CN213011791U

CN213011791U - Double-screw synchronous lifter with good stability

Info

Publication number: CN213011791U
Application number: CN202021645114.9U
Authority: CN
Inventors: 黄大为; 成涛; 谢经坤; 张跃
Original assignee: Jinan Dayi Extrusion Machinery Co ltd
Current assignee: Jinan Dayi Extrusion Machinery Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-20
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a good two lead screw synchronous lift of stability, the on-line screen storage device comprises a base, base top surface four corners is fixed mounting montant respectively, through a connecting plate fixed connection between the top of four montants, the vertical lead screw of top surface both sides difference movable mounting of base, the connecting plate is all passed on the top of two lead screws, the top fixed mounting driven sprocket of every lead screw, the top surface fixed mounting motor of connecting plate, the output shaft top fixed mounting drive sprocket of motor, through a chain swing joint between drive sprocket and two driven sprockets. Through the utility model discloses can in use stability better, the backup pad is steady in upwards or the lapse promptly to lead screw and screw itself have auto-lock nature, can avoid the backup pad to drop, and when the wearing and tearing condition appears with the screw at the lead screw, can support the backup pad through electric telescopic handle, avoid at the lift in-process, take place danger, then, make the backup pad descend to the lower extreme, can maintain or change lead screw, screw.

Description

Double-screw synchronous lifter with good stability

Technical Field

The utility model belongs to the technical field of the lift, specifically speaking is a synchronous lift of two lead screws that stability is good.

Background

At present, a plurality of scissor mechanisms are adopted by the lifter, the lifting process of the lifter of the scissor mechanism is unstable, the lifting speed is low, and therefore the lifter is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a good two lead screw synchronous elevator of stability for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a double-screw synchronous elevator with good stability comprises a base, wherein vertical rods are fixedly installed at four corners of the top surface of the base respectively, the top ends of the four vertical rods are fixedly connected through a connecting plate, vertical screw rods are movably installed at two sides of the top surface of the base respectively, the top ends of the two screw rods penetrate through the connecting plate, a driven sprocket is fixedly installed at the top end of each screw rod, a motor is fixedly installed at the top surface of the connecting plate, a driving sprocket is fixedly installed at the top end of an output shaft of the motor, the driving sprocket is movably connected with the two driven sprockets through a chain, a nut is matched with each screw rod, the two nuts are fixedly connected through a supporting plate, a group of sliding groove groups are respectively arranged at two sides of the top surface of the base, each group of sliding grooves consists of two sliding grooves and two sliding blocks, the two sliding grooves in each group of sliding grooves are, the top surface of each sliding block is hinged with one end of a sleeve rod of an electric telescopic rod, one end of a movable rod of each electric telescopic rod is hinged with the center of the bottom surface of a connecting support plate, the tops of two sliding blocks in the same sliding groove group are fixedly connected through a fixed rod, the top surface of the base is matched with a locking device, and the locking device can control the movement of the two fixed rods.

As above a good two lead screw synchronous elevator of stability, locking means by fixed mounting in the bearing frame at base top surface middle part, two screw rods that the screw thread is opposite, first bevel gear, the second bevel gear, the connecting block constitutes, the connecting block is installed on the bearing inner ring inner wall of bearing frame, two screw rods are located the both sides of connecting block respectively and with connecting block fixed connection, first bevel gear fixed mounting is in the one end that is located left screw rod, second bevel gear fixed mounting is on the bottom of left lead screw, the screw is seted up to one side of every dead lever, every screw rod can pass a corresponding screw and with screw thread fit.

According to the double-screw synchronous lifter with good stability, the supporting block is movably mounted at one end of the screw rod positioned on the right side, and the bottom end of the supporting block is fixedly connected with the top surface of the base.

According to the synchronous elevator with the double screw rods and the good stability, the diameter of the connecting block is larger than that of the screw rod.

According to the double-screw synchronous elevator with good stability, the front end and the rear end of the top surface of the supporting plate are respectively and fixedly provided with the guardrail.

According to the double-screw synchronous elevator with good stability, the section of the sliding groove is dovetail-shaped, and the section of the sliding block is dovetail-shaped.

