CN210457201U - Movable double-column portal frame - Google Patents

Movable double-column portal frame Download PDF

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Publication number
CN210457201U
CN210457201U CN201921416341.1U CN201921416341U CN210457201U CN 210457201 U CN210457201 U CN 210457201U CN 201921416341 U CN201921416341 U CN 201921416341U CN 210457201 U CN210457201 U CN 210457201U
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China
Prior art keywords
sets
portal frame
column
spreader
groups
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Active
Application number
CN201921416341.1U
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Chinese (zh)
Inventor
朱炜
饶兵
卢康
潘俞辰
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Hangzhou Hangcha Mechanical Equipment Manufacturing Co Ltd
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Hangzhou Hangcha Mechanical Equipment Manufacturing Co Ltd
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Priority to CN201921416341.1U priority Critical patent/CN210457201U/en
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Abstract

The utility model belongs to the technical field of the hydraulic means technique and specifically relates to a portable twin columns portal frame is related to, the utility model discloses a two sets of stands and crossbeam all are equipped with moving mechanism on two sets of stands, and moving mechanism includes the spreader, and the bottom of spreader is equipped with a plurality of support columns and two sets of dwang, and the lower extreme of two sets of dwang all is equipped with the mounting panel, all installs the rolling member on two sets of mounting panels, is equipped with on the spreader and drives the subassembly. When the portal frame needs to be moved and transported, two groups of driving assemblies respectively drive two groups of rotating rods on corresponding upright columns to synchronously and reversely rotate, so that two groups of rolling parts synchronously abut against the ground, and the upright columns are pushed to finish the movement and transportation of the portal frame; when the portal frame moves to the appointed position, the two groups of driving assemblies respectively drive the two groups of rotating rods on the corresponding stand columns to synchronously rotate reversely, so that the supporting columns are abutted to the ground, and the stability of the portal frame is guaranteed. The utility model discloses be convenient for remove the transportation and stability is strong.

