CN110654968B

CN110654968B - Lifting machine capable of automatically clamping materials

Info

Publication number: CN110654968B
Application number: CN201910959150.8A
Authority: CN
Inventors: 陈国庆
Original assignee: Wenzhou Ruicheng Machinery Technology Co Ltd
Current assignee: Wenzhou Ruicheng Machinery Technology Co., Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-11-27
Anticipated expiration: 2039-10-10
Also published as: CN110654968A

Abstract

The invention relates to the technical field of mechanical conveying equipment, in particular to a lifting machine capable of automatically clamping materials, which comprises a bearing plate, wherein a left clamping arm and a right clamping arm for clamping the materials are arranged on the bearing plate, the bearing plate is connected with an angle connecting piece through a bolt, the angle connecting piece is connected with a transverse plate through a bolt, one end of the transverse plate is fixedly connected with the left clamping arm, the other end of the transverse plate is provided with the right clamping arm for horizontal movement, the inner side wall of the left clamping arm and the inner side wall of the right clamping arm are both provided with a pressing plate, elastic elements are arranged between the pressing plate and the left clamping arm and between the pressing plate and the right clamping arm, the bottom of. The beneficial effects are that: the material clamping device is novel in structure and convenient to install, can quickly and automatically clamp materials by the left clamping arm and the right clamping arm through the right clamping arm capable of horizontally moving, supports the materials through the extension arm, avoids the materials from falling off in the lifting moving process, and is simple in structure, safe and reliable.

Description

Lifting machine capable of automatically clamping materials

Technical Field

The invention relates to the technical field of mechanical conveying equipment, in particular to a lifting machine capable of automatically clamping materials.

Background

A hoist is large mechanical equipment which carries out transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists.

The application numbers are: 201611094729.5, the invention discloses a lifting mechanism of a template detection device, which comprises a detection frame, a feed inlet is arranged on the left side wall of the detection frame, a template slide way is arranged on the bottom plate of the detection frame, a stop block is arranged on the right side of the template slide way, a clamping mechanism is arranged right above the template slide way, the clamping mechanism is movably connected with the lifting mechanism, a turbine of the lifting mechanism is meshed with a worm of a lifting driving mechanism, a base frame of the lifting driving mechanism is fixed on the right side of the detection frame, the lifting mechanism is arranged on the top of the rear side of the detection frame, and an observation port is arranged on the front side of the detection. The clamping mechanism is suitable for clamping plate-shaped or box-shaped materials, but the bottom of the clamping mechanism is lack of a support for preventing the materials from falling, the materials are easy to fall off when moving vertically, and safety accidents are easy to cause.

Disclosure of Invention

The invention aims to provide a lifting machine capable of automatically clamping materials, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but lifting machine of material is got to automatic clamp, includes the loading board that removes along with the removal end of lifting machine together, be equipped with on the loading board and be used for pressing from both sides the left arm lock and the right arm lock of getting the material, loading board bolted connection angle connecting piece, angle connecting piece bolted connection diaphragm, diaphragm one end fixed connection left arm lock, and the diaphragm other end is equipped with the right arm lock that is used for horizontal migration, left side arm lock inside wall and right arm lock inside wall all are equipped with the clamp plate, between clamp plate and the left arm lock to and all be equipped with elastic element between clamp plate and the right arm lock, left side arm lock bottom and right arm lock bottom all are equipped with the trailing arm, be equipped with the.

Preferably, an angle steel group is arranged between the left clamping arm and the transverse plate and consists of three angle steels which are arranged at equal intervals.

Preferably, the front side wall and the rear side wall of the transverse plate are fixedly connected with slide rails, the slide rails are in a T shape, the upper end and the lower end of each slide rail are respectively provided with two pulleys, the wheel shafts of the pulleys are fixedly connected with a vertical wheel carrier, the upper end and the lower end of the vertical wheel carrier are respectively connected with a transverse wheel carrier through bolts, the transverse wheel carrier positioned below is fixedly connected with a right clamping arm, the transverse plate is fixedly connected with a support, the support is provided with an electric push rod, and the push rod of the electric push rod is fixedly connected with the.

Preferably, the pressing plate is integrally formed by two side plates and a straight plate and is T-shaped, and the distance between the two side plates is greater than the width of the left clamping arm and the width of the right clamping arm.

Preferably, the elastic element comprises a first sleeve, a spring and a second sleeve, the first sleeve is sleeved with the second sleeve, the spring is a cylindrical spiral composite spring, one end of the spring is welded with the first sleeve, the other end of the spring is welded with the second sleeve, bolt mounting holes are formed in the first sleeve and the second sleeve, and the second sleeve is connected with the pressing plate through bolts.

