CN203628195U - Lifting rack - Google Patents

Abstract

The utility model relates a lifting rack and overcomes defects that general racks are fixed in format and cannot be lifted. A foot plate, a fixing screw rod, a top plate, a fixing nut, a rotation screw rod, a bearing, and a bearing sleeve are in match connection with one another, so that an inner face of the foot plate is respectively parallel to an inner side face and an outer side face of the top plate, and the inner face of the foot plate is opposite to the inner side face of the top plate. By means of the lifting rack, the top plate can be freely lifted so as to meet the requirement of rising and lowering a drive main engine which is fixedly connected to the top plate, and when the drive main engine is risen or lowered, a driving belt is not required to be replaced; the lifting rack is simple in structure, reasonable in design, and convenient to operate.

Description

A kind of elevator platform

Technical field

The utility model relates to a kind of frame of fixed drive main frame, especially a kind of elevator platform.

Background technique

Driving main frame is prime dynamic apparatus device, and it comprises motor, petrol engine, diesel engine etc.Frame is the instrument of fixed drive main frame, multiple through holes or groove and screw pile distribute in frame, drive main frame to be connected in frame, the screw pile in frame is inserted in the through hole or groove driving on the under-chassis of main frame, then the under-chassis that drives main frame is fixed in frame with nut; Frame is fixedly connected on board, and the screw pile on board is inserted in the through hole or groove in frame, then is connected with the screw pile on nut and board, and fastening nut, is fixed on board frame.But current frame form is fixed, can not lifting.And when driving main frame to need mobile position---when driving main frame to raise or reducing, will change frame, and like this, not only need workman to work, but also will debug, very bother, increase workman's work burden; Thereby current frame can not meet the needs that work is produced.

Model utility content

The purpose of this utility model is: a kind of elevator platform is provided, it has overcome normal framework form and has fixed, defect that can not lifting, elevator platform adopts lifting structure, is made up of sole, fixing screw mandrel, top board, set screw nut, rotary screw rod, bearing, bearing housing.It can free lifting top board, thereby has met the needs that the driving main frame that is fixedly connected on top board raises or reduces.

The purpose of this utility model is achieved in that a kind of elevator platform, and it is the instrument of fixed drive main frame, and it adopts lifting structure, is made up of sole, fixing screw mandrel, top board, set screw nut, rotary screw rod, bearing, bearing housing.The through hole of multiple circles that distribute on sole, sole is connected and fixed one end of screw mandrel, fixing one end of screw mandrel and the inner face of sole intersect vertically and are connected, a kind of elevator platform comprises many fixing screw mandrels, many fixing screw mandrels are parallel to each other, and be positioned at sole one side, and the center line of the multiple through holes on sole is vertical with the inner face of sole respectively, and the center line of the through hole on sole is parallel with fixing screw mandrel; The head end of rotary screw rod is square column type, its bottom is cylindrical, and the bottom of rotary screw rod is fixedly connected with the inner ring of bearing, and bearing is installed and connected in bearing housing, bearing housing is fixedly connected on the inner face of sole, makes like this center line of rotary screw rod and fixing screw mandrel be parallel to each other.The through hole of the through hole of multiple circles that distribute on top board and multiple side groove and connection of rotating screw mandrel, the inwall of the through hole of its connection of rotating screw mandrel is female thread structure, on top board, there are inner side surface and outer side surface, inner side surface and outer side surface are parallel to each other, on top board, there are multiple side grooves, the center line of the through hole of the center line of the through hole of the multiple circles that distribute on top board and connection of rotating screw mandrel is vertical with outer side surface with the inner side surface of top board respectively, in side groove on top board, there are two relative groove sides, two relative groove side is parallel to each other, and vertical with outer side surface with the inner side surface of top board respectively, and each groove side of multiple side grooves on top board is parallel to each other, corresponding one by one between circular through hole on top board and fixing screw mandrel, quantity is identical, fixing screw mandrel cooperatively interacts and is connected with the circular through hole on top board, fixing screw mandrel is inserted in the corresponding circular through hole on top board, two set screw nuts are connected on its same fixing screw mandrel, two set screw nuts that connect on its same fixing screw mandrel lay respectively at the outside of top board inner side surface and the outside of outer side surface, top board is sandwiched between two set screw nuts, simultaneously, the through hole of the connection of rotating screw mandrel on top board screws and is connected with rotary screw rod.Like this, by connections that cooperatively interact between sole, fixing screw mandrel, top board, set screw nut, rotary screw rod, bearing, bearing housing, the inner face of formation sole respectively with a kind of elevator platform of the lifting structure that inner side surface and the outer side surface of top board are parallel to each other, the inner face of sole is relative with the inner side surface of top board.Elevator platform equipment handle, has square opening in the middle of handle, and the head end of the square opening of handle and the square column type of rotary screw rod cooperatively interacts, and the head end that is inserted in the square column type of rotary screw rod in the square opening in the middle of handle matches; Like this, when handle is inserted in after the head end of square column type of rotary screw rod, drive rotary screw rod to rotate by rotatable handle, thereby top board is raise or reduce, while reaching wanted position, then tighten set screw nut, top board is fixed on the certain position of fixing screw mandrel.Like this, in the time using elevator platform, elevator platform is installed and is fixedly connected on board, the screw pile on board is inserted in the corresponding through hole of the sole on elevator platform, be connected with the screw pile on nut and board, fastening nut is fixed on board elevator platform again.Driving main frame to be fixedly connected on the top board of elevator platform, first driving main frame is positioned on the outer side surface of top board of elevator platform, adjust position, with the fixing under-chassis of fastening piece and top board, fastening piece comprises bolt, nut, mat piece, inject respectively in the through hole of the corresponding under-chassis that cooperatively interacts and the side groove of top board with the screw rod of bolt, thereby screw rod is concatenated under-chassis and top board, the head of bolt be positioned at under-chassis above, screw rod stretches out outside the side groove of top board, mat piece is connected on screw rod, mat piece is positioned at the side groove outside of top board, screw rod coordinates with nut, nut is screwed and be connected on screw rod, nut is positioned at mat piece outside, mat piece is sandwiched between nut and top board, like this, fastening nut, drive main frame to be just fixedly connected on the top board of elevator platform.Drive main frame to connect work mechanism by transmission device, transmission device adopts driving belt, driving belt couples together the passive rotating disk of the active rotating disk of driving main frame and work mechanism, initiatively rotating disk and passive rotating disk contraposition, it drives the active disk middle spindle of main frame and the passive disk middle spindle of work mechanism to be parallel to each other; Thereby, drive the active dial rotation of main frame to drive the passive dial rotation of work mechanism.When driving main frame to need mobile position---drive main frame rising or reduction and transmission device while using same driving belt, nut on the screw rod loosering a bolt, unscrew the set screw nut on fixing screw mandrel, rotation rotary screw rod, make to drive main frame to raise or reduce, to meet the requirements of height, simultaneously, adjust and drive the position of main frame on top board, it drives main frame to slide on top board, its screw rod moves in side groove, make initiatively rotating disk and passive rotating disk contraposition, thereby, adapt to drive main frame high, the variation of lower position, distance between active rotating disk and passive center of turntable axis is remained unchanged, its driving belt connects the driving active rotating disk of main frame and the passive rotating disk of work mechanism is loosening, then tighten set screw nut, top board is fixed on the certain position of fixing screw mandrel, fastening nut again, on the top board certain position that makes to drive main frame to be just fixedly connected on elevator platform.Like this, elevator platform can free lifting top board, thereby has met the needs that the driving main frame that is fixedly connected on top board raises or reduces, thereby reaches the purpose of this utility model.

Owing to having adopted technique scheme, elevator platform not only can free lifting top board, thereby has met the needs that the driving main frame that is fixedly connected on top board raises or reduces, and when driving main frame to raise or reducing, do not change driving belt, use same driving belt; It is simple in structure, reasonable in design, easy to operate.

Accompanying drawing explanation

To be further described below in conjunction with embodiment to a kind of elevator platform of the utility model.

Accompanying drawing 1 is the structural representation of the embodiment's of a kind of elevator platform of the utility model elevator platform.

Accompanying drawing 2 is the structural representation of the top board of the embodiment's of a kind of elevator platform of the utility model elevator platform.

Accompanying drawing 3 is the linkage structure schematic diagram of the embodiment's of a kind of elevator platform of the utility model the sole of elevator platform and fixing screw mandrel, rotary screw rod.