Description

Movable double-column portal frame
Technical Field
The utility model belongs to the technical field of the hydraulic means technique and specifically relates to a portable twin columns portal frame is related to.
Background
The portal frame is used as a support of lifting equipment, the common portal frame comprises two upright posts and a beam fixedly connected to the two upright posts, and the portal frame is named as a coiled dragon post.
In a machining workshop, a worker usually installs a hydraulic cylinder on a beam of a portal frame, installs a pressing block on a piston rod of the hydraulic cylinder, and then aligns and simply bends parts by matching with a corresponding tooling die.
When the position of the portal frame needs to be changed, the portal frame is heavy, so that the portal frame needs to be moved and manually moved by using conveying tools such as a forklift, and the movement is inconvenient; if at stand bottom installation gyro wheel, though can make things convenient for the transportation of portal frame, the setting up of gyro wheel makes placing of portal frame stable inadequately, has influenced the stability of pneumatic cylinder when processing spare part, consequently needs the improvement.
SUMMERY OF THE UTILITY MODEL
The not enough to above-mentioned prior art, the utility model aims at providing a portable twin columns portal frame, be convenient for remove transportation and stability are strong.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a portable twin columns portal frame, including two sets of stands and the crossbeam of fixed connection in two sets of stands that are the interval setting, all be equipped with moving mechanism on two sets of stands, moving mechanism is including fixing the spreader in the stand bottom and extending along the horizontal direction, the bottom of spreader is equipped with a plurality of conflicts in ground and along the support column that vertical direction extends and two sets of symmetry setting and rotate the dwang of connecting in the spreader, and the lower extreme of two sets of dwangs all is equipped with the mounting panel, all install the rolling member on two sets of mounting panels, be equipped with on the spreader and drive the synchronous antiport of two sets of dwangs and make the rolling member conflict in the drive subassembly on ground.
By adopting the technical scheme, when the portal frame needs to be transported in a moving way, the two groups of driving components respectively drive the two groups of rotating rods on the corresponding upright posts to synchronously and reversely rotate, so that the two groups of rolling parts synchronously abut against the ground, and the portal frame can be transported in a moving way by pushing the upright posts; meanwhile, because the two groups of rotating rods are opposite in steering direction, when the two groups of rolling parts are abutted against the ground, the component forces of the two groups of rolling parts and the ground in the horizontal direction are opposite, so that the portal frame is not easy to slide; when the portal frame moves to the appointed position, the two groups of driving assemblies respectively drive the two groups of rotating rods on the corresponding stand columns to synchronously rotate reversely, the two groups of rolling parts are enabled to be synchronously separated from the ground, the supporting columns can be abutted against the ground at the moment, and the stability of the portal frame is guaranteed.
The utility model discloses further set up to: the drive subassembly includes two sets of drive poles, and the one end of two sets of drive poles rotates respectively to be connected in the mounting panel that corresponds, and the other end of two sets of drive poles all rotates and is connected with the slider, and two sets of sliders all slide along the extending direction of spreader and connect in the spreader, and the slip direction of slider parallels with the swing plane of dwang, is equipped with on the spreader to drive the drive piece that two sets of sliders are close to each other or keep away from each other, and all dwangs all rotate to be connected in the mounting panel that corresponds.
By adopting the technical scheme, when the two groups of sliding blocks are driven to move mutually by the driving piece, the two groups of sliding blocks drive the corresponding driving rods to rotate, and the driving rods drive the rotating rods to rotate, so that the height of the rolling piece is changed, and the portal frame is convenient to move, transport, place and fix; meanwhile, the rotating rod, the driving rod and the cross column are enclosed into a triangular structure, and the stability of the rolling piece when the rolling piece is abutted against the ground is guaranteed.
The utility model discloses further set up to: the driving piece is a bidirectional screw rod which is rotatably connected to the transverse column and extends along the extension direction of the transverse column, the two groups of sliding blocks are provided with threaded through grooves in threaded matching with the bidirectional screw rod, and the rotation directions of the two groups of threaded through grooves are opposite.
Through adopting above-mentioned technical scheme, can drive two sets of sliders mutual motion through rotatory two-way lead screw to make drive pole and dwang rotate, the height that the rolling member was located will change, the removal transportation and the placing of the portal frame of being convenient for are fixed.