Preferably, be equipped with the recess in the extension arm, be equipped with step motor and two tape seat bearings about step motor symmetric distribution in the recess, step motor's output shaft key-type connection master gear, tape seat bearing interference fit driven shaft, driven shaft key-type connection pinion, the master gear meshes with the pinion mutually, trailing arm inner wall fixed connection spur rack, the spur rack meshes with the pinion mutually.

Preferably, the part of the extension arm extending out of the supporting arm is provided with an inclined plane, the inclined plane and the horizontal plane form an included angle of forty-five degrees, the inclined plane is provided with a first roller group, the bottom surface of the part of the extension arm extending out of the supporting arm is provided with a second roller group, and the first roller group and the second roller group are formed by linearly arranging three rollers with the same specification at equal intervals.

Preferably, the side wall all is equipped with two draw runners around the extension arm, draw runner and extension arm integrated into one piece, and the surface coating of draw runner has the lubricant film, the trailing arm inner wall is equipped with the slide identical with the draw runner, the draw runner part imbeds in the slide.

Compared with the prior art, the invention has the beneficial effects that:

1. the material clamping device is novel in structure and convenient to install, can quickly realize automatic material clamping of the left clamping arm and the right clamping arm through the horizontally movable right clamping arm, and can support the material through the extension arm, so that the material is prevented from falling in the lifting movement process, and the material clamping device is simple in structure, safe and reliable;

2. the inner wall of the bracket arm is provided with a slideway matched with the slide strip, and the slide strip is partially embedded into the slideway, so that gaps are reserved between the peripheral side walls of the extension arm and the bracket arm, the friction force between the extension arm and the bracket arm is greatly reduced, and the extending process of the extension arm from the bracket arm is smoother and more stable;

3. under elastic element's support, two clamp plates have compensatied the too big defect of interval of left arm lock and right arm lock, and when right arm lock pressure left arm lock, the second sleeve has the effort that presses to the clamp plate for the material is hugged closely to the clamp plate, through the frictional force of clamp plate and material, avoids the material to take place the back-and-forth movement, safe and reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an assembly view of a left clamp arm, a pressure plate, an elastic element and angle steel in the invention;

FIG. 3 is a schematic view of the structure of the bracket and the extension arm of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a left side view of fig. 3.

In the figure: the device comprises a bearing plate 1, a corner connecting piece 2, a transverse plate 3, an electric push rod 4, a left clamping arm 5, a right clamping arm 6, a pressing plate 7, an elastic element 8, a first sleeve 801, a spring 802, a second sleeve 803, a supporting arm 9, an extension arm 10, a stepping motor 11, a belt seat bearing 12, a main gear 13, a movable shaft 14, a pinion 15, a spur rack 16, a first roller train 17, a second roller train 18, a sliding rail 19, a pulley 20, a vertical wheel train 21, a transverse wheel train 22, a support 23, a sliding strip 24 and angle steel 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a lifting machine capable of automatically clamping materials comprises a bearing plate 1 moving along with the moving end of the lifting machine, a lifting machine main body is composed of a rack and a winch, one end of a steel wire rope on the winch is hung on the bearing plate 1, a guide rail is arranged on the rack and used for restraining the advancing direction of the bearing plate 1, and the process of lifting or putting down the bearing plate 1 is achieved by winding the steel wire rope through the winch. The bearing plate 1 is provided with a left clamping arm 5 and a right clamping arm 6 which are used for clamping materials.

The bearing plate 1 is connected with one end of the corner connecting piece 2 through a bolt, the corner connecting piece 2 is an equilateral steel section right-angle connecting piece, and the other end of the corner connecting piece 2 is connected with the transverse plate 3 through a bolt. One end of the transverse plate 3 is fixedly connected with a left clamping arm 5, an angle steel group is arranged between the left clamping arm 5 and the transverse plate 3, the angle steel group is composed of three angle steels 25 which are arranged at equal intervals, and the other end of the transverse plate 3 is provided with a right clamping arm 6 used for horizontal movement.

