CN219860453U - Crank arm lifting structure of aerial working platform truck - Google Patents
Crank arm lifting structure of aerial working platform truck Download PDFInfo
- Publication number
- CN219860453U CN219860453U CN202321189701.5U CN202321189701U CN219860453U CN 219860453 U CN219860453 U CN 219860453U CN 202321189701 U CN202321189701 U CN 202321189701U CN 219860453 U CN219860453 U CN 219860453U
- Authority
- CN
- China
- Prior art keywords
- crank arm
- plate
- backup pad
- seat
- rotating base
- 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.)
- Active
Links
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to a crank arm lifting structure of an aerial working platform truck, which comprises the following components: rotating base, first connecting seat, second connecting seat, connect first crank arm and first connecting rod between rotating base and first connecting seat and connect second crank arm and second connecting rod between first connecting seat and second connecting seat, rotating base includes the bottom plate, set up the end plate in bottom plate one end and set up the curb plate in the bottom plate left and right sides, be provided with articulated seat on the end plate, articulated seat is control and distributes, first crank arm passes through first hinge connection on two curb plates, two first connecting rods pass through the second hinge connection on two articulated seats, articulated seat detachably installs on rotating base. According to the utility model, the hinge seat is arranged on the end plate of the rotating base, so that the first connection is connected to the end plate of the rotating base through the hinge seat rod, and the first crank arm is connected to the two side plates, thereby improving the stress distribution of the rotating base and improving the structural strength.
Description
Technical Field
The utility model relates to the technical field of overhead working platforms, in particular to a crank arm lifting structure of an overhead working platform.
Background
The crank arm type lifting device of the aerial working platform is characterized in that a plurality of connecting arms are hinged together in sequence through connecting pieces, and the connecting arms are jacked up by an oil cylinder to tilt upwards, so that the lifting purpose of the working platform is realized. At present, a plurality of crank arms adopt connecting rods to form a parallelogram, so that the stability is higher, but the parallelogram structure enables the occupied height of the crank arms after being folded to be higher, and the condition that the height of the crank arms exceeds the height limiting standard of a vehicle exists after a plurality of sections of crank arms are adopted.
The Chinese patent with publication number of CN211664680U discloses a crank arm type aerial working platform truck crank arm lifting structure, which comprises a rotating base, a first crank arm, a first connecting rod, a first connecting block, a second crank arm, a second connecting rod, a second connecting block, a third crank arm, a third connecting block, a fourth crank arm, a fourth connecting block and a lifting platform, wherein the rotating base, the first crank arm, the first connecting rod, the second connecting block, the second crank arm, the second connecting block, the third connecting block, the fourth connecting block and the fourth connecting block are arranged above a vehicle chassis.
Disclosure of Invention
The utility model aims to provide a crank arm lifting structure of an aerial working platform truck, which improves the stress condition of a rotating base and improves the structural strength.
The above object of the present utility model is achieved by the following technical solutions: an aerial work platform truck arm lift structure, includes: the rotary base comprises a bottom plate, end plates arranged at one end of the bottom plate and side plates arranged at the left side and the right side of the bottom plate, hinge bases are arranged on the end plates and are distributed left and right, the first crank arms are connected onto the two side plates through first hinge shafts, the two first connecting rods are connected onto the two hinge bases through second hinge shafts, and the hinge bases are detachably arranged on the rotary base.
Preferably, the hinge seat comprises a vertical support plate attached to the end plate, an upper support plate arranged at the upper end of the vertical support plate, an inclined support plate arranged at the lower end of the vertical support plate and side support plates arranged at the left side and the right side of the vertical support plate, the inclined support plates are arranged in a forward inclined mode, the side support plates are connected among the upper support plate, the vertical support plate and the inclined support plates, and the second hinge shaft is connected between the two side support plates.
Preferably, the bottom plate is provided with a positioning slot, and the lower end of the inclined support plate is inserted into the positioning slot.
Preferably, the end plate is in threaded connection with an adjusting screw, the end part of the adjusting screw is in rotary connection with a top block, and the top block is arranged on the bottom plate in a sliding manner and is propped against the back surface of the inclined support plate.
Preferably, the vertical support plate is provided with a first connecting hole, the end plate is provided with a second connecting hole, and bolts are arranged in the first connecting hole and the second connecting hole in a penetrating mode.
Preferably, the first connecting hole is a vertically arranged long hole.
Preferably, a supporting step is formed between the side end face of the vertical supporting plate and the plate face of the side supporting plate, a blocking strip which is vertically arranged is arranged on the side plate, and the blocking strip is abutted to the supporting step.
Preferably, the upper support plate is provided with a movable notch for the first connecting rod to swing up and down.
