CN107140575A - A kind of manual lead screw formula lift truck - Google Patents
A kind of manual lead screw formula lift truck Download PDFInfo
- Publication number
- CN107140575A CN107140575A CN201710566885.5A CN201710566885A CN107140575A CN 107140575 A CN107140575 A CN 107140575A CN 201710566885 A CN201710566885 A CN 201710566885A CN 107140575 A CN107140575 A CN 107140575A
- Authority
- CN
- China
- Prior art keywords
- support frame
- frame body
- assembled
- support
- lead screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of manual lead screw formula lift truck, including underframe, its bottom is provided with roller；Handle rack, its bottom is assembled in the rear side of the underframe；Two lift adjustment support frames, are assembled in the left and right sides of the underframe；Lifting platform, is assembled in the top of the lift adjustment support frame；Transmission component, is assembled in the rear side of the underframe, and is connected at least one described lift adjustment support frame；Hand-held drive rod, is assembled on the handle frame, and the bottom of the hand-held drive rod is connected to the transmission component；The hand-held drive rod adjusts the lift adjustment support frame, and the height of the table top vertical direction by the lift adjustment support frame regulation lifting platform by transmission component.
Description
Technical Field
The invention relates to the field of hand-pushed lifting trucks and the like, in particular to a manual screw rod type lifting truck.
Background
At present, a pharmaceutical factory needs to transfer a sterilization frame between a transfer cabinet and a channel, and the sterilization frame is butted with equipment by a tool car to be installed. In addition, since such a lift car needs to be used in a clean area and does not allow electricity, gas, or oil, only a manual lift car is used.
The manual formula lift truck that has now, when the transportation, can't be suitable for the use and the regulation of multiple occasion, often can appear because of each sterilization cabinet, passageway and the highly inequality landing, altitude mixture control or the unable effective regulation scheduling problem of the level nature of elevating platform of feeding that produces of loading.
Disclosure of Invention
The purpose of the invention is: the utility model provides a manual lead screw formula lift truck, the height that can effectual regulation lift truck satisfies the requirement that uses under each occasion.
The technical scheme for realizing the purpose is as follows: a manual screw rod type lift truck comprises a bottom frame, wherein the bottom of the bottom frame is provided with a roller; a handle frame, the bottom of which is assembled at the rear side of the underframe; two lifting adjusting support frames assembled at the left side and the right side of the underframe; the lifting platform is assembled above the lifting adjusting support frame; the transmission assembly is assembled at the rear side of the underframe and is connected to at least one lifting adjusting support frame; the handheld driving rod is assembled on the handle frame, and the bottom of the handheld driving rod is connected to the transmission assembly; the handheld driving rod is adjusted through the transmission assembly, the lifting adjusting support frame is adjusted, and the height of the table board of the lifting table in the vertical direction is adjusted through the lifting adjusting support frame.
In a preferred embodiment of the present invention, the handle frame includes a first frame body which is a rectangular frame body; the handle part is a U-shaped part, and two ends of the bottom of the handle part are respectively connected with two side ends of the upper part of the first frame body in a combined mode.
In a preferred embodiment of the present invention, the hand-held driving lever includes a driving lever body, an upper portion of which is rotatably assembled at a middle position of an upper portion of the first frame body, and a lower portion of which is rotatably assembled at a middle position of a lower portion of the first frame body and is in transmission connection with the transmission assembly; a rocking handle assembled on the upper part of the driving rod body; when the rocking handle drives the driving rod body to rotate along the warp direction of the driving rod body, the driving rod body adjusts the lifting adjusting support frame to lift through the transmission assembly.
In a preferred embodiment of the present invention, the transmission assembly includes a steering gear connected to a lower portion of the driving rod and the lifting adjustment support frame; the horizontal screw rod is arranged along the Y-axis direction, one end of the horizontal screw rod is connected with the steering gear in a group mode, and the other end of the horizontal screw rod is assembled on an installation seat arranged on the bottom frame in a rotating mode; and defining the front and back direction of the underframe as the Y-axis direction and defining the left and right direction of the underframe as the X-axis direction.
In a preferred embodiment of the present invention, the lifting adjusting support comprises a first support body, which is in a rod shape, and the upper end of the first support body is hinged to the front part of the bottom surface of the lifting platform, and the lower end of the first support body of at least one lifting adjusting support is assembled to the horizontal screw rod through a nut; the second support frame body is in a rod shape, the upper end of the second support frame body is hinged to the rear part of the bottom surface of the lifting platform, and the lower end of the second support frame body is hinged to the front part of the bottom frame; the first support frame body and the second support frame body are mutually crossed into a scissors shape, and the crossed part of the first support frame body and the second support frame body is hinged; the movable support guide rails are respectively assembled on two sides of the underframe or the lifting platform and are arranged along the Y-axis direction; one end of the first support frame body and/or one end of the second support frame body are/is respectively assembled on the movable support guide rail.
In a preferred embodiment of the present invention, a support roller is disposed at a lower end of the first support frame body, and the lower end of the first support frame body is connected to the movable support rail through the support roller.
In a preferred embodiment of the present invention, an adjustable supporting member is disposed between the bottom frame and the rear portion of the lifting platform.
In a preferred embodiment of the present invention, a buffer is disposed between the bottom frame and the middle portion of the lifting platform.
In a preferred embodiment of the present invention, the buffer is a gas spring.
The invention has the advantages that: according to the manual screw rod type lift truck, the handheld driving rod converts the rotation in the vertical direction into the rotation in the horizontal direction through the steering gear; the horizontal screw rod rotates to drive the nut to move horizontally; the horizontal movement of the nut changes the angle of the scissors fork, thereby realizing the lifting of the lifting platform. The horizontal screw rod transmission can enable the lifting platform to be lowered to a low enough height, and the lifting platform is suitable for places needing low positions;
the manual operation position is lifted through the steering gear, so that the operation of people is convenient and comfortable; the supporting rollers are arranged on the two sides of the screw rod of the scissors fork, so that the force of the screw rod in the whole vertical direction is counteracted, the screw rod only bears the axial force, the screw rod cannot be bent, and the service life of the screw rod is ensured; the air springs with proper thrust are arranged on two sides of the lifting platform, so that the weight of an object on the lifting platform can be offset, the axial force of the screw rod is reduced, manual lifting is easier, the abrasion between the screw rod and the nut is reduced, and the service life of the screw rod is prolonged.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is a perspective view of a manual lead screw lift truck in an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a manual lead screw lift truck in an embodiment of the present invention.
Wherein,
1, a chassis; 2, a handle frame;
3 lifting and adjusting the support frame; 4, lifting the platform;
5, a transmission component; 6 a hand-held drive rod;
7 an adjustable support; 8 buffer parts;
9, rolling wheels; 21 a first frame body;
22 a handle portion; 31 a first support frame body;
32 a second support frame body; 33 supporting the rollers;
34 moving the support rail; 35 a nut;
51 a diverter; 52 horizontal lead screw;
61 driving the rod body; 62 the handle is rocked.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
In an embodiment, as shown in fig. 1 and 2, a manual screw rod type lift truck includes an underframe 1, a handle frame 2, a lifting adjusting support frame 3, a lifting platform 4, a transmission assembly 5, a handheld driving rod 6, an adjusting support 7, and a buffer 8.
In this embodiment, the bottom of the bottom frame 1 is provided with rollers 9, and the four rollers 9 are respectively arranged at four corners of the bottom frame 1. In this embodiment, the front-back direction of the chassis 1 is defined as the Y-axis direction, and the left-right direction of the chassis 1 is defined as the X-axis direction.
In this embodiment, the bottom of the handle frame 2 is assembled to the rear side of the base frame 1. Specifically, this handle frame 2 includes first support body 21, handle portion 22, first support body 21 is the rectangle framework, this first support body 21 perpendicular to chassis 1 or this first support body 21 with chassis 1 is by square pipe integral type assembly moulding. The handle portion 22 is a "-shaped" member, and both ends of the bottom of the handle portion 22 are respectively coupled to both side ends of the upper portion of the first frame body 21. When the handle part 22 is assembled, the handle part 22 is inclined from bottom to top to the rear of the chassis 1, and an inclined angle is formed between the handle part 22 and the first frame body 21, wherein the inclined angle is 120-170 degrees, and preferably 150 degrees. Thus facilitating manual pushing.
In this embodiment, the handheld driving lever 6 includes a driving lever 61 and a shaking handle 62, an upper portion of the driving lever 61 is rotatably assembled in an intermediate position of an upper portion of the first frame 21, and a lower portion of the driving lever 61 is rotatably assembled in an intermediate position of a lower portion of the first frame 21 and is in transmission connection with the transmission assembly 5; the swing handle 62 is assembled to an upper portion of the driving lever body 61. When the swing handle 62 drives the driving rod 61 to rotate along the radial direction of the driving rod 61, the driving force direction is converted from the radial direction along the driving rod to the Y-axis direction through the transmission assembly 5. At this time, the transmission assembly 5 adjusts the lifting and lowering adjusting support frame 3 to lift and lower.
In this embodiment, the transmission assembly 5 is assembled to the rear side of the chassis 1. Specifically, the transmission assembly 5 includes a steering gear 51 and a horizontal screw 52. The deflector 51 is connected to the lower portion of the driving rod 61 and the lift adjusting support frame 3. The horizontal screw 52 is disposed in the Y-axis direction, and its rear end is coupled to the steering gear 51. At least one of the two lift-adjusting support frames 3 is coupled to the horizontal screw 52. When the driving rod 61 generates a driving force along the longitudinal direction of the driving rod 61, the driving force is converted from the longitudinal direction of the driving rod to the longitudinal direction of the horizontal screw 52 by the steering gear 51, that is, when the driving rod 61 rotates, the horizontal screw 52 is driven by the steering gear 51 to rotate.
In this embodiment, the two lifting/lowering adjustment support frames 3 are respectively assembled on the left and right sides of the bottom frame 1. Specifically, the lifting adjustment support frame 3 includes a first support frame body 31, a second support frame body 32, a support roller 33, a movable support rail 34 and a nut 35, the first support frame body 31 is rod-shaped, and the upper end of the first support frame body 31 is hinged to the front portion of the bottom surface of the lifting table 4, the lower end of one of the first support frame bodies 31 of the two lifting adjustment support frames 3 is assembled on the movable support rail 34 on the horizontal screw 53 through the support roller 33, and the lower end of the other first support frame body 31 is assembled on the horizontal screw 52 through the nut 35 or on the movable support rail 34 on the bottom frame 1 through the support roller 33. The second support frame body 32 is rod-shaped, and its upper end is hinged to the moving support rail 34 at the rear of the bottom surface of the lifting table 4, and its lower end is hinged to the moving support rail 34 at the front of the base frame 1. The first support frame body 31 and the second support frame body 32 are mutually crossed to form a scissors shape, and the crossed part of the first support frame body 31 and the second support frame body 32 is hinged. The moving support rails 34 are respectively assembled on both sides of the base frame 1 or the lifting table 4, and are arranged in the Y-axis direction.
When the horizontal screw 52 rotates, the nut 35 drives the lower end of the first support frame body 31 to move along the rod body direction of the horizontal screw 52, at this time, the opening and closing angle at which the first support frame body 31 and the second support frame body 32 are crossed changes, and the height of the lifting table 4 is adjusted through the change of the opening and closing angle. And the height of the vertical direction of the table top of the lifting table 4 is adjusted through the lifting adjusting support frame 3.
The adjustable support 7 is arranged between the base frame 1 and the rear part of the lifting platform 4. A buffer member 8 is arranged between the bottom frame 1 and the middle part of the lifting platform 4, and the buffer member 8 is an air spring.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A manual screw rod type lift truck is characterized by comprising
The bottom of the chassis is provided with a roller;
a handle frame, the bottom of which is assembled at the rear side of the underframe;
two lifting adjusting support frames assembled at the left side and the right side of the underframe;
the lifting platform is assembled above the lifting adjusting support frame;
the transmission assembly is assembled at the rear side of the underframe and is connected to at least one lifting adjusting support frame;
the handheld driving rod is assembled on the handle frame, and the bottom of the handheld driving rod is connected to the transmission assembly;
the handheld driving rod is adjusted through the transmission assembly, the lifting adjusting support frame is adjusted, and the height of the lifting platform in the vertical direction is adjusted through the lifting adjusting support frame.