The transverse plate 3 is fixedly connected with a support 23, an electric push rod 4 is arranged on the support 23, the electric push rod 4 is a U2 type electric telescopic rod and mainly comprises a driving motor, a reduction gear, a screw rod, a screw nut and a push rod, the driving motor drives the screw rod to rotate at the reduction gear by starting the driving motor, the screw rod is in clearance fit with the screw nut, the screw nut can drive the push rod to move up and down according to the screw rod transmission principle, therefore, the 'telescopic' motion of the push rod is realized, and the push rod of the electric push rod 4 is fixedly connected with the right clamping arm. The front side wall and the rear side wall of the transverse plate 3 are both fixedly connected with slide rails 19, the slide rails 19 are in a T shape, the upper end and the lower end of each slide rail 19 are both provided with two pulleys 20, so that eight pulleys 20 are arranged on the front slide rail 19 and the rear slide rail 19 in total, the wheel shafts of the pulleys 20 are fixedly connected with a vertical wheel frame 21, the upper end and the lower end of the vertical wheel frame 21 are both connected with a transverse wheel frame 22 through bolts, and the vertical wheel frame 21 and the transverse wheel frame 22 jointly form a rectangular frame structure to be connected. The transverse wheel frame 22 located below is fixedly connected with the right clamping arm 6, and through the driving force provided by the electric push rod 4, the right clamping arm 6 rolls on the slide rail 19 by means of the eight pulleys 20, so that the horizontal movement can be smoothly realized, namely, the right clamping arm 6 can be clamped to the left clamping arm 5, and the process that the left clamping arm 5 and the right clamping arm 6 automatically clamp materials is realized.

The bottom of the left clamping arm 5 and the bottom of the right clamping arm 6 are both provided with a support arm 9, and an extension arm 10 capable of moving horizontally is arranged in the support arm 9. As shown in fig. 5, a groove is formed in the extension arm 10, a stepping motor 11 and two bearings 12 with seats are symmetrically distributed about the stepping motor 11, an output shaft of the stepping motor 11 is in key connection with a main gear 13, the bearings 12 with seats are in interference fit with a driven shaft 14, the driven shaft 14 is in key connection with a pinion gear 15, and a spur rack 16 is fixedly connected to the inner wall of the support arm 9. The stepping motor 11 is turned on, the stepping motor 11 drives the main gear 13 to rotate, and the extension arm 10 can horizontally extend out of the bracket arm 9 through the transmission relationship that the main gear 13 is meshed with the auxiliary gear 15 and the spur rack 16 is meshed with the auxiliary gear 15.

As shown in fig. 4, the portion of the extension arm 10 extending out of the support arm 9 is provided with an inclined plane, the inclined plane and the horizontal plane form an included angle of forty-five degrees, the inclined plane is provided with a first roller group 17, the bottom surface of the portion of the extension arm 10 extending out of the support arm 9 is provided with a second roller group 18, and the first roller group 17 and the second roller group 18 are formed by arranging three rollers of the same specification in a straight line at equal intervals. When the extension arm 10 can horizontally extend out of the support arm 9, the common roller between the first roller set 17 and the second roller set 18 of the extension arm 10 impacts the plate-shaped or box-shaped material, the material is lifted along the inclined plane under the pushing of the extension arm 10, and the advancing distance of the extension arm 10 after contacting the material is the distance of the material lifted as can be known from a simple geometric relationship because the inclined plane forms an included angle of forty-five degrees with the horizontal plane. The extension arm 10 supports the materials, prevents the materials from falling off in the lifting and moving process, and is simple, convenient, safe and reliable.

Extension arm 10 lateral wall all is equipped with two draw runner 24 all around, draw runner 24 and extension arm 10 integrated into one piece, and the surface coating of draw runner 24 has the lubricant film, and the inner wall of bracket 9 is equipped with the slide identical with draw runner 24, through the partial embedding slide of draw runner 24 for leave the clearance between extension arm 10 lateral wall and the bracket 9 all around, very big reduction extension arm 10 and the frictional force between the bracket 9, make extension arm 10 "stretch out" the process more smooth stable from the bracket 9.

5 inside walls of left arm lock and 6 inside walls of right arm lock all are equipped with clamp plate 7, and clamp plate 7 is by two blocks of curb plates and a straight board integrated into one piece, and is "T" font, and wherein the interval of two blocks of curb plates all is greater than the width of left arm lock 5 and the width of right arm lock 6. Elastic elements 8 are arranged between the pressing plate 7 and the left clamping arm 5 and between the pressing plate 7 and the right clamping arm 6.

