CN214302784U - Tiltable movable frame - Google Patents
Tiltable movable frame Download PDFInfo
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- CN214302784U CN214302784U CN202023040061.0U CN202023040061U CN214302784U CN 214302784 U CN214302784 U CN 214302784U CN 202023040061 U CN202023040061 U CN 202023040061U CN 214302784 U CN214302784 U CN 214302784U
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model relates to a scaffold frame field is used in the construction, especially relates to tiltable adjustable shelf. The device comprises a chassis with moving wheels at the bottom and a movable platform above the chassis for bearing personnel, wherein vertical lifting devices are respectively arranged at the front side and the rear side of the chassis, the bottom of each vertical lifting device is fixed on a base, the top of each vertical lifting device is connected with the movable platform, and the vertical lifting devices drive the movable platform to move up and down; the movable platform is hinged with one of the vertical lifting devices and is connected with the other vertical lifting device in a sliding way; the vertical lifting device comprises a door-shaped support and a linear driving mechanism for driving the support to move up and down, the support comprises a left telescopic rod and a right telescopic rod which are vertically fixed on the chassis, the upper ends of the telescopic rods are connected through a cross beam, and one end of the linear driving mechanism is installed on the chassis and the other end of the linear driving mechanism is connected with the cross beam. Through the technical scheme, the front end and the rear end of the movable platform are independently controlled by the two vertical lifting mechanisms, so that the movable platform can be lifted and inclined to adapt to different construction environments.
Description
Technical Field
The utility model relates to a scaffold frame field is used in the construction, especially relates to a tilting adjustable shelf.
Background
The movable frame is used for subsequent operation on half-height positions such as a roof after building construction is completed and is a platform for workers to stand. Most of the existing movable frames are simple frames, then the movable wheels are additionally arranged below the existing movable frames, and constructors stand on a standing platform on the frames, but the height of the movable frames is difficult to adjust, and the height can be changed only by setting up the movable frames again.
Therefore, some movable frames can be lifted by using the scissor fork mechanism, and the movable frames have the advantages of large lifting range and simple operation. However, the stability of the scissor mechanism is poor due to the inherent characteristics of the scissor mechanism, and the movable frame is not flexible when applied to a roof or a field with an angle because some roof structures are not horizontal but have a certain angle.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a tiltable adjustable frame.
The technical problem to be solved is that: the movable platform of the existing movable frame for bearing personnel can only do simple lifting movement, and is inconvenient to use on a roof with an inclined angle.
In order to solve the technical problem, the utility model relates to a tilting adjustable shelf adopts following scheme.
A tiltable movable frame comprises a chassis with movable wheels at the bottom and a movable platform above the chassis for bearing personnel, wherein the front side and the rear side of the chassis are respectively provided with a vertical lifting device which can independently move, the bottom of the vertical lifting device is fixed on a base, the top of the vertical lifting device is connected with the movable platform, and the vertical lifting device drives the movable platform to move up and down; the movable platform is hinged with one of the vertical lifting devices and is connected with the other vertical lifting device in a sliding way;
the vertical lifting device comprises a door-shaped support and a linear driving mechanism for driving the support to move up and down, the support comprises a left telescopic rod and a right telescopic rod which are vertically fixed on the chassis, the upper ends of the telescopic rods are connected through a cross beam, and one end of the linear driving mechanism is installed on the chassis and the other end of the linear driving mechanism is connected with the cross beam.
Further, the two vertical lifting devices are respectively a first lifting device and a second lifting device; the top of a telescopic rod of the first lifting device is hinged with the bottom surface of the movable platform; the top of a telescopic rod of the second lifting device is hinged with a clamping groove, the openings of the two clamping grooves are oppositely arranged, and the left edge and the right edge of the movable platform are respectively arranged in the openings of the clamping grooves and can slide along the clamping grooves.
Further, the linear driving mechanism is a hydraulic cylinder or an electric push rod or a jack.
Furthermore, the telescopic rod comprises a sleeve vertically fixed on the chassis and a sleeve rod sliding in the sleeve, a plurality of positioning holes are respectively and vertically arranged on the sleeve and the sleeve at intervals, and a pin shaft is inserted into the positioning holes to lock the sleeve and the sleeve rod; and the two ends of the cross beam are fixedly connected with the loop bars.