2. The manual lead screw lift car of claim 1, wherein the handle frame comprises
The first frame body is a rectangular frame body;
the handle part is a U-shaped part, and two ends of the bottom of the handle part are respectively connected with two side ends of the upper part of the first frame body in a combined mode.
3. The manual lead screw lift car of claim 2, wherein the hand-held drive rod comprises
The upper part of the driving rod body is rotatably assembled in the middle position of the upper part of the first frame body, and the lower part of the driving rod body is rotatably assembled in the middle position of the lower part of the first frame body and is in transmission connection with the transmission assembly;
a rocking handle assembled on the upper part of the driving rod body;
when the rocking handle drives the driving rod body to rotate along the warp direction of the driving rod body, the driving rod body adjusts the lifting adjusting support frame to lift through the transmission assembly.
4. The manual lead screw lift car of claim 3, wherein the transmission assembly comprises
The steering gear is connected to the lower part of the driving rod body and the lifting adjusting support frame;
the horizontal screw rod is arranged along the Y-axis direction, one end of the horizontal screw rod is connected with the steering gear in a group mode, and the other end of the horizontal screw rod is assembled on an installation seat arranged on the bottom frame in a rotating mode;
and defining the front and back direction of the underframe as the Y-axis direction and defining the left and right direction of the underframe as the X-axis direction.
5. The manual lead screw lift car of claim 4, wherein the lift adjustment support bracket comprises
The first support frame body is in a rod shape, the upper end of the first support frame body is hinged to the front part of the bottom surface of the lifting platform, and the lower end of the first support frame body of at least one lifting adjusting support frame is assembled and connected to the horizontal screw rod through a nut;
the second support frame body is in a rod shape, the upper end of the second support frame body is hinged to the rear part of the bottom surface of the lifting platform, and the lower end of the second support frame body is hinged to the front part of the bottom frame;
the first support frame body and the second support frame body are mutually crossed into a scissors shape, and the crossed part of the first support frame body and the second support frame body is hinged;
the movable support guide rails are respectively assembled on two sides of the underframe or the lifting platform and are arranged along the Y-axis direction; one end of the first support frame body and/or one end of the second support frame body are/is respectively assembled on the movable support guide rail.
6. The manual lead screw lift truck of claim 5, wherein the lower end of the first support frame body is provided with a support roller, and the lower end of the first support frame body is connected to the moving support rail through the support roller.
7. The manual lead screw lift car of claim 1, wherein an adjustable support is provided between the undercarriage and the rear of the lift table.
8. The manual lead screw lift car of claim 1, wherein a buffer is disposed between the base frame and a middle portion of the lift table.