The utility model has the beneficial effects that: according to the utility model, the hinge seat is arranged on the end plate of the rotating base, so that the first connection is connected to the end plate of the rotating base through the hinge seat rod, and the first crank arm is connected to the two side plates, thereby improving the stress distribution of the rotating base and improving the structural strength.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of a rotating base according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a hinge base according to an embodiment of the present utility model;
in the figure: 1-rotating base, 101-bottom plate, 102-side plate, 103-end plate, 104-positioning slot, 105-second connecting hole, 106-blocking strip, 107-top block, 108-adjusting screw, 2-first crank arm, 3-first connecting rod, 4-first connecting seat, 5-second crank arm, 6-second connecting rod, 7-second connecting seat, 8-hinged seat, 801-vertical support plate, 802-upper support plate, 803-oblique support plate, 804-side support plate, 805-first connecting hole, 806-movable notch, 807-support step, 9-bolt, 10-first hinge shaft, 11-second hinge shaft.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model, may be made by those skilled in the art after reading the present specification, are only protected by patent laws within the scope of the claims of the present utility model.
Examples: as shown in fig. 1 and 2, a crank arm lifting structure of an aerial working platform truck includes: the rotary base 1, the first connecting seat 4, the second connecting seat 7, the first crank arm 2 and the first connecting rod 3 which are connected between the rotary base 1 and the first connecting seat 4, and the second crank arm 5 and the second connecting rod 6 which are connected between the first connecting seat 4 and the second connecting seat 7.
The rotating base 1 comprises a bottom plate 101, an end plate 103 arranged at one end of the bottom plate 101 and side plates 102 arranged on the left side and the right side of the bottom plate 101, hinge bases 8 are arranged on the end plate 103, two hinge bases 8 are distributed left and right, a first crank arm 2 is connected to the two side plates 102 through a first hinge shaft 10, and two first connecting rods 3 are connected to the two hinge bases 8 through second hinge shafts 11. The hinge base 8 is detachably mounted on the swivel base 1.
As shown in fig. 2 and 3, the hinge seat 8 includes a vertical support plate 801 which is abutted against the end plate 103, an upper support plate 802 which is provided at an upper end of the vertical support plate 801, a diagonal support plate 803 which is provided at a lower end of the vertical support plate 801, and side support plates 804 which are provided at both left and right sides of the vertical support plate 801, the diagonal support plates 803 being provided in a forwardly inclined manner, the side support plates 804 being connected between the upper support plate 802, the vertical support plate 801 and the diagonal support plates 803, and the second hinge shaft 11 being connected between the two side support plates 804.
The bottom plate 101 is provided with a positioning slot 104, and the lower end of the inclined support plate 803 is inserted into the positioning slot 104. When the hinge seat 8 is subjected to an outward pulling force, the diagonal support plate 803 transmits a force to the bottom plate 101 of the bottom plate 101 through the positioning slot 104, reducing the force of the end plate 103.
The end plate 103 is in threaded connection with an adjusting screw 108, the end part of the adjusting screw 108 is in rotary connection with a top block 107, and the top block 107 is slidably arranged on the bottom plate 101 and is propped against the back surface of the inclined support plate 803.
The vertical support plate 801 is provided with a first connecting hole 805, the end plate 103 is provided with a second connecting hole 105, bolts 9 penetrate through the first connecting hole 805 and the second connecting hole 105, and the bolts 9 connect the vertical support plate 801 and the end plate 103 into a whole. The first connection hole 805 is a vertically disposed long hole.
A supporting step 807 is formed between the side end face of the vertical supporting plate 801 and the plate face of the side supporting plate 804, a blocking strip 106 is arranged on the side plate 102 vertically, the blocking strip 106 is abutted on the supporting step 807, and when the hinge seat 8 is acted by the tensile force of the first connecting rod 3, the blocking strip 106 is abutted on the supporting step 807, so that the tensile force of the bolt 9 is reduced.
The upper support plate 802 is provided with a movable slot 806 for the first link 3 to swing up and down, so that the first link 3 can swing up and down without interference.
Claims (8)
1. An aerial work platform truck arm lift structure, includes: rotating base (1), first connecting seat (4), second connecting seat (7), connect first crank arm (2) and first connecting rod (3) between rotating base (1) and first connecting seat (4) and connect second crank arm (5) and second connecting rod (6) between first connecting seat (4) and second connecting seat (7), its characterized in that, rotating base (1) include bottom plate (101), set up end plate (103) and the setting of bottom plate (101) one end are in curb plate (102) of bottom plate (101) left and right sides, be provided with articulated seat (8) on end plate (103), articulated seat (8) are left and right sides and distribute, first crank arm (2) are connected on two curb plates (102) through first hinge (10), two first connecting rod (3) are connected on two articulated seat (8) through second hinge (11), articulated seat (8) detachably install on rotating base (1).
