CN220713200U - Supporting plate and cross beam of lifting table and lifting upright post connecting and fixing device - Google Patents

Abstract

The utility model discloses a supporting plate and a cross beam of a lifting table and a lifting upright post connecting and fixing device, wherein two sheet metal parts are welded on the inner surface of the supporting plate, a first sheet metal part is buckled with one side of the top end of the lifting upright post, a second sheet metal part is fixedly connected with a third sheet metal part welded on the other side of the top end of the lifting upright post by one or more screws penetrating through the cross beam in a threaded manner, and the screws are screwed from bottom to top or screwed from outside to inside; the first sheet metal part is a vertical plate with a hook at the bottom, a transverse plate opposite to the hook in direction is arranged at the top of the vertical plate, the transverse plate of the first sheet metal part is welded and fixed with the bottom surface of the transverse plate of the supporting plate, a transverse long through hole is formed in one side wall of the top end of the lifting upright post, and the hook at the bottom of the vertical plate of the first sheet metal part is buckled in the transverse long through hole. The connecting and fixing device prevents the lifting upright post from shaking in the lifting process, is firmly and reliably connected with each other, and can take out the lifting upright post without disassembling the table plate.

Description

Supporting plate and cross beam of lifting table and lifting upright post connecting and fixing device

Technical Field

The utility model relates to the technical field of lifting tables, in particular to a device for connecting and fixing a supporting plate, a cross beam and a lifting upright post of a lifting table.

Background

Lifting tables such as electric lifting tables generally comprise a table plate, a supporting plate, a cross beam and a lifting upright post, wherein the table plate is generally fixed with the supporting plate or/and the cross beam by adopting a plurality of screw bolts, the supporting plate is generally fixed with the top end of the lifting upright post by adopting a plurality of screw bolts, and the cross beam is also fixed with the top end of the lifting upright post by adopting a plurality of screw bolts.

However, the supporting plate and the cross beam and the lifting upright post connecting and fixing device of the lifting table in the prior art have the following defects: 1. because backup pad, crossbeam and lift stand three only rely on the screw spiro union to be fixed, the lift stand long-term in-process that goes up and down causes easily to rock, and then influences the fastness, stability and the reliability of backup pad, crossbeam and the mutual connection of lift stand three. 2. Because the bolts of the cross beam and the upright post or/and the supporting plate are penetrated from top to bottom and the nuts are screwed at the bottom, once the desk plate is fixed with the supporting plate or/and the cross beam, if the lifting upright post is required to be disassembled for normal maintenance or overhaul, the desk plate must be disassembled firstly, which is time-consuming, laborious and low in disassembly and installation efficiency.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the supporting plate and the cross beam of the lifting table and the lifting column connecting and fixing device which can prevent the lifting column from shaking in the lifting process, are firmly and reliably connected with each other, and can take out the lifting column without disassembling the table plate.

The technical scheme is that the supporting plate, the cross beam and the lifting upright post connecting and fixing device of the lifting table are provided, two sheet metal parts are welded on the inner surface of the supporting plate, wherein a first sheet metal part is buckled with one side of the top end of the lifting upright post, a second sheet metal part is fixedly connected with a third sheet metal part welded on the other side of the top end of the lifting upright post by one or more screws penetrating through the cross beam in a threaded manner, and the screws are screwed from bottom to top or screwed from outside to inside.

After adopting the structure, the supporting plate, the cross beam and the lifting upright post connecting and fixing device of the lifting table have the following advantages:

because backup pad, crossbeam and lift stand three rely on sheet metal component lock and sheet metal component spiro union to be fixed, prevented even avoided the rocking of lift stand in-process each other, guaranteed the fastness, stability and the reliability of backup pad, crossbeam and the mutual connection of lift stand three.

And because the cross beam and the upright post or/and the screw of the supporting plate are screwed from bottom to top, when the lifting upright post is required to be disassembled for normal maintenance or overhaul, the top surface of the desk plate can be placed on the ground, the screw is screwed out, and then the top end of the upright post is buckled and separated with the first sheet metal part, so that the lifting upright post can be directly taken down, namely, the lifting upright post can be taken out without disassembling the desk plate, the disassembly and the assembly are time-saving and labor-saving, and the disassembly and the assembly are convenient and efficient.

Further, the first sheet metal component is a riser that the bottom is equipped with the crotch, and the riser top still has a diaphragm opposite with crotch direction, and the diaphragm of first sheet metal component and the bottom surface welded fastening of the diaphragm of backup pad have a horizontal rectangular through-hole on the lateral wall on the top of lift stand, and the crotch lock of the riser bottom of first sheet metal component is in horizontal rectangular through-hole. After the structure is adopted, the structure of the first sheet metal part is simpler, the mechanical property is better, the locking with the top end of the lifting upright post is firmer and more reliable, the installation and the disassembly are more convenient, and the firmness, the stability and the reliability of the connection between the supporting plate and the lifting upright post are further ensured.

Further, the second sheet metal component is a vertical word shaped plate with an opening facing the top end of the lifting upright post, one end of the vertical word shaped plate is welded and fixed with the inner surface of the vertical plate of the supporting plate, and one or more first threaded holes are formed in the bottom side plate of the vertical word shaped plate. After the structure is adopted, the structure of the second sheet metal part is simpler, the mechanical property is better, and convenience is provided for the screw to be connected from bottom to top.

Further, the third sheet metal component be first L shape shaped plate, the riser of first L shape shaped plate and lift stand top another lateral wall welded fastening, leave the clearance between vertical font's the upper side board and the lower side board and the first L shape shaped plate riser, leave the clearance between the lower side board of vertical shape shaped plate and the diaphragm of first L shape shaped plate, have one or more first through-holes that are used for wearing the screw in order to screw at first screw hole on the diaphragm of first L shape shaped plate. After the structure is adopted, the structure of the third sheet metal part is simpler, the mechanical property is better, and the necessary conditions in position and structure are provided for firm and reliable connection of the cross beam of the rectangular outer tube, the supporting plate and the lifting upright post.

Further, the crossbeam be rectangular pipe subassembly, rectangular pipe subassembly is including being located the rectangle inner tube in the middle of the table length and the rectangle outer tube of cover at rectangle inner tube tip, the tip of rectangle outer tube inserts the clearance between the upper side board and the lower side board of vertical word shaped plate and the riser of first L font board and the clearance between the lower side board of vertical word shaped plate and the diaphragm of first L font board in order to spacing the rectangle outer tube, has one or more second through-holes and/or one or more second screw holes on the bottom plate of the tip of rectangle outer tube. After the structure is adopted, the support plate, the cross beam and the lifting upright post are firmly and reliably connected, so that the firmness, stability and reliability of the connection among the support plate, the cross beam and the lifting upright post are further ensured, and the lifting upright post can be taken out without disassembling the table plate, and the technical effect of convenience in installation and disassembly is further ensured.

Further, the end walls of the rectangular outer tube are against the inner side walls of the risers of the support plate. After the structure is adopted, the cross beam, the support plate and the lifting upright post are firmly, stably and reliably connected, and the technical effects of firmness, stability and reliability of the connection among the support plate, the cross beam and the lifting upright post are further ensured.

Further, the lifting columns of the lifting table are two, the supporting plate, the cross beam and the lifting column connecting and fixing devices are two sets, and each set of connecting and fixing device is respectively connected with the inner surface of the supporting plate, two side walls at the top end of the lifting column and the outer end of the cross beam. After the structure is adopted, the layout of each lifting table is more reasonable, and the supporting plates and the cross beams at two ends of each lifting table and the lifting upright posts are connected and fixed more firmly, more stably and more reliably, so that the two ends of the lifting table can ensure the firmness, stability and reliability of the connection among the supporting plates, the cross beams and the lifting upright posts, and the lifting upright posts can be taken out without disassembling the table plate, and the lifting upright posts can be installed and disassembled conveniently.

Drawings

Fig. 1 is a schematic perspective view of the connection and fixing device of the present utility model applied to a lifting table (the table plate is omitted; the following figures are also omitted).

Fig. 2 is an enlarged schematic view of the structure of fig. 1 a.

Fig. 3 is a schematic view of the exploded structure of the rectangular outer tube of fig. 1 exploded at one end to show the installation of the main components of the present connection fixing device.

Fig. 4 is an enlarged schematic view of the structure of fig. 3B.

Fig. 5 is a schematic view of a rectangular outer tube exploded at one end in fig. 1 to show an exploded structure of the present connection fixing device when the main components are installed.

Fig. 6 is an enlarged schematic view of the structure of fig. 5C.

Fig. 7 is a schematic view of an end structure of fig. 1 with one end of the support plate omitted.

Fig. 8 is an enlarged schematic view of the structure of D in fig. 7.

The figure shows: 1. the bottom foot plate, 2, the motor, 3, the crossbeam, 4, the transfer line, 5, the backup pad, 6, the lift stand, 7, horizontal elongated through-hole, 8, crotch, 9, the riser of first sheet metal component, 10, the diaphragm of first sheet metal component, 11, first sheet metal component, 12, fixed pipe, 13, the lifter, 14, rectangular outer tube, 15, rectangular inner tube, 16, second sheet metal component, 17, third sheet metal component, 18, inclined plane, 19, second screw, 20, first screw, 21, second clearance, 22, first through-hole, 23, first clearance, 24, the diaphragm of backup pad, 25, riser of backup pad.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. It should be noted that the description of these embodiments is for aiding in understanding the present utility model, but is not to be construed as limiting the utility model. In addition, the technical features described in the following embodiments of the present utility model may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8.

Prior art lift tables such as electric lift tables generally include a table top, a support plate 5, a cross beam 3, and a lift post 6, etc. The table is generally fixed to the support plate 5 and/or the cross member 3, such as by a plurality of screws. The cross members 3 are commonly referred to as stringers, but it will be understood that they are beams that extend along the length of the table. The support plate 5 is generally an L-shaped plate, namely a second L-shaped plate, the transverse plate of the second L-shaped plate is attached to and fixed with the table plate, and the vertical plate, namely the side plate, of the second L-shaped plate is fixed with the lifting upright post 6 and the transverse beam 3. The bottom end of the lifting upright 6 is generally connected with the baseboard 1. The lifting column 6 generally comprises an outer tube, such as a rectangular lifting tube 13, and an inner tube, such as a rectangular fixing tube 12, the top end of the rectangular lifting tube 13 being fixed to the cross beam 3 and the support plate 5, and the bottom end of the rectangular fixing tube 12 being fixed to the foot plate 1. The motor 2 can drive the screw rod in the screw rod pair of the nut to rotate through the transmission rod 4 and the gear box, and then drive the rectangular lifting tube 13 to lift through the nut. The support plate 5, the cross beam 3, the lifting upright post 6 and the baseboard 1 are commonly called a table frame. The table plate is fixed with the supporting plate 5 or/and the cross beam 3, for example, a plurality of screws are used for screwing and fixing, and the following understanding should be made: the table plate is fixed with the supporting plate 5 by a plurality of screw bolts, or the table plate is fixed with the cross beam 3 by a plurality of screw bolts, or the table plate is fixed with the supporting plate 5 by a plurality of screw bolts, and the table plate is also fixed with the cross beam 3 by a plurality of screw bolts.

The utility model relates to a connecting and fixing device for a supporting plate 5, a cross beam 3 and a lifting upright post 6 of a lifting table, which comprises the following structures: two sheet metal parts are welded on the inner surface of the supporting plate 5, wherein the first sheet metal part 11 is buckled with one side of the top end of the lifting upright post 6, the second sheet metal part 16 is fixedly connected with the third sheet metal part 17 welded on the other side of the top end of the lifting upright post 6 by one or more screws penetrating through the cross beam 3 in a screwed manner, and the screws are screwed up from bottom to top or screwed down from outside to inside. The plurality of fingers are two, three, four, etc. Preferably two.

The first sheet metal component 11 is a riser 9 that the bottom is equipped with crotch 8, and riser 9 top still has a diaphragm 10 opposite with crotch direction, and the diaphragm 10 of first sheet metal component and the bottom surface welded fastening of the diaphragm 24 of backup pad have a horizontal rectangular through-hole 7 on the lateral wall on the top of lift stand 6, and the crotch 8 lock of riser 9 bottom of first sheet metal component is in horizontal rectangular through-hole 7.

The concrete structure of first sheet metal component and lift stand lock can also be: the first sheet metal part is a vertical plate with hooks at the bottom, a transverse plate opposite to the hooks in direction is arranged at the top of the vertical plate, the transverse plate is welded and fixed with the bottom surface of the transverse plate or the horizontal plate of the supporting plate, a transverse long buckling block is welded on one side wall of the top end of the lifting upright post, and the hooks at the bottom of the first sheet metal part are buckled in a buckling groove with the transverse long buckling block facing downwards. The cross plate may also be referred to as a horizontal plate.

The concrete structure of first sheet metal component and lift stand lock can also be: the first sheet metal component is a riser that the bottom is equipped with the crotch, and the inboard surface welded fastening of the riser of first sheet metal component's one end and backup pad riser has a horizontal rectangular through-hole on one side of the top of lift stand, and the crotch lock of first sheet metal component bottom is in horizontal rectangular through-hole.

The second sheet metal component 16 is a vertical word shaped plate with an opening facing the top end of the upright post, one end of the vertical word shaped plate is welded and fixed with the inner surface of the vertical plate 25 of the supporting plate, and one or more first threaded holes are formed in the bottom side plate of the vertical word shaped plate. The inner surface is also referred to as the inner wall.

The third sheet metal component 17 be first L shape shaped plate, the riser of first L shape shaped plate and lift stand 6 top another lateral wall welded fastening, leave the clearance such as first clearance 23 between vertical shape shaped plate's the upper side board and lower side board and the first L shape shaped plate riser, leave the clearance such as second clearance 21 between vertical shape shaped plate's lower side board and the diaphragm of first L shape shaped plate, have one or more on the diaphragm of first L shape shaped plate and be used for wearing the screw in order to screw at the screw hole such as first screw hole and the first through-hole 22 of the second screw hole of following.