The elastic element 8 comprises a first sleeve 801, a spring 802 and a second sleeve 803, the spring 802 adopts a cylindrical spiral composite spring, the composite spring is an elastomer which is formed by compounding a metal spiral spring and rubber into a whole, the advantages of the metal spring and the rubber spring are integrated, the defects of the metal spring and the rubber spring are overcome, the shape and the mechanical property are stable, heavy load and large deformation can be borne, and the vibration isolation and noise reduction device has the advantages of good vibration isolation and noise reduction effects, flat work, short time for passing a resonance region and the like. The first sleeve 801 is sleeved with the second sleeve 803, one end of the spring 802 is welded with the first sleeve 801, the other end of the spring 802 is welded with the second sleeve 803, bolt mounting holes are formed in the first sleeve 801 and the second sleeve 803, the second sleeve 803 is connected with the pressure plate 7 through bolts, and the first sleeve 801 is connected with the corresponding left clamping arm 5 and the right clamping arm 6 through bolts. Under elastic element 8's support, two clamp plates 7 have remedied the too big defect of interval of left arm lock 5 and right arm lock 6, open electric putter 4, when right arm lock 6 pressed to left arm lock 5, clamp plate 7 contacted the material at first, continue to open electric putter 4, spring 802 was compressed in the elastic element 8 for second sleeve 803 has the effort to clamp plate 7, and the material is hugged closely to clamp plate 7, through the frictional force of clamp plate 7 with the material, avoids the material to take place the back-and-forth movement, safe and reliable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but lifting machine of material is got to automatic clamp, includes along with carrying board (1) that the removal end of lifting machine removed together, be equipped with left arm lock (5) and right arm lock (6) that are used for pressing from both sides to get the material on carrying board (1), its characterized in that: the loading plate (1) is in bolted connection with the corner connecting piece (2), the corner connecting piece (2) is in bolted connection with the transverse plate (3), one end of the transverse plate (3) is fixedly connected with the left clamping arm (5), the other end of the transverse plate (3) is provided with the right clamping arm (6) used for horizontal movement, the inner side wall of the left clamping arm (5) and the inner side wall of the right clamping arm (6) are both provided with a pressing plate (7), elastic elements (8) are arranged between the pressing plate (7) and the left clamping arm (5) and between the pressing plate (7) and the right clamping arm (6), the bottom of the left clamping arm (5) and the bottom of the right clamping arm (6) are both provided with supporting arms (9), and extension arms (10) capable of horizontal;

an angle steel group is arranged between the left clamping arm (5) and the transverse plate (3), and the angle steel group consists of three angle steels (25) which are arranged at equal intervals;

the front side wall and the rear side wall of the transverse plate (3) are fixedly connected with a sliding rail (19), the sliding rail (19) is T-shaped, the upper end and the lower end of the sliding rail (19) are respectively provided with two pulleys (20), the wheel shaft of each pulley (20) is fixedly connected with a vertical wheel carrier (21), the upper end and the lower end of each vertical wheel carrier (21) are respectively connected with a transverse wheel carrier (22) through bolts, the transverse wheel carrier (22) positioned below is fixedly connected with a right clamping arm (6), the transverse plate (3) is fixedly connected with a support (23), an electric push rod (4) is arranged on the support (23), and the push rod of the electric push rod (4) is fixedly connected with the;

the pressing plate (7) is integrally formed by two side plates and a straight plate and is T-shaped, wherein the distance between the two side plates is larger than the width of the left clamping arm (5) and the width of the right clamping arm (6);

the elastic element (8) comprises a first sleeve (801), a spring (802) and a second sleeve (803), the first sleeve (801) is sleeved with the second sleeve (803), the spring (802) is a cylindrical spiral composite spring, one end of the spring (802) is welded with the first sleeve (801), the other end of the spring (802) is welded with the second sleeve (803), bolt mounting holes are formed in the first sleeve (801) and the second sleeve (803), and the second sleeve (803) is connected with the pressing plate (7) through bolts;

the improved lifting device is characterized in that a groove is formed in the extension arm (10), a stepping motor (11) and two bearings (12) with seats are symmetrically distributed in the groove, an output shaft of the stepping motor (11) is connected with a main gear (13) in a key mode, the bearings (12) with seats are in interference fit with a driven shaft (14), the driven shaft (14) is connected with an auxiliary gear (15) in a key mode, the main gear (13) is meshed with the auxiliary gear (15), a straight rack (16) is fixedly connected to the inner wall of the support arm (9), and the straight rack (16) is meshed with the auxiliary gear (15);

the part of the extension arm (10) extending out of the support arm (9) is provided with an inclined plane, the inclined plane and the horizontal plane form an included angle of forty-five degrees, the inclined plane is provided with a first roller set (17), the bottom surface of the part of the extension arm (10) extending out of the support arm (9) is provided with a second roller set (18), and the first roller set (17) and the second roller set (18) are formed by linearly arranging three rollers with the same specification at equal intervals;

extension arm (10) lateral wall all is equipped with two draw runner (24) all around, draw runner (24) and extension arm (10) integrated into one piece, and the surface coating of draw runner (24) has the lubricant film, trailing arm (9) inner wall is equipped with the identical slide with draw runner (24), draw runner (24) part embedding slide.