CN112919364A - Rack and pinion formula crossing arm elevating gear - Google Patents
Rack and pinion formula crossing arm elevating gear Download PDFInfo
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- CN112919364A CN112919364A CN202110279767.2A CN202110279767A CN112919364A CN 112919364 A CN112919364 A CN 112919364A CN 202110279767 A CN202110279767 A CN 202110279767A CN 112919364 A CN112919364 A CN 112919364A
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- 230000003028 elevating effect Effects 0.000 title claims description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 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
- B66F7/0666—Multiple scissor linkages vertically arranged
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- 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
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Abstract
The invention relates to the technical field of lifting devices, in particular to a rack and pinion type crossed arm lifting device, wherein a base is provided with an electrically driven travelling wheel assembly, the outer sides of sliding bases which are arranged on the front side and the back side of the base along the horizontal direction and are in sliding clamping connection are respectively and rotatably connected with a telescopic loop bar, the bottom end of a supporting rod which is in sliding sleeve connection with the outer end of the telescopic loop bar is sleeved with a supporting chassis, a rotating body which is in rotating sleeve connection with the top surface of the outer end of the telescopic loop bar is in threaded sleeve connection with a stud at the top end of the supporting rod, a driving part which is in rotating connection with one end of the bottom of a crossed connecting rod mechanism comprises a gear and a motor, the other end of the bottom of the crossed connecting rod mechanism is in rotating connection with the side wall of an inner, the guardrail component on the top surface of the top plate can adjust the size in the front-back direction; the problems of complex structure and large occupied volume of the lifting device are solved.
Description
Technical Field
The invention relates to the technical field of lifting devices, in particular to a rack and pinion type crossed arm lifting device.
Background
The cross arm lifting mechanism has large bearing capacity, stable lifting, installation and maintenance and good retractility, and the cross arm lifting mechanism has small volume and small occupied space after being retracted, so that the rack of the cross arm lifting mechanism can be lowered into a ground groove or an installation groove of some equipment, the top of the cross arm lifting mechanism is parallel and level to the ground or a working table surface of the equipment, and the cross arm lifting mechanism is widely applied. For example, the lifting device is used for lifting a vehicle during vehicle maintenance, is used for conveying goods up and down between working floors, is used for jacking a workpiece to be tested from a low position which is convenient for positioning and installation to a vacuum chamber of mass spectrum leakage detection equipment at a higher position, and the like.
At present, the crossing arm elevating system who adopts uses cylinder or pneumatic cylinder to carry out the bracing jacking more to reach the effect of going up and down, but above-mentioned elevating system need be equipped with air pump or oil pump equipment, thereby cause equipment overall structure comparatively complicated, the volume is great moreover, the use in some space restriction areas of not being convenient for.
Disclosure of Invention
The invention designs a rack and pinion type crossed arm lifting device aiming at solving the problems of complex structure and large occupied volume of the crossed arm lifting device in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a rack and pinion type crossed arm lifting device comprises a base, a crossed connecting rod mechanism, a sliding base, a supporting rod, a driving part, a rack, a storage battery pack, a top plate and a guardrail assembly, wherein an inner cavity is formed in the top surface of the base;
the sliding bases are respectively clamped in the side grooves in a sliding mode, and telescopic loop bars are respectively rotatably connected to the outer sides of the sliding bases;
the support rod is sleeved at the outer end of the telescopic loop rod in a sliding mode along the vertical direction, the bottom end of the support rod is sleeved with the support chassis in a sleeved mode, the top end of the support rod is in butt joint with the stud, the top face of the outer end of the telescopic loop rod is rotatably sleeved with the rotating body in a sleeved mode, and the stud is sleeved in a central cavity of the rotating body in a threaded mode;
the driving part is arranged in the inner cavity and comprises a gear and a motor for driving the gear to rotate, one end of the bottom of the cross connecting rod mechanism is rotatably connected to the top end of the driving part, and the other end of the bottom of the cross connecting rod mechanism is rotatably connected with the side wall of the inner cavity;
the storage battery pack is arranged at the bottom of the inner cavity body and is used for providing electric energy for the walking wheel assembly and the motor;
the rack is horizontally and fixedly arranged above the storage battery pack along the axial direction of the base, and the rack is meshed with the gear;
the bottom surface of the top plate is in sliding clamping connection with two ends of the top of the cross connecting rod mechanism along the axial direction respectively;
the guardrail component comprises a first framework and a second framework, the bottom of the first framework is in sliding clamping connection with the front portion of the top surface of the top plate along the front-back direction, the bottom of the second framework is in sliding clamping connection with the rear portion of the top surface of the top plate along the front-back direction, two ends of the back face of the first framework are respectively and fixedly connected with connecting rods in a perpendicular mode, two ends of the front face of the second framework are respectively and fixedly connected with connecting sleeves in a perpendicular mode, and the connecting rods are in sleeve connection with the connecting sleeves.
Preferably, the front end and the rear end of the top surface and the bottom surface of the sliding base are respectively provided with a sliding rail along the axial direction of the side groove, and the top surface and the bottom surface of the inner cavity of the side groove are respectively provided with a sliding groove which is in sliding clamping connection with the sliding rail along the axial direction.
Preferably, the middle position of the outer side surface of the sliding base is respectively provided with a clamping groove, the top surface and the bottom surface of the clamping groove are respectively provided with a shaft hole along the vertical direction, the inner end of the telescopic loop bar is clamped in the clamping groove, and the rotating shaft which is vertically sleeved on the top surface and the bottom surface of the inner end of the telescopic loop bar is rotatably sleeved in the shaft hole.
Preferably, the outer end face of the telescopic loop bar is fixedly connected with an end sleeve, the support bar is sleeved in the central cavity of the end sleeve in a sliding manner along the vertical direction, and the bottom end of the rotating body is rotatably sleeved on the top face of the end sleeve.
Preferably, an operating rod is fixedly connected to a side wall of the rotating body.
Preferably, the operating rod comprises a fixed rod and a rotating rod, and the inner end of the fixed rod is vertically and fixedly connected to the outer side wall of the rotating body;
the bottom end of the rotating rod is rotatably connected with the outer end of the fixing rod, and the rotating shaft of the rotating rod is perpendicular to the vertical plane where the central axis of the fixing rod is located.
Preferably, the drive division still includes the frame, the one end of gear shaft with the power output shaft butt joint of motor, the other end of gear shaft with respectively with the antetheca and the back wall of frame inner chamber rotate and cup joint, the front end and the rear end of frame top surface fixedly connected with connection ear seat respectively, connection ear seat with the one end of cross-connection rod mechanism bottom is rotated and is connected.
Preferably, the positions of the bottom surface of the top plate, which are close to the front end and the rear end, are respectively provided with a bottom sliding rail along the axial direction, two ends of the bottom sliding rail are respectively connected with a sliding lug seat in a sliding and clamping manner, and the sliding lug seats are respectively and correspondingly connected with the top ends of the top connecting rods of the cross connecting rod mechanism in a rotating manner.
Preferably, the two end positions of the top surface of the top plate are respectively provided with a transverse sliding chute in the transverse direction, the front part of the transverse sliding chute is slidably clamped with a first transverse sliding rail, the rear part of the transverse sliding chute is slidably clamped with a second transverse sliding rail, the two ends of the bottom of the first frame body are respectively and fixedly connected to the front end of the top surface of the first transverse sliding rail in the vertical direction, the two ends of the bottom of the second frame body are respectively and fixedly connected to the rear end of the top surface of the second transverse sliding rail in the vertical direction, the position of the top surface of the first transverse sliding rail, which is close to the rear end, and the position of the top surface of the second transverse sliding rail, which is close to the front end, are respectively sheathed with a positioning bolt in a threaded.
Preferably, the supporting chassis is rotatably sleeved with the bottom end of the supporting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the cross arm lifting device provided by the invention is integrated in an integral structure, small in occupied volume and better suitable for places with limited space.
2. The cross arm lifting device can flexibly adjust the distance between the supporting rod, the supporting chassis and the base, so that the lifting device can be stably erected in construction sites with different sizes.
3. The guardrail component of the cross arm lifting device can flexibly adjust the protection size, so that construction machinery with different volumes can be conveniently placed on the lifting top plate.
4. The cross arm lifting device has simple integral structure, is convenient to produce and manufacture, and saves the input cost to a certain extent
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic perspective view of a sliding base according to the present invention;
FIG. 4 is a side view of the driving portion of the present invention;
FIG. 5 is a schematic perspective view of a top plate according to the present invention;
fig. 6 is a side view of the guardrail assembly of the present invention.
In the figure: 10-a base; 11-a walking wheel assembly; 12-an inner cavity; 13-side groove; 20-a slide base; 201-card slot; 202-shaft hole; 203-a slide rail; 21-telescopic loop bar; 22-an end sleeve; 23-a rotating body; 24-a lever; 241-fixing rods; 242-rotating lever; 30-a support bar; 31-a stud; 32-a support chassis; 40-cross-bar linkage; 50-a drive section; 51-a frame; 52-gear; 53-an electric machine; 54-connecting ear seat; 60-a rack; 70-a battery pack; 80-a top plate; 81-bottom slide rail; 82-sliding ear mount; 83-a traversing chute; 90-a guardrail assembly; 91-a first sideslip rail; 911-a first frame; 912-connecting rod; 92-a second sideslip rail; 921-a second frame; 922-connecting sleeve; 93-a positioning bolt; 94-circular plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution, a rack and pinion type cross arm lifting device, including a base 10 and a cross link mechanism 40, further including a sliding base 20, a support rod 30, a driving part 50, a rack 60, a battery pack 70, a top plate 80 and a guardrail assembly 90, wherein the top surface of the base 10 is provided with an inner cavity 12, the base 10 is provided with an electrically driven walking wheel assembly 11, and two sides of the middle position of the front surface and the back surface of the base 10 are respectively provided with a side groove 13 along the horizontal direction;
wherein, the sliding bases 20 are respectively clamped in the side grooves 13 in a sliding manner, and the outer sides of the sliding bases 20 are respectively connected with telescopic loop bars 21 in a rotating manner;
the support rod 30 is sleeved at the outer end of the telescopic loop rod 21 in a sliding manner along the vertical direction, the bottom end of the support rod 30 is sleeved with the support chassis 32, the top end of the support rod 30 is butted with the stud 31, the top surface of the outer end of the telescopic loop rod 21 is rotatably sleeved with the rotating body 23, and the stud 31 is sleeved in a central cavity of the rotating body 23 in a threaded manner;
the driving part 50 is arranged in the inner cavity 12, the driving part 50 comprises a gear 52 and a motor 53 for driving the gear 52 to rotate, one end of the bottom of the cross link mechanism 40 is rotatably connected to the top end of the driving part 50, and the other end of the bottom of the cross link mechanism 40 is rotatably connected with the side wall of the inner cavity 12;
the storage battery pack 70 is arranged at the bottom of the inner cavity 12, and the storage battery pack 70 is used for providing electric energy for the travelling wheel assembly 11 and the motor 53;
wherein, the rack 60 is horizontally and fixedly arranged above the storage battery pack 70 along the axial direction of the base 10, and the rack 60 is meshed with the gear 52;
wherein, the bottom surface of the top plate 80 is respectively clamped with the two ends of the top of the cross connecting rod mechanism 40 