9. The manual lead screw lift truck of claim 8, wherein the buffer is a gas spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566885.5A CN107140575A (en) | 2017-07-12 | 2017-07-12 | A kind of manual lead screw formula lift truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566885.5A CN107140575A (en) | 2017-07-12 | 2017-07-12 | A kind of manual lead screw formula lift truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107140575A true CN107140575A (en) | 2017-09-08 |
Family
ID=59775882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566885.5A Pending CN107140575A (en) | 2017-07-12 | 2017-07-12 | A kind of manual lead screw formula lift truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140575A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478444A (en) * | 2017-09-19 | 2017-12-15 | 北京汽车研究总院有限公司 | A kind of body mode exciting device |
| CN108820766A (en) * | 2018-07-27 | 2018-11-16 | 苏州精濑光电有限公司 | A kind of liftable trolley |
| GB2599996A (en) * | 2020-10-16 | 2022-04-20 | David Brown Michael | Height adjustable platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4969793A (en) * | 1988-02-16 | 1990-11-13 | Pawl E Timothy | Power trunk lift |
| US5285992A (en) * | 1992-07-14 | 1994-02-15 | Brown Ronald G | Adjustable step stool |
| CN104627899A (en) * | 2015-02-04 | 2015-05-20 | 黄骅 | Shear type lifting platform |
| CN104787010A (en) * | 2015-04-13 | 2015-07-22 | 深圳精智机器有限公司 | Lifting device and battery changing equipment |
| US20170030092A1 (en) * | 2015-07-27 | 2017-02-02 | Ronald Young | Kitchen cabinet installation device |
| CN106629483A (en) * | 2017-03-21 | 2017-05-10 | 中国五冶集团有限公司 | Air pipe mounting bracket |
| CN206970110U (en) * | 2017-07-12 | 2018-02-06 | 苏州道达信工程技术有限公司 | A kind of manual lead screw formula lift truck |
-
2017
- 2017-07-12 CN CN201710566885.5A patent/CN107140575A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4969793A (en) * | 1988-02-16 | 1990-11-13 | Pawl E Timothy | Power trunk lift |
| US5285992A (en) * | 1992-07-14 | 1994-02-15 | Brown Ronald G | Adjustable step stool |
| CN104627899A (en) * | 2015-02-04 | 2015-05-20 | 黄骅 | Shear type lifting platform |
| CN104787010A (en) * | 2015-04-13 | 2015-07-22 | 深圳精智机器有限公司 | Lifting device and battery changing equipment |
| US20170030092A1 (en) * | 2015-07-27 | 2017-02-02 | Ronald Young | Kitchen cabinet installation device |
| CN106629483A (en) * | 2017-03-21 | 2017-05-10 | 中国五冶集团有限公司 | Air pipe mounting bracket |
| CN206970110U (en) * | 2017-07-12 | 2018-02-06 | 苏州道达信工程技术有限公司 | A kind of manual lead screw formula lift truck |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478444A (en) * | 2017-09-19 | 2017-12-15 | 北京汽车研究总院有限公司 | A kind of body mode exciting device |
| CN108820766A (en) * | 2018-07-27 | 2018-11-16 | 苏州精濑光电有限公司 | A kind of liftable trolley |
| GB2599996A (en) * | 2020-10-16 | 2022-04-20 | David Brown Michael | Height adjustable platform |
| GB2599996B (en) * | 2020-10-16 | 2023-07-26 | David Brown Michael | Height adjustable platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9193064B2 (en) | Personal positioning creeper | |
| CN107140575A (en) | A kind of manual lead screw formula lift truck | |
| WO2017008544A1 (en) | Light bidirectional stacking truck | |
| US20080018155A1 (en) | Reclining Seat for a Material Handling Vehicle | |
| US11981388B2 (en) | Self-balancing vehicle | |
| CN103800162B (en) | For transporting the patient support face of operating table and/or the transport vehicle of operating table pillar | |
| US10064531B2 (en) | Floor cleaning machine | |
| US11273731B2 (en) | Seat apparatus for vehicle | |
| JP4900873B2 (en) | Lifting platform device | |
| CN111390816A (en) | Six-freedom-degree posture adjusting platform for assembling shaft products | |
| CN108862100A (en) | A kind of battery of electric vehicle lifting machine of adjustable angle | |
| CN206970110U (en) | A kind of manual lead screw formula lift truck | |
| JP5422908B2 (en) | Lifting cart | |
| KR20180078943A (en) | Electric type forklift truck | |
| KR102055270B1 (en) | Handcart for easily adjusting height of loading member | |
| WO2007113441A3 (en) | Lifting vehicle for goods and persons working at height | |
| CN212049385U (en) | Gantry type turnover mechanism | |
| CN220223412U (en) | Lifting device | |
| KR101381576B1 (en) | Vehicle seat | |
| KR102694003B1 (en) | tire lift | |
| CN216269184U (en) | High-altitude operation car with locomotive stabilizing mean | |
| US8499378B2 (en) | Pedestal end for patients bed | |
| CN210133846U (en) | Hand fork truck | |
| KR20140145717A (en) | A multipurpose chair | |
| CN111573558A (en) | Self-balancing type large-operation-space lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170908 |