2. The aerial working platform truck crank arm lifting structure of claim 1, wherein: the hinge seat (8) is in including leaning on perpendicular backup pad (801) on end plate (103), setting up perpendicular backup pad (802) of backup pad (801) upper end, setting up perpendicular backup pad (803) of backup pad (801) lower extreme and set up in perpendicular backup pad (804) of backup pad (801) left and right sides, oblique backup pad (803) are the slope setting forward, side backup pad (804) are connected between last backup pad (802), perpendicular backup pad (801) and oblique backup pad (803), second hinge (11) are connected between two side backup pad (804).
3. The aerial working platform truck crank arm lifting structure of claim 2, wherein: the bottom plate (101) is provided with a positioning slot (104), and the lower end of the inclined support plate (803) is inserted into the positioning slot (104).
4. A trolley arm lift structure according to claim 3, wherein: the end plate (103) is in threaded connection with an adjusting screw (108), the end part of the adjusting screw (108) is rotationally connected with a top block (107), and the top block (107) is slidably arranged on the bottom plate (101) and is propped against the back of the inclined support plate (803).
5. The aerial work platform truck crank arm lifting structure of claim 4, wherein: the vertical support plate (801) is provided with a first connecting hole (805), the end plate (103) is provided with a second connecting hole (105), and bolts (9) are arranged in the first connecting hole (805) and the second connecting hole (105) in a penetrating mode.
6. The aerial work platform truck crank arm lifting structure of claim 5, wherein: the first connecting hole (805) is a vertically arranged long hole.
7. The aerial working platform truck crank arm lifting structure of claim 2, wherein: a supporting step (807) is formed between the side end surface of the vertical supporting plate (801) and the plate surface of the side supporting plate (804), a blocking strip (106) which is vertically arranged is arranged on the side plate (102), and the blocking strip (106) is abutted to the supporting step (807).
8. The aerial working platform truck crank arm lifting structure of claim 2, wherein: the upper supporting plate (802) is provided with a movable notch (806) for the first connecting rod (3) to swing up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321189701.5U CN219860453U (en) | 2023-05-17 | 2023-05-17 | Crank arm lifting structure of aerial working platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321189701.5U CN219860453U (en) | 2023-05-17 | 2023-05-17 | Crank arm lifting structure of aerial working platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860453U true CN219860453U (en) | 2023-10-20 |
Family
ID=88370814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321189701.5U Active CN219860453U (en) | 2023-05-17 | 2023-05-17 | Crank arm lifting structure of aerial working platform truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860453U (en) |
-
2023
- 2023-05-17 CN CN202321189701.5U patent/CN219860453U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1278564C (en) | Low profile extensible support platform | |
| CN205442569U (en) | Over -and -under type power maintenance device with guardrail | |
| CN219860453U (en) | Crank arm lifting structure of aerial working platform truck | |
| CN116692736A (en) | Auxiliary lifting table for transformer overhaul | |
| CN213679702U (en) | Anti-shaking lifting platform | |
| CN210313297U (en) | Angle-adjustable jack for vehicle | |
| CN213196226U (en) | Front axle frame welded platform | |
| CN211949752U (en) | Adjustable supporting vehicle for construction engineering construction | |
| CN209109881U (en) | A kind of multipurpose steel component leveling block | |
| CN210369852U (en) | Compact folding hanging flower basket device | |
| CN208619086U (en) | A kind of drill floor doghouse bracket | |
| CN219885572U (en) | Truss is carried with adjustable structure of lifting | |
| CN219194284U (en) | Supporting mechanism of truck-mounted crane carriage | |
| CN110067374B (en) | Hanging basket device capable of being folded compactly | |
| CN220283551U (en) | Automatic lifting operation stool | |
| CN217495978U (en) | Large-scale semitrailer climbing device | |
| CN220810461U (en) | Photovoltaic laminate transfer device | |
| CN219078932U (en) | Tower crane balance arm walking platform structure capable of leveling | |
| CN219975244U (en) | Counterweight support, counterweight mechanism and engineering machinery | |
| CN220504587U (en) | Assembled building construction hoist and mount side direction bearing structure | |
| CN219279374U (en) | Middle position small shear type lifter with ultrathin climbing plate | |
| CN216340777U (en) | Scaffold for engineering building | |
| CN220353791U (en) | Combined herringbone ladder | |
| CN220943926U (en) | Positioning device for welding right front protection connecting plate | |
| CN219555296U (en) | Communication cabinet mounting seat convenient to install and adjust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |