 1, a pawl 12 used for preventing the ratchet 7 from rotating towards the inner side is rotatably connected to the vertical plate 11, when the motor 2 drives the lead screw 3 to rotate to realize the ascending of the platform 5, the motor is started to drive the ratchet 7 and the reel 8 to rotate simultaneously, the ratchet 7 carries out rolling motion of the rope 9 (at the moment, the ratchet 7 stirs the pawl 12 to rotate upwards, so that the ratchet 7 can normally rotate), the platform 5 is pulled by the other end of the rope 9 to move upwards, so that the rope 9 is in a tightened state, the motor 2 is synchronously closed, when the platform 5 has a tendency of falling downwards, the end of the rope 9 moves downwards, the rope 9 and the outer wall of the rope 7 can not resist the rope 7 to move towards the outer wall of the reel 7, but the rope 7 and the rope 7 can not rotate, and the rope 7 can not resist the rope 7 to rotate, and can not to rotate, when the rope 7 can continue to move towards the platform 5. Fixedly connected with electric putter 13 on the outer wall of base 1, the vertical upwards fixedly connected with U type pole 14 of drive end of electric putter 13, the both ends of U type pole 14 are located the downside of two pawls 12 respectively, when needing to carry out the decline of platform 5, the drive end of electric putter 13 stretches out, jack-up pawl 12 up, relieve the restriction of pawl 12 to ratchet 7, the motor drives reel 8 and ratchet 7 and rotates towards the inboard of base 1 this moment, motor 2 drives the reversal of lead screw 3 simultaneously, rope 9 expandes this moment, platform 5 can slide down under the drive of lead screw 3, move down and accomplish the back, the drive end of electric putter 13 is withdrawed, motor 2 and motor are closed. Two recesses have been seted up to base 1's lower lateral wall, the equal fixed two hydro-cylinders 17 that are equipped with of inlaying of interior roof of every recess, the vertical downward fixedly connected with connecting rod of drive end and non slipping spur 15 of two hydro-cylinders 17, gyro wheel 16 is all installed at the both ends of connecting rod, non slipping spur 15 comprises the metal block of upside and the rubber slab fixed connection of downside, the metal block adopts the stainless steel, the lower lateral wall of rubber slab is provided with the sawtooth, when carrying out base 1's removal, an hydro-cylinder 17 in the recess drives gyro wheel 16 earlier and stretches out, another hydro-cylinder 17 drives non slipping spur 15 again and withdraws to the recess in, gyro wheel 16 and ground contact this moment, can carry out base 1's removal work, when base 1 removes the end, an hydro-cylinder 17 drives non slipping spur 15 earlier and stretches out, another hydro-cylinder 17 drives gyro wheel 16 again and withdraws, non slipping spur 15 and ground contact this moment, base 1 has been guaranteed to place stably.

Claims (2)

1. Guide tracked lead screw lift platform, including base (1), the last side wall fixedly connected with motor (2) of base (1), the vertical upwards fixedly connected with lead screw (3) of drive end of motor (2), the outer wall threaded connection of lead screw (3) has platform (5), its characterized in that, the last side wall of base (1) is fixed with two symmetries and sets up guide rail (4) in the lead screw (3) outside, the tip slip cap of platform (5) is established on the outer wall of guide rail (4), every all be equipped with protection device between guide rail (4) and base (1), protection device is including installing fixed pulley (10) of guide rail (4) upper end and fixing the motor on base (1) outer wall, the drive end of motor is fixed with ratchet (7) and reel (8) in proper order, the winding has rope (9) on reel (8), the other end of rope (9) is walked around fixed pulley (10) and the last side wall fixed connection of platform (5), the last side wall fixed connection of base (1) is fixed with be located ratchet (7) inboard (11), the last side wall of ratchet (11) is used for the push rod (12) that the outer wall of each ratchet (7) is connected with the rotation of pawl (12) up the fixed connection of the vertical pole (12), the vertical upwards fixedly connected with U type pole (14) of drive end of electric putter (13), the both ends of U type pole (14) are located the downside of two pawl (12) respectively, the equal threaded connection in both sides outer wall of platform (5) has gag lever post (6), two recesses, every have been seted up to the lower lateral wall of base (1) the equal fixed embedding of interior roof of recess is equipped with two hydro-cylinders (17), two the vertical downward fixedly connected with connecting rod of drive end and non slipping spur (15) of hydro-cylinder (17), gyro wheel (16) are all installed at the both ends of connecting rod.

2. The guide rail type screw lifting platform according to claim 1, wherein the anti-skid block (15) is formed by fixedly connecting an upper metal block and a lower rubber plate, the metal block is made of stainless steel, and the lower side wall of the rubber plate is provided with saw teeth.

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