The cross beam 3 is preferably a rectangular tube assembly, the rectangular tube assembly preferably comprises a rectangular inner tube 15 positioned in the middle of the length of the table plate and a rectangular outer tube 14 sleeved at the end part of the rectangular inner tube 15, the end part of the rectangular outer tube 14 is inserted into gaps between the upper side plate and the lower side plate of the vertical -shaped plate and the vertical plate of the first L-shaped plate, such as a first gap 23, and gaps between the lower side plate of the vertical -shaped plate and the transverse plate of the first L-shaped plate, such as a second gap 21, so as to limit the rectangular outer tube, and one or more second through holes and/or one or more second threaded holes are formed in the bottom plate of the end part of the rectangular outer tube 14. The following should be understood: the bottom plate of the end of the rectangular outer tube 14 is provided with one or more second through holes, or the bottom plate of the end of the rectangular outer tube 14 is provided with one or more second threaded holes, or the bottom plate of the end of the rectangular outer tube 14 is provided with one or more second through holes, and meanwhile the bottom plate of the end of the rectangular outer tube 14 is provided with one or more second threaded holes. As shown in fig. 4, the second sheet metal part 16, namely, the bottom side plate of the vertical rectangular plate is provided with a first threaded hole, the bottom plate of the end part of the rectangular outer tube 14 of the cross beam 3 is provided with a second through hole at a position close to the support plate 5, the cross plate of the first L-shaped plate of the third sheet metal part 17 is provided with a first through hole 22 at a position close to the support plate 5, a first screw 20 passes through the first through hole 22 at a position close to the support plate 5 of the cross plate of the first L-shaped plate and the second through hole at a position close to the support plate 5 of the bottom plate of the end part of the rectangular outer tube 14, and is screwed in the first threaded hole of the bottom side plate of the vertical rectangular plate; the bottom plate of the end of the rectangular outer tube 14 is provided with a second threaded hole at a position far away from the supporting plate 5, the transverse plate of the first L-shaped plate is provided with a first through hole 22 at a position far away from the supporting plate 5, and a second screw 19 penetrates through the first through hole 22 at a position far away from the supporting plate 5, and is screwed in the second threaded hole at a position far away from the supporting plate 5. The third sheet metal part 17, i.e. the top of one end of the riser of the first L-shaped plate, which is far away from the support plate 5, may be provided with a bevel 18 or chamfer to facilitate insertion of the rectangular outer tube.

The end walls of the rectangular outer tube 14 may abut against the inner side walls of the risers 25 of the support plate.

The structure of the second sheet metal part, the structure of the third sheet metal part, the structure of the cross beam and the connecting structure among the two can also be changed as follows: if the vertical rectangular plate can be welded and fixed on the bottom surface of the transverse plate of the upper side plate and the supporting plate, the end part of the transverse beam can be a horizontal rectangular plate, the end part of the horizontal rectangular plate is inserted into gaps between the upper side plate and the lower side plate of the vertical rectangular plate and the vertical plate of the first L-shaped plate, such as a first gap and gaps between the lower side plate of the vertical rectangular plate and the transverse plate of the first L-shaped plate, such as a second gap, a second through hole or a second threaded hole is formed in the web plate of the horizontal rectangular plate, a plurality of through holes, such as two screws, penetrate through the transverse plate of the first L-shaped plate welded on the top end of the other side of the lifting upright post from bottom to top, a plurality of through holes of the web plate of the horizontal rectangular plate, and a plurality of first threaded holes are screwed in the lower side plate of the vertical rectangular plate. The end walls of the transverse letter plates abut the inner side walls of the support plate risers.

The structure of the second sheet metal part, the structure of the third sheet metal part, the structure of the cross beam and the connecting structure among the two can also be changed as follows: the vertical word shaped plate of second sheet metal component can be the bottom surface welded fastening of curb plate and backup pad ground diaphragm, and the third sheet metal component can be the horizontal word shaped plate of opening up, and the interior side plate and the another lateral wall welded fastening on lift stand top of horizontal word shaped plate, the exterior side plate and the web internal surface of vertical word shaped plate of horizontal word shaped plate offset, and the crossbeam tip can adopt the third L word shaped plate, and the crossbeam of this scheme can all be the third L word shaped plate or several third L word shaped plates adopt a plurality of screws to meet promptly. The inner side of the vertical plate of the third L-shaped plate is attached to the outer side face of the web plate of the vertical -shaped plate, the inner side of the transverse plate of the third L-shaped plate is attached to the outer side face of the lower side plate of the vertical -shaped plate, one or more third through holes are formed in the vertical plate of the vertical -shaped plate, one or more fourth through holes are formed in the web plate of the vertical -shaped plate, one or more third threaded holes are formed in the outer side plate of the transverse -shaped plate with the upward opening, one or more screws correspondingly penetrate through the third through holes in the vertical plate of the third L-shaped plate and the fourth through holes in the web plate of the vertical -shaped plate, and the screws are screwed into the third threaded holes in the outer side plate of the transverse -shaped plate. The end wall of the third L-shaped plate is propped against the inner side wall of the vertical plate of the supporting plate.