In figure: 1, initiatively rotating disk 2, initiatively disk middle spindle 3, board 4, screw pile 5 on board, nut 6, sole 7, driving belt 8, the screw rod 9 of bolt, nut 10 on the screw rod of bolt, mat piece 11, the head 12 of bolt, under-chassis 13, passive rotating disk 14, passive disk middle spindle 15, bearing housing 16, rotary screw rod 17, handle 18, fixing screw mandrel 19, set screw nut 20, top board 21, circular through hole 22 on top board, side groove 23 on top board, the through hole 24 of the connection of rotating screw mandrel on top board, through hole on sole

Embodiment

In figure: a kind of elevator platform, it is the instrument of fixed drive main frame, it adopts lifting structure, is made up of sole (6), fixing screw mandrel (18), top board (20), set screw nut (19), rotary screw rod (16), bearing, bearing housing (15).Four circular through holes distribute on sole, sole is connected and fixed one end of screw mandrel, fixing one end of screw mandrel and the inner face of sole intersect vertically and are connected, a kind of elevator platform comprises four fixing screw mandrels, four fixing screw mandrels are parallel to each other, and be positioned at sole one side, and the center line of four through holes on sole is vertical with the inner face of sole respectively, and the center line of the through hole (24) on sole is parallel with fixing screw mandrel; The head end of rotary screw rod is square column type, its bottom is cylindrical, and the bottom of rotary screw rod is fixedly connected with the inner ring of bearing, and bearing is installed and connected in bearing housing, bearing housing is fixedly connected on the inner face of sole, makes like this center line of rotary screw rod and fixing screw mandrel be parallel to each other.Distribute on the top board through hole of four circular through holes and two side grooves and connection of rotating screw mandrel, the inwall of the through hole (23) of its connection of rotating screw mandrel is female thread structure, on top board, there are inner side surface and outer side surface, inner side surface and outer side surface are parallel to each other, on top board, there are two side grooves, the center line of the center line of four circular through holes that distribute on top board and the through hole of connection of rotating screw mandrel is vertical with outer side surface with the inner side surface of top board respectively, in side groove (22) on top board, there are two relative groove sides, two relative groove side is parallel to each other, and vertical with outer side surface with the inner side surface of top board respectively, and each groove side of two side grooves on top board is parallel to each other, corresponding one by one between circular through hole on top board and fixing screw mandrel, quantity is identical, fixing screw mandrel cooperatively interacts and is connected with the circular through hole (21) on top board, fixing screw mandrel is inserted in the corresponding circular through hole on top board, two set screw nuts are connected on its same fixing screw mandrel, two set screw nuts that connect on its same fixing screw mandrel lay respectively at the outside of top board inner side surface and the outside of outer side surface, top board is sandwiched between two set screw nuts, simultaneously, the through hole of the connection of rotating screw mandrel on top board screws and is connected with rotary screw rod.Like this, by connections that cooperatively interact between sole, fixing screw mandrel, top board, set screw nut, rotary screw rod, bearing, bearing housing, the inner face of formation sole respectively with the elevator platform of the lifting structure that inner side surface and the outer side surface of top board are parallel to each other, the inner face of sole is relative with the inner side surface of top board.Elevator platform equipment handle, has square opening in the middle of handle (17), and the head end of the square opening of handle and the square column type of rotary screw rod cooperatively interacts, and the head end that is inserted in the square column type of rotary screw rod in the square opening in the middle of handle matches; Like this, when handle is inserted in after the head end of square column type of rotary screw rod, drive rotary screw rod to rotate by rotatable handle, thereby top board is raise or reduce, while reaching wanted position, then tighten set screw nut, top board is fixed on the certain position of fixing screw mandrel.Like this, in the time using elevator platform, elevator platform is installed and is fixedly connected on board (3), be that screw pile (4) on board is inserted in the corresponding through hole of the sole on elevator platform, use nut (5) and the screw pile on board to be connected, fastening nut is fixed on board elevator platform again.Driving main frame to be fixedly connected on the top board of elevator platform, first driving main frame is positioned on the outer side surface of top board of elevator platform, adjust position, with the fixing under-chassis of fastening piece and top board, fastening piece comprises bolt, nut, mat piece, use the screw rod (8) of bolt to inject respectively in the through hole of the corresponding under-chassis that cooperatively interacts and the side groove of top board, thereby screw rod is concatenated under-chassis and top board, the head (11) of bolt be positioned at under-chassis above, screw rod stretches out outside the side groove of top board, mat piece (10) is connected on screw rod, mat piece is positioned at the side groove outside of top board, screw rod coordinates with nut (9), nut is screwed and be connected on screw rod, nut is positioned at mat piece outside, mat piece is sandwiched between nut and top board, like this, fastening nut, drive main frame to be just fixedly connected on the top board of elevator platform.Drive main frame to connect work mechanism by transmission device, transmission device adopts driving belt, driving belt (7) is driving the active rotating disk of main frame and the passive rotating disk of work mechanism to couple together, initiatively rotating disk (1) and passive rotating disk (13) contraposition, it drives the active disk middle spindle (2) of main frame and the passive disk middle spindle (14) of work mechanism to be parallel to each other; Thereby, drive the active dial rotation of main frame to drive the passive dial rotation of work mechanism.When driving main frame to need mobile position---drive main frame rising or reduction and transmission device while using same driving belt, nut on the screw rod loosering a bolt, unscrew the set screw nut on fixing screw mandrel, rotation rotary screw rod, make to drive main frame to raise or reduce, to meet the requirements of height, simultaneously, adjust and drive the position of main frame on top board, it drives main frame to slide on top board, its screw rod moves in side groove, make initiatively rotating disk and passive rotating disk contraposition, thereby, adapt to drive main frame high, the variation of lower position, distance between active rotating disk and passive center of turntable axis is remained unchanged, its driving belt connects the driving active rotating disk of main frame and the passive rotating disk of work mechanism is loosening, then tighten set screw nut, top board is fixed on the certain position of fixing screw mandrel, fastening nut again, on the top board certain position that makes to drive main frame to be just fixedly connected on elevator platform.

Claims (3)

1. an elevator platform, it is the instrument of fixed drive main frame, it adopts lifting structure, is made up of sole, fixing screw mandrel, top board, set screw nut, rotary screw rod, bearing, bearing housing, fixing one end of screw mandrel and the inner face of sole intersect vertically and are connected, and many fixing screw mandrels are parallel to each other, and the center line of the multiple through holes on sole is vertical with the inner face of sole respectively, and the center line of the through hole on sole is parallel with fixing screw mandrel, on top board, there are inner side surface and outer side surface, inner side surface and outer side surface are parallel to each other, the center line of the through hole of the center line of the through hole of the multiple circles that distribute on top board and connection of rotating screw mandrel is vertical with outer side surface with the inner side surface of top board respectively, in side groove on top board, there are two relative groove sides, two relative groove side is parallel to each other, and vertical with outer side surface with the inner side surface of top board respectively, and each groove side of multiple side grooves on top board is parallel to each other, corresponding one by one between circular through hole on top board and fixing screw mandrel, quantity is identical, two set screw nuts that connect on its same fixing screw mandrel lay respectively at the outside of top board inner side surface and the outside of outer side surface, fixing screw mandrel is inserted in the corresponding circular through hole on top board, and two set screw nuts that are connected on its same fixing screw mandrel are sandwiched between two set screw nuts top board, it is characterized in that: the through hole of multiple circles that distribute on sole, sole is connected and fixed one end of screw mandrel, a kind of elevator platform comprises many fixing screw mandrels, many fixing screw mandrels are positioned at sole one side, the bottom of rotary screw rod is fixedly connected with the inner ring of bearing, and bearing is installed and connected in bearing housing, and bearing housing is fixedly connected on the inner face of sole, the through hole of the through hole of multiple circles that distribute on top board and multiple side groove and connection of rotating screw mandrel, the inwall of the through hole of its connection of rotating screw mandrel is female thread structure, on top board, have multiple side grooves, fixing screw mandrel cooperatively interacts and is connected with the circular through hole on top board, and meanwhile, the through hole of the connection of rotating screw mandrel on top board screws and is connected with rotary screw rod, by connections that cooperatively interact between sole, fixing screw mandrel, top board, set screw nut, rotary screw rod, bearing, bearing housing, the inner face of formation sole respectively with a kind of elevator platform of the lifting structure that inner side surface and the outer side surface of top board are parallel to each other, the inner face of sole is relative with the inner side surface of top board.

2. a kind of elevator platform according to claim 1, is characterized in that: the head end of rotary screw rod is square column type, and its bottom is cylindrical, makes like this center line of rotary screw rod and fixing screw mandrel be parallel to each other.

3. a kind of elevator platform according to claim 1, it is characterized in that: a kind of elevator platform, it equips handle, in the middle of handle, there is square opening, the head end of the square opening of handle and the square column type of rotary screw rod cooperatively interacts, and the head end that is inserted in the square column type of rotary screw rod in the square opening in the middle of handle matches.

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