Furthermore, the linear driving mechanism comprises a gear, a rack rod, a hand crank and a mounting seat on the chassis, the rack rod is vertically arranged and is in sliding connection with the mounting seat, and the top of the rack rod is connected with the beam; the gear is connected on the mounting seat in a rotating mode, the gear is meshed with the rack rod, and the hand crank is connected with the gear and used for driving the gear to rotate to drive the rack rod to move up and down.
Furthermore, the casing pipe is connected with the chassis or other casing pipes through the diagonal brace, and the diagonal brace is connected with the casing pipe through the fastener.
Furthermore, a group of moving wheels are respectively arranged at the front and the rear of the chassis, and a plurality of moving wheels are arranged at the left and the right of each group at intervals; one group of movable wheels is fixed wheels, and the other group of movable wheels is universal wheels.
Furthermore, the periphery of the chassis is also provided with a support leg structure used for supporting the ground.
Furthermore, the supporting leg structure comprises a telescopic mechanism and a supporting leg disc, the telescopic mechanism is installed on the base disc, and the tail end of the telescopic mechanism is connected with the supporting leg disc used for increasing the contact area with the ground.
Furthermore, guard rails are arranged around the movable platform.
Compared with the prior art, the utility model, a tilting adjustable shelf has following beneficial effect:
the front end and the rear end of the movable platform are supported by the two vertical lifting devices which move independently, so that the movable platform can have a height difference when the heights of the two vertical lifting devices are different, and the movable platform is suitable for an inclined roof. Simultaneously in order to compensate the difference of the top interval when two vertical lift device's height differs, so a vertical lift device is connected with the movable platform is articulated, another vertical lift device rotates and is connected with the draw-in groove, through draw-in groove sliding connection movable platform, like this when two vertical lift device's elevating movement is inconsistent, connect the roof that lets movable platform slope adaptation slope through movable platform's articulated, utilize the slip of movable platform in the draw-in groove to compensate the distance difference at vertical lift device top simultaneously.
The clamping groove connected with the vertical lifting device on the left side can prevent the movable platform from being overturned or separated from the top of the vertical lifting device, and the vertical lifting device on the right side is directly hinged with the movable platform and can prevent the movable platform from sliding randomly in the clamping groove by taking the hinged shaft as a fulcrum.
Drawings
FIG. 1 is a side view of a tiltable movable frame of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1, i.e., a cross-sectional view of a first elevator device position;
FIG. 3 is a cross-sectional view B-B of FIG. 1, i.e., a cross-sectional view of the second elevator device position;
description of reference numerals: the device comprises a chassis 1, a movable platform 2, a movable wheel 3, a vertical lifting device 4, a support 4a, a telescopic rod 4a1, a crossbeam 4a2, a linear driving mechanism 4b, a rack bar 4b1, a gear 4b2, a hand crank 4b3, a mounting seat 4b4, supporting legs 5, diagonal supporting rods 6 and clamping grooves 7.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "front, rear, upper, lower, left, and right" used generally refer to front, rear, upper, lower, left, and right with respect to the forward direction of the chassis 1; the references to up, down, left, and right with respect to a drawing figure are indicated in the context of non-compliance with the default. "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
In order to solve the problem that the movable platform 2 of the existing movable frame for carrying people can only do simple lifting movement and is inconvenient to use on a roof with an inclination angle, the utility model provides a tiltable movable frame, as shown in figures 1-3.
A tiltable movable frame comprises a chassis 1 with movable wheels 3 at the bottom and a movable platform 2 above the chassis 1 for bearing personnel, wherein the front side and the rear side of the chassis 1 are respectively provided with a vertical lifting device 4 which can move independently, the bottom of the vertical lifting device 4 is fixed on a base, the top of the vertical lifting device 4 is connected with the movable platform 2, and the vertical lifting device 4 drives the movable platform 2 to move up and down; the movable platform 2 is hinged with one vertical lifting device 4 and is connected with the other vertical lifting device 4 in a sliding way;
the vertical lifting device 4 comprises a door-shaped bracket 4a and a linear driving mechanism 4b for driving the bracket 4a to move up and down, the bracket 4a comprises a left telescopic rod 4a1 and a right telescopic rod 4a1 which are vertically fixed on the chassis 1, the upper ends of the telescopic rods 4a1 are connected through a cross beam 4a2, and one end of the linear driving mechanism 4b is installed on the chassis 1, and the other end of the linear driving mechanism 4b is connected with the cross beam 4a 2.
The front end and the rear end of the movable platform 2 are supported by the two vertical lifting devices 4 which move independently, so that the movable platform 2 can have a height difference when the heights of the two vertical lifting devices 4 are different, and the movable platform is suitable for an inclined roof. Simultaneously in order to compensate two vertical lift device 4 and do elevating movement alone, as shown in fig. 1, so when the height differs the difference of two vertical lift device 4's top interval, in order to compensate this length difference, so vertical lift device 4 on right side is articulated with movable platform 2 and is connected, and left vertical lift device 4 rotates and is connected with draw-in groove 7, through draw-in groove 7 sliding connection movable platform 2. Therefore, when the lifting motions of the two vertical lifting devices 4 are inconsistent, the movable platform 2 is connected through the hinge joint of the movable platform 2 to enable the movable platform 2 to incline to adapt to the inclined roof, and meanwhile, the distance difference between the tops of the vertical lifting devices 4 is compensated by the sliding of the movable platform 2 in the clamping groove 7. The clamping groove 7 can be supported by channel steel, and the groove of the channel steel is used for clamping the edge of the movable platform 2.
The clamping groove 7 connected with the left vertical lifting device 4 can prevent the movable platform 2 from being overturned or separated from the top of the vertical lifting device 4, and the right vertical lifting device 4 is directly hinged with the movable platform 2 and can prevent the movable platform 2 from sliding randomly in the clamping groove 7 by taking a hinged shaft as a fulcrum.
The chassis 1 is a platform provided with moving wheels 3 and then used for bearing other equipment, mainly a vertical lifting device 4, and is similar to the chassis 1. The chassis 1 may be a steel plate but this would have a relatively large mass and is therefore preferably welded to a frame structure using steel sections. The movable platform 2 is a platform for workers to stand to construct high places, the upper surface of the movable platform 2 has enough roughness to ensure friction force, the movable platform 2 is preferably of a steel frame structure, wood or light weight is used in the middle, and the upper surface of the movable platform 2 has larger grains to ensure the stability of the workers standing after the workers incline. Guard rails 2a are preferably provided around the movable platform 2 for a person to grasp and lean against.
As shown in fig. 1 and 2, the vertical lifting device 4 mainly includes a support 4a for supporting the movable platform 2 and ensuring only vertical movement, and a linear driving mechanism 4b for driving the movable platform to move. The support 4a is in a door shape, two telescopic legs 5 are fixed on the chassis 1 at the bottom, a beam 4a2 is connected with the two legs 5, wherein the beam 4a2 can comprise a plurality of beams. The telescopic leg 5 comprises a sleeve and a sleeve rod, and the sleeve rod can be connected and reinforced through a plurality of horizontal supporting rods.
The beam 4a2 is connected to the strut and the linear drive mechanism 4b pushes the beam 4a2 to push the strut. The movable platform 2 can be directly connected to the top of the telescopic bar 4a1, as shown in fig. 2, or can be connected to the cross beam 4a 2. The linear driving mechanism 4b can be a hydraulic cylinder or an electric push rod or a jack, and preferably as shown in fig. 2, the linear driving mechanism 4b comprises a gear 4b2, a rack rod 4b1, a hand crank 4b3 and a mounting seat 4b4 on the chassis 1, wherein the rack rod 4b1 is vertically arranged and is in sliding connection with the mounting seat 4b4, and the top of the rack rod 4b1 is connected with a cross beam 4a 2; the gear 4b2 is rotatably connected to the mounting seat 4b4, the gear 4b2 is meshed with the rack rod 4b1, and the crank 4b3 is connected with the gear 4b2 and is used for driving the gear 4b2 to rotate so as to drive the rack rod 4b1 to move up and down.
As shown in fig. 1, the vertical lifting device 4 includes two, and a first lifting device is located on the right side of fig. 1, and a second lifting device is located on the left side of fig. 1, where the first and second lifting devices are merely distinguished for convenience of description. The top of the telescopic rod 4a1 of the first lifting device is hinged with the bottom surface of the movable platform 2; the top of the telescopic rod 4a1 of the second lifting device is hinged with the clamping groove 7, the openings of the two clamping grooves 7 are arranged oppositely, and the left edge and the right edge of the movable platform 2 are respectively arranged in the openings of the clamping grooves 7 and can slide along the clamping grooves 7.
The telescopic rod 4a1 comprises a sleeve vertically fixed on the chassis 1 and a sleeve rod sliding in the sleeve, a plurality of positioning holes are vertically arranged on the sleeve and the sleeve at intervals respectively, and a pin shaft is inserted into the positioning holes to lock the sleeve and the sleeve rod; the two ends of the cross beam 4a2 are fixedly connected with the sleeve rods, ribbed plates can be added between the bottom of the sleeve and the chassis 1 for reinforcement, or the sleeve pipes of two different vertical lifting devices 4 are connected by additionally arranging horizontal rods, and the horizontal rods and the sleeve pipes can be connected by fasteners. The casing pipe is still connected with chassis 1 or with other sleeve pipes through diagonal brace 6, and diagonal brace 6 passes through the fastener with the casing pipe and is connected.
A group of moving wheels 3 are respectively arranged at the front and the rear of the chassis 1, and a plurality of moving wheels 3 are arranged at left and right intervals; one group of moving wheels 3 is fixed wheels, and the other group of moving wheels is universal wheels.
Meanwhile, in order to further improve the stability, the periphery of the chassis 1 is also provided with a support leg 5 structure for supporting the ground. The supporting leg 5 structure comprises a telescopic mechanism and a supporting leg disc, the telescopic mechanism is installed on the chassis 1, and the tail end of the telescopic mechanism is connected with the supporting leg disc used for increasing the contact area with the ground. The telescopic mechanism can be an electric push rod or a hydraulic cylinder, and can also adopt a rigid structure, and then a cushion block is added below the supporting leg plate.
The utility model discloses a working method: when the telescopic handle is used, the hand levers 4b3 on the left side and the right side are rotated according to actual use conditions, the hand levers 4b3 drive the gears 4b2 to rotate, the gears 4b2 drive the rack rods 4b1 to move up and down, and further the cross beam 4a2 drives the telescopic rods 4a1 to move in a telescopic mode. Like this alright follow the lift of the left and right sides independent control movable platform 2 of figure 1, when the high nonconformity of both ends lift about movable platform 2, movable platform 2 rotates around left articulated shaft, and whole movable platform 2 takes place to incline, and draw-in groove 7 is also driven rotatoryly by movable platform 2 simultaneously, and movable platform 2 slides in draw-in groove 7 and comes the length difference of compensating two articulated shafts about.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not limited to the scope of the present invention, and the ordinary skilled person in the art can modify and improve the technical solution of the present invention without departing from the design spirit of the present invention, including using the present invention in old house decoration, and all should fall into the protection scope defined by the claims of the present invention.
Claims (10)
1. A tiltable movable frame comprises a chassis (1) with movable wheels (3) at the bottom and a movable platform (2) arranged above the chassis (1) and used for bearing personnel, and is characterized in that the front side and the rear side of the chassis (1) are respectively provided with a vertical lifting device (4) which can independently move, the bottom of the vertical lifting device (4) is fixed on a base, the top of the vertical lifting device is connected with the movable platform (2), and the vertical lifting device (4) drives the movable platform (2) to move up and down; the movable platform (2) is hinged with one vertical lifting device (4) and is connected with the other vertical lifting device (4) in a sliding way;
vertical lift device (4) are including portal's support (4 a) and linear drive mechanism (4 b) of drive support (4 a) up-and-down motion, support (4 a) are including controlling two vertical telescopic links (4 a 1) of fixing on chassis (1), and telescopic link (4 a 1) upper end is passed through crossbeam (4 a 2) and is connected, and linear drive mechanism (4 b) one end is installed on chassis (1) other end and is connected crossbeam (4 a 2).
2. A tiltable movable frame according to claim 1, wherein said two vertical lifting devices (4) are a first lifting device and a second lifting device, respectively; the top of a telescopic rod (4 a 1) of the first lifting device is hinged with the bottom surface of the movable platform (2); clamping grooves (7) are hinged to the top of a telescopic rod (4 a 1) of the second lifting device, openings of the two clamping grooves (7) are arranged oppositely, and the left edge and the right edge of the movable platform (2) are respectively installed in the openings of the clamping grooves (7) and can slide along the clamping grooves (7).
3. A tiltable movable frame according to claim 1, wherein said linear drive mechanism (4 b) is a hydraulic cylinder or an electric push rod or a jack.
4. A tiltable movable frame as claimed in claim 1, wherein said telescopic rod (4 a 1) comprises a sleeve fixed vertically on the chassis (1) and a sleeve rod sliding in the sleeve, said sleeve and sleeve are respectively provided with a plurality of positioning holes spaced vertically, and a pin is inserted into the positioning holes to lock the sleeve and sleeve rod; and two ends of the cross beam (4 a 2) are fixedly connected with the loop bar.
5. A tiltable movable frame according to claim 4, wherein said linear driving mechanism (4 b) comprises a gear (4 b 2), a rack bar (4 b 1), a hand crank (4 b 3) and a mounting seat (4 b 4) on the chassis (1), the rack bar (4 b 1) is vertically arranged and slidably connected with the mounting seat (4 b 4), and the top of the rack bar (4 b 1) is connected with the beam (4 a 2); the gear (4 b 2) is rotatably connected to the mounting seat (4 b 4), the gear (4 b 2) is meshed with the rack rod (4 b 1), and the hand crank (4 b 3) is connected with the gear (4 b 2) and used for driving the gear (4 b 2) to rotate to drive the rack rod (4 b 1) to move up and down.
6. A tiltable mobile frame as claimed in claim 4, wherein the sleeves are further connected to the chassis (1) or to other sleeves by means of a diagonal brace (6), the diagonal brace (6) being connected to the sleeves by fasteners.
7. A tiltable movable frame according to claim 1, wherein a set of movable wheels (3) is respectively arranged in front and at back of the chassis (1), and a plurality of movable wheels (3) are arranged at left and right intervals; one group of moving wheels (3) is fixed wheels, and the other group of moving wheels is universal wheels.
8. A tiltable mobile frame as claimed in claim 1, characterised in that the chassis (1) is further provided with leg (5) formations around its periphery for supporting the ground.
9. A tiltable movable frame according to claim 1, characterised in that the leg (5) structure comprises a telescopic mechanism mounted on the chassis (1) and a leg plate to which the telescopic mechanism is attached at its end for increasing the contact area with the ground.
10. A tiltable movable frame according to claim 1, wherein said movable platform (2) is further provided with guard rails (2 a) around its periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023040061.0U CN214302784U (en) | 2020-12-16 | 2020-12-16 | Tiltable movable frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023040061.0U CN214302784U (en) | 2020-12-16 | 2020-12-16 | Tiltable movable frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214302784U true CN214302784U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023040061.0U Active CN214302784U (en) | 2020-12-16 | 2020-12-16 | Tiltable movable frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214302784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113805303A (en) * | 2021-09-03 | 2021-12-17 | 浙江可胜技术股份有限公司 | Heliostat mirror body installation device |
| CN117605253A (en) * | 2024-01-24 | 2024-02-27 | 山西冶金岩土工程勘察有限公司 | Be applied to building's high stability scaffold frame |
-
2020
- 2020-12-16 CN CN202023040061.0U patent/CN214302784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113805303A (en) * | 2021-09-03 | 2021-12-17 | 浙江可胜技术股份有限公司 | Heliostat mirror body installation device |
| CN117605253A (en) * | 2024-01-24 | 2024-02-27 | 山西冶金岩土工程勘察有限公司 | Be applied to building's high stability scaffold frame |
| CN117605253B (en) * | 2024-01-24 | 2024-03-26 | 山西冶金岩土工程勘察有限公司 | Be applied to building's high stability scaffold frame |
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