The utility model has the advantages that: when the goods need to be lifted, the goods are placed on the supporting plate, the motor works to drive the driving sprocket to rotate, the driving sprocket is connected with the driven sprocket through a chain to drive the two driven sprockets to rotate, the driven sprocket is fixedly connected with the lead screw to drive the lead screw to rotate, the lead screw is in threaded fit with the screw nut, the screw nut is fixedly connected with the supporting plate to drive the supporting plate to move upwards, meanwhile, the locking device controls the two fixing rods to move relatively to drive the two sliders in the same group of sliders to move towards the center of the base, so that the electric telescopic rod is changed from an inclined state to a vertical state, and the electric telescopic rod can also extend according to the upward movement of the supporting plate, thereby supporting the supporting plate, the stabilizing effect is better, the utility model can be used for better stability, namely the supporting plate is stable in the upward or downward, and the lead screw has self-locking nature with screw itself, can avoid the backup pad to drop to when the wearing and tearing condition appears in lead screw and screw, can support the backup pad through electric telescopic handle, avoid in the lift in-process, take place danger, then, make the backup pad descend to the least significant end, can maintain or change lead screw, screw.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a view in the direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A double-screw synchronous lifter with good stability is disclosed, as shown in the figure, the double-screw synchronous lifter comprises a base 1, four corners of the top surface of the base 1 are respectively fixedly provided with vertical rods 2, the tops of the four vertical rods 2 are fixedly connected through a connecting plate 3, two sides of the top surface of the base 1 are respectively movably provided with vertical screws 4, the tops of the two screws 4 penetrate through the connecting plate 3, the top of each screw 4 is fixedly provided with a driven sprocket 5, the driven sprocket 5 is positioned above the connecting plate 3, the top surface of the connecting plate 3 is fixedly provided with a motor 6, the top of an output shaft of the motor 6 is fixedly provided with a driving sprocket, the driving sprocket is movably connected with the two driven sprockets 5 through a chain, each screw 4 is provided with a nut in a matched manner, the two nuts are fixedly connected through a supporting plate 7, two sides of the top surface of the base 1, The sliding device comprises two sliding blocks 802, two sliding grooves 801 in each sliding groove group 8 are respectively positioned at the front end and the rear end of a base 1, each sliding block 802 is positioned in one sliding groove 801, the top surface of each sliding block 802 is hinged and connected with one end of a loop bar of an electric telescopic rod 9, one end of a movable bar of each electric telescopic rod 9 is hinged and connected with the center of the bottom surface of a supporting plate 7, two electric telescopic rods 9 positioned on the left side are respectively hinged and connected with the left side of the central line of the supporting plate 7, and the hinged points of the electric telescopic rods and the supporting plate are respectively; two electric telescopic handle 9 that are located the right side articulate the central line right side of joint support board 7 respectively to electric telescopic handle and the pin joint of backup pad are in both ends around the backup pad 7 respectively, through a dead lever 10 fixed connection between the top of two blocks of sliders 802 in same group's spout group 8, the cooperation of base 1 top surface is equipped with locking means, and locking means can control the removal of two dead levers 10. When the goods need to be lifted, the goods are placed on the supporting plate 7, the motor 6 works to drive the driving sprocket to rotate, the driving sprocket is connected with the driven sprocket 5 through a chain to drive the two driven sprockets 5 to rotate, the driven sprocket is fixedly connected with the lead screw 4 to drive the lead screw 4 to rotate, the lead screw 4 is in threaded fit with the screw nut, the screw nut is fixedly connected with the supporting plate 7 to drive the supporting plate 7 to move upwards, meanwhile, the locking device controls the two fixing rods 10 to move relatively, the two sliding blocks 802 in the same group of sliding groove groups 8 are driven to move towards the center of the base 1, the electric telescopic rod 9 is changed from an inclined state to a vertical state, and the electric telescopic rod 9 can also extend according to the upward movement of the supporting plate 7, thereby supporting the supporting plate 7, the stabilizing effect is better, and the stability is better when the utility model is, the backup pad 7 is steady in upwards or the lapse promptly to the lead screw has self-locking nature with screw itself, can avoid backup pad 7 to drop, and when the wearing and tearing condition appeared with the screw at the lead screw, can support the backup pad through electric telescopic handle, avoids at the lift in-process, takes place dangerously, then, makes backup pad 7 descend to the least significant end, can maintain or change lead screw, screw.

Specifically, the locking device described in this embodiment is composed of a bearing seat 11 fixedly installed in the middle of the top surface of the base, two screw rods 12 with opposite threads, a first bevel gear 13, a second bevel gear 14, and a connecting block, where the connecting block is installed on the inner wall of the bearing inner ring of the bearing seat 11, the two screw rods 12 are respectively located on two sides of the connecting block and fixedly connected with the connecting block, the first bevel gear 13 is fixedly installed at one end of the screw rod 12 located on the left side, the second bevel gear 14 is fixedly installed on the bottom end of the screw rod 4 on the left side, a screw hole is formed in one side of each fixing rod 10, and each screw rod 12 can penetrate. When the screw rod 4 rotates, the first bevel gear 13 is meshed with the second bevel gear 14 to be matched, one of the screw rods 12 can be driven to rotate, threads of the two screw rods 12 are opposite, the two fixing rods 10 can move relatively, namely, when the screw rod 4 rotates and drives the supporting plate 7 to move upwards, the two fixing rods 10 move relatively, the electric telescopic rod 9 is driven to move towards the center of the base 1, the supporting plate 7 is supported in an auxiliary mode through the matching of the screw rods and the screw holes, when the supporting plate drops, the supporting plate is prevented from dropping through self-locking performance of the screw rods and the screw holes, safety is improved, and a power device is saved.