The utility model discloses further set up to: the rolling member is including placing the board, fixing the support of placing the board lower surface and rotating the gyro wheel of connecting in the support, and the lower fixed surface of mounting panel has been inlayed and has been established the ring, inlays the inner wall of establishing the ring and the lower surface of mounting panel and has enclosed the confession and place the board and slide and inlay the chamber of establishing of inlaying, inlays to establish the intracavity and is equipped with and is used for placing the spacing fixed spacing subassembly of board.
Through adopting above-mentioned technical scheme, to placing the spacing back of board through canceling spacing subassembly, can will place the board and establish the intracavity roll-off from inlaying to change the rolling piece of damage.
The utility model discloses further set up to: spacing subassembly is equipped with spacing post and promotion spacing post upper surface and contradicts in the elastic component of placing the board lower surface including seting up the standing groove on inlaying establishing the intra-annular wall in the standing groove, and spacing post slides and inlays to establish in the standing groove and its one end stretches out outside the standing groove.
Through adopting above-mentioned technical scheme, in the installation of rolling member, impress spacing post earlier in the standing groove, slide into again placing the board and inlay and establish the intracavity, then the elastic component will drive spacing post and stretch out outside the standing groove and contradict in the lower surface of placing the board, has guaranteed the stability of rolling member in the use.
The utility model discloses further set up to: the elastic component is a spring, two ends of the spring are respectively and fixedly connected to the wall of the limiting column and the wall of the placing groove, and the depth of the placing groove is larger than or equal to the sum of the length of the limiting column and the length of the spring when the spring is compressed to the maximum deformation.
By adopting the technical scheme, when the spring is in a natural state, the upper surface of the limiting column is abutted against the lower surface of the placing plate, so that the stability of the rolling piece in the using process is ensured; when the limiting column is completely pressed into the placing groove, the placing plate can be taken out from the embedding cavity, and the rolling piece is convenient to replace.
The utility model discloses further set up to: the limiting column stretches out one end outside the placing groove and is provided with a guide surface which inclines downwards and is convenient for the placing plate to press the limiting column into the placing groove.
Through adopting above-mentioned technical scheme, in the installation of rolling member, will place the board and slide and imbed to inlay and establish the intracavity and make it compress tightly in the spigot surface, place the board with sliding fit in the spigot surface and impress the standing groove to spacing post in to the installation of rolling member.
The utility model discloses further set up to: and two groups of reinforcing rods are arranged on the stand columns and are obliquely arranged, and two ends of each reinforcing rod are respectively and fixedly connected to the stand columns and the transverse columns.
Through adopting above-mentioned technical scheme, stiffener, stand and spreader have enclosed into the triangle-shaped structure for the spreader is difficult for buckling.
To sum up, the utility model discloses following beneficial effect has:
1. the arrangement of the transverse columns, the support columns, the rotating rods, the mounting plate and the rolling parts is convenient for moving and transporting the portal frame, and the stability of the portal frame during placement is ensured;
2. the arrangement of the driving rod, the sliding block and the bidirectional screw rod ensures the stability of the rolling piece when the rolling piece is abutted against the ground;
3. the setting of ring, standing groove, spacing post and spring is established to the inlay to change the rolling piece of damage.
Drawings
Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;
fig. 2 is a schematic structural view showing a mounting structure on a cross post in an embodiment of the present invention;
fig. 3 is a schematic sectional view showing the embedded ring and the rolling member according to the embodiment of the present invention.
In the figure: 1. a column; 11. a cross beam; 12. a cross post; 13. a reinforcing bar; 2. a support pillar; 21. rotating the rod; 22. mounting a plate; 3. a rolling member; 31. placing the plate; 32. a support; 33. a roller; 4. a driving component; 41. driving the rod; 42. a slider; 43. a chute; 44. a bidirectional screw rod; 45. a motor; 46. a first gear; 47. a second gear; 5. embedding a ring; 51. a placement groove; 52. a limiting column; 53. a spring; 54. a guide surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a movable double-column portal frame comprises two sets of columns 1 arranged at intervals and a beam 11 fixedly connected to the two sets of columns 1, wherein the two sets of columns 1 are provided with moving mechanisms.