The lifting columns 6 of the lifting table are preferably two, the supporting plates 5, the cross beams 3 and the lifting columns 6 are preferably two sets of connecting and fixing devices, and the two sets of supporting plates 5, the cross beams 3 and the lifting columns 6 are symmetrically arranged at two ends of the lifting table plate in the length direction. Each set of connecting and fixing device is respectively connected with the inner surface of the supporting plate 5, the two side walls at the top end of the lifting upright post 6 and the outer end of the cross beam 3.

The above-noted components or structures or numbers are not shown in the figures. The drawings are schematic only, and the text descriptions will be followed if the drawings do not coincide with the text descriptions or if the drawings do not coincide with each other.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a fixing device is connected to backup pad and crossbeam and lift stand of lift table which characterized in that: two sheet metal parts are welded on the inner surface of the supporting plate, wherein the first sheet metal part is buckled with one side of the top end of the lifting upright post, the second sheet metal part is fixedly connected with a third sheet metal part welded on the other side of the top end of the lifting upright post by one or more screws penetrating through the cross beam in a screwed manner, and the screws are screwed up from bottom to top or screwed down from outside to inside.

2. The lifting table support plate and cross beam and lifting column connection and fixation device according to claim 1, characterized in that: the first sheet metal part is a vertical plate with a hook at the bottom, a transverse plate opposite to the hook in direction is arranged at the top of the vertical plate, the transverse plate of the first sheet metal part is welded and fixed with the bottom surface of the transverse plate of the supporting plate, a transverse long through hole is formed in one side wall of the top end of the lifting upright post, and the hook at the bottom of the vertical plate of the first sheet metal part is buckled in the transverse long through hole.

3. The lifting table support plate and cross beam and lifting column connection and fixation device according to claim 1, characterized in that: the second sheet metal component is a vertical word shaped plate with an opening facing the top end of the lifting upright post, one end of the vertical word shaped plate is welded and fixed with the inner surface of a vertical plate of the supporting plate, and one or more first threaded holes are formed in the bottom side plate of the vertical word shaped plate.

4. A lifting table support plate and cross beam and lifting column connection and fixation device according to claim 3, characterized in that: the third sheet metal component be first L shape shaped plate, the riser of first L shape shaped plate and the another lateral wall welded fastening in lifting column top, leave the clearance between vertical font's upper side board and the lower side board and the first L shape shaped plate riser, leave the clearance between the lower side board of vertical shape shaped plate and the diaphragm of first L shape shaped plate, have one or more first through-holes that are used for wearing the screw with screwing at first screw hole on the diaphragm of first L shape shaped plate.

5. The lifting table support plate and cross beam and lifting column connection and fixation device as claimed in claim 4, wherein: the crossbeam be rectangular pipe subassembly, rectangular pipe subassembly is including being located the rectangle inner tube in the middle of the table length and the rectangle outer tube of cover at rectangle inner tube tip, the tip of rectangle outer tube inserts the clearance between the upper side board and the lower side board of vertical font board and the first L font board riser and the clearance between the lower side board of vertical font board and the diaphragm of first L font board in order to spacing to the rectangle outer tube, has one or more second through-holes and/or one or more second screw holes on the bottom plate of the tip of rectangle outer tube.

6. The lifting table support plate and cross beam and lifting column connection and fixation device according to claim 5, wherein: the end wall of the rectangular outer tube is propped against the inner side wall of the vertical plate of the supporting plate.

7. The lifting table support plate and beam and lifting column connection fixture of any one of claims 1-6, wherein: the lifting table comprises two lifting columns, two supporting plates, two cross beams and two lifting column connecting and fixing devices, wherein each connecting and fixing device is respectively connected with the inner surface of the supporting plate, two side walls at the top end of the lifting column and the outer end of the cross beam.