Specifically, in this embodiment, a supporting block 15 is movably mounted at one end of the screw 12 located at the right side, and the bottom end of the supporting block 15 is fixedly connected with the top surface of the base 1. The supporting of the supporting plate 15 can make the stress of the screw 12 more stable and the using effect better.

Further, the diameter of the connecting block in the embodiment is larger than that of the screw 12. The diameter of the connecting block is larger than that of the screw 12, so that the fixing rod can be limited and prevented from being removed from the screw 12.

Furthermore, the front and rear ends of the top surface of the supporting plate 7 according to the present embodiment are respectively fixedly installed with a guardrail 16. The articles on the supporting plate 7 can be protected by the guardrail 16, so that the articles can be prevented from falling off, and the safety is improved.

Furthermore, the sliding groove 801 of the present embodiment has a dovetail-shaped cross section, and the sliding block 802 has a dovetail-shaped cross section. The sliding groove 801 with the dovetail-shaped section is matched with the sliding block 802, so that the sliding block 802 can be prevented from moving out, and the sliding block is more stable in use.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a good two lead screw synchronous elevator of stability which characterized in that: including base (1), base (1) top surface four corners is fixed mounting montant (2) respectively, through a connecting plate (3) fixed connection between the top of four montants (2), the top surface both sides of base (1) are vertical lead screw (4) of movable mounting respectively, connecting plate (3) are all passed on the top of two lead screws (4), the top fixed mounting driven sprocket (5) of every lead screw (4), the top surface fixed mounting motor (6) of connecting plate (3), the output shaft top fixed mounting drive sprocket of motor (6), through a chain swing joint between drive sprocket and two driven sprocket (5), the cooperation is equipped with the screw on every lead screw (4), through a backup pad (7) fixed connection between two screws, a set of spout group (8) is seted up respectively to base (1) top surface both sides, every group of spout group (8) is by two spout (801), The sliding block structure comprises two sliding blocks (802), wherein two sliding grooves (801) in each sliding groove group (8) are respectively arranged at the front end and the rear end of a base (1), each sliding block (802) is positioned in one sliding groove (801), the top surface of each sliding block (802) is hinged to one end of a loop bar of an electric telescopic rod (9), one ends of movable bars of the four electric telescopic rods (9) are hinged to the center of the bottom surface of a supporting plate (7), the top ends of the two sliding blocks (802) in the same sliding groove group (8) are fixedly connected through a fixed bar (10), the top surface of the base (1) is matched with and provided with a locking device, and the locking device can control the movement of the two fixed bars (10).

2. The synchronous lift of good stability dual-screw of claim 1, characterized in that: locking means by fixed mounting in bearing frame (11) in base top surface middle part, two screw rods (12) that the screw thread is opposite, first bevel gear (13), second bevel gear (14), the connecting block is constituteed, the connecting block is installed on the bearing inner ring inner wall of bearing frame (11), two screw rods (12) are located the both sides of connecting block respectively and with connecting block fixed connection, first bevel gear (13) fixed mounting is in the one end that is located left screw rod (12), second bevel gear (14) fixed mounting is on the bottom of left lead screw (4), the screw is seted up to one side of every dead lever (10), every screw rod (12) can pass a corresponding screw and with screw thread fit.

3. The double-screw synchronous elevator with good stability as claimed in claim 2, wherein: one end of the screw rod (12) positioned on the right side is movably provided with a supporting block (15), and the bottom end of the supporting block (15) is fixedly connected with the top surface of the base (1).

4. The double-screw synchronous elevator with good stability as claimed in claim 2, wherein: the diameter of the connecting block is larger than that of the screw (12).

5. The synchronous lift of good stability dual-screw of claim 1, characterized in that: and guardrails (16) are respectively and fixedly arranged at the front end and the rear end of the top surface of the supporting plate (7).

6. The synchronous lift of good stability dual-screw of claim 1, characterized in that: the cross section of the sliding groove (801) is dovetail-shaped, and the cross section of the sliding block (802) is dovetail-shaped.