As shown in fig. 1, the moving mechanism includes transverse columns 12 fixed at the bottom of the vertical column 1 and extending along the horizontal direction, two groups of transverse columns 12 are respectively provided with a reinforcing rod 13 disposed in an inclined manner, and two ends of the reinforcing rod 13 are respectively fixedly connected to the vertical column 1 and the transverse columns 12.
As shown in fig. 2, the bottom of spreader 12 is equipped with two sets of support columns 2 that extend along vertical direction and two sets of dwang 21 that are the symmetry setting and rotate and connect in spreader 12 lower surface, and the lower extreme of two sets of dwang 21 all rotates and is connected with mounting panel 22, all installs rolling member 3 on two sets of mounting panels 22, makes things convenient for the removal transportation of portal frame.
As shown in fig. 2, the transverse column 12 is provided with a driving assembly 4, the driving assembly 4 includes two sets of driving rods 41, one end of each of the two sets of driving rods 41 is rotatably connected to the corresponding mounting plate 22, and the other end of each of the two sets of driving rods 41 is rotatably connected to a sliding block 42; the two groups of transverse columns 12 are respectively provided with a sliding chute 43 extending along the extension direction of the transverse column 12, the sliding block 42 is embedded in the sliding chute 43 in a sliding manner, and the sliding direction of the sliding block 42 is parallel to the swinging plane of the rotating rod 21; the two groups of transverse columns 12 are respectively provided with a driving part, the driving parts are two-way screw rods 44 which are rotatably connected to the transverse columns 12 and extend along the extension direction of the transverse columns 12, the two groups of sliding blocks 42 are respectively provided with a threaded through groove in threaded fit with the two-way screw rods 44, and the rotation directions of the two groups of threaded through grooves are opposite. The two groups of sliding blocks 42 can be driven to move mutually by rotating the bidirectional screw rod 44, the driving rod 41 and the rotating rod 21 are driven to rotate, the height of the rolling part 3 is changed, and the portal frame is convenient to move, transport, place and fix.
As shown in fig. 2, the two sets of transverse columns 12 are fixed with motors 45, the output shafts of the two sets of motors 45 are fixedly sleeved with first gears 46, the two sets of first gears 46 are engaged with second gears 47, and the two sets of second gears 47 are fixedly sleeved outside the corresponding bidirectional screws 44. The first gear 46 is rotated by the motor 45, causing the second gear 47 and the bidirectional screw 44 to rotate, so as to adjust the height at which the rolling member 3 is located.
As shown in fig. 3, the rolling member 3 includes a placing plate 31, a bracket 32 fixed on the lower surface of the placing plate 31, and a roller 33 rotatably connected to the bracket 32, the lower surface of the mounting plate 22 is fixed with an embedding ring 5, and an embedding cavity for slidably embedding the placing plate 31 is defined by the inner wall of the embedding ring 5 and the lower surface of the mounting plate 22, so as to facilitate the installation of the rolling member 3.
As shown in fig. 3, a limiting component is arranged in the embedding cavity, the limiting component comprises two sets of placing grooves 51 symmetrically arranged on the inner walls of two opposite sides of the embedding ring 5, both sets of placing grooves 51 are provided with a limiting column 52 and an elastic element, the limiting column 52 is embedded in the placing groove 51 in a sliding manner, one end of the limiting column 52 extends out of the placing groove 51, and one end of the limiting column 52 extending out of the placing groove 51 is provided with a guide surface 54 inclining downwards; the elastic component is a spring 53, two ends of the spring 53 are respectively fixedly connected with the groove walls of the limiting column 52 and the placing groove 51, and the depth of the placing groove 51 is larger than or equal to the sum of the length of the limiting column 52 and the length of the spring 53 when the spring 53 is compressed to the maximum deformation.
In the installation process of the rolling element 3, the placing plate 31 is embedded into the embedding cavity in a sliding manner and is tightly pressed on the guide surface 54, the placing plate 31 is matched with the guide surface 54 in a sliding manner and presses the limiting column 52 into the placing groove 51, after the placing plate 31 is embedded into the embedding cavity, the spring 53 drives the limiting column 52 to extend out of the placing groove 51 and abut against the lower surface of the placing plate 31, and the stability of the rolling element 3 in the use process is ensured; the placing plate 31 can be slid out from the embedding cavity by pressing the limiting columns 52 into the placing grooves 51, so that the damaged rolling elements 3 can be replaced.
The implementation principle of the embodiment is as follows: when the portal frame needs to be moved and transported, the motor 45 drives the first gear 46 to rotate, the second gear 47 and the bidirectional screw rod 44 rotate, the two groups of sliding blocks 42 are made to be away from each other, the driving rod 41 and the rotating rod 21 rotate and make the roller 33 abut against the ground, the supporting column 2 is separated from the ground, and the upright column 1 is pushed to complete the moving and transporting of the portal frame.
When the portal frame moves to a designated position, the motor 45 drives the first gear 46 to rotate, the second gear 47 and the bidirectional screw 44 rotate, the two groups of sliding blocks 42 are enabled to be close to each other, the driving rod 41 and the rotating rod 21 rotate, the roller 33 is enabled to be separated from the ground, the supporting column 2 abuts against the ground, and the stability of the portal frame is guaranteed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a portable twin columns portal frame, includes that two sets of stand (1) and fixed connection that are the interval and set up in crossbeam (11) of two sets of stands (1), its characterized in that: all be equipped with moving mechanism on two sets of stands (1), moving mechanism is including fixing spreader (12) that extend in stand (1) bottom and along the horizontal direction, the bottom of spreader (12) is equipped with a plurality of conflicts in ground and along support column (2) that vertical direction extends and two sets of dwang (21) that are the symmetry setting and rotate to be connected in spreader (12), and the lower extreme of two sets of dwang (21) all is equipped with mounting panel (22), all install rolling member (3) on two sets of mounting panels (22), be equipped with on spreader (12) and drive the synchronous antiport of two sets of dwang (21) and make rolling member (3) conflict in drive subassembly (4) on ground.
2. The mobile double-column portal frame of claim 1, wherein: drive subassembly (4) including two sets of drive rod (41), the one end of two sets of drive rod (41) rotates respectively to be connected in mounting panel (22) that correspond, the other end of two sets of drive rod (41) all rotates and is connected with slider (42), the extending direction of spreader (12) is all followed in two sets of sliders (42) slides and is connected in spreader (12), the slip direction of slider (42) parallels with the swing plane of dwang (21), be equipped with on spreader (12) and drive the driving piece that two sets of sliders (42) are close to each other or keep away from each other, all dwang (21) all rotate and connect in mounting panel (22) that correspond.
3. The mobile double-column portal frame of claim 2, wherein: the driving piece is a bidirectional screw rod (44) which is rotatably connected to the transverse column (12) and extends along the extension direction of the transverse column (12), two groups of sliding blocks (42) are provided with threaded through grooves in threaded fit with the bidirectional screw rod (44), and the rotation directions of the two groups of threaded through grooves are opposite.
4. The mobile double-column portal frame of claim 1, wherein: the rolling member (3) is including placing board (31), fixing support (32) and rotation connection in gyro wheel (33) of support (32) of placing board (31) lower surface, and the lower fixed surface of mounting panel (22) is equipped with inlays establishes ring (5), inlays the inner wall of establishing ring (5) and the lower surface of mounting panel (22) and has enclosed the chamber of establishing that inlays that supplies to place board (31) slip and establish, inlays to establish the intracavity and is equipped with and is used for placing the spacing fixed spacing subassembly of board (31).
5. The mobile double-column portal frame of claim 4, wherein: spacing subassembly is including offering laying groove (51) on inlaying establishing ring (5) inner wall, be equipped with spacing post (52) in placing groove (51) and promote spacing post (52) upper surface to contradict in the elastic component of placing plate (31) lower surface, and spacing post (52) slide to inlay and establish in placing groove (51) and its one end stretches out outside placing groove (51).
6. The mobile double-column portal frame of claim 5, wherein: the elastic piece is a spring (53), two ends of the spring (53) are respectively and fixedly connected to the groove walls of the limiting column (52) and the placing groove (51), and the depth of the placing groove (51) is larger than or equal to the sum of the length of the limiting column (52) and the length of the spring (53) when the spring is compressed to the maximum deformation.
7. The mobile double-column portal frame of claim 5, wherein: one end of the limiting column (52) extending out of the placing groove (51) is provided with a guide surface (54) which is inclined downwards and is convenient for the placing plate (31) to press the limiting column (52) into the placing groove (51).
8. The mobile double-column portal frame of claim 1, wherein: two sets of all be equipped with stiffener (13) that are the slope and set up on stand (1), the both ends of stiffener (13) are fixed connection respectively in stand (1) and spreader (12).
CN201921416341.1U 2019-08-28 2019-08-28 Movable double-column portal frame Active CN210457201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921416341.1U CN210457201U (en) 2019-08-28 2019-08-28 Movable double-column portal frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921416341.1U CN210457201U (en) 2019-08-28 2019-08-28 Movable double-column portal frame

Publications (1)

Publication Number Publication Date
CN210457201U true CN210457201U (en) 2020-05-05

Family

ID=70431934

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921416341.1U Active CN210457201U (en) 2019-08-28 2019-08-28 Movable double-column portal frame

Country Status (1)

Country Link
CN (1) CN210457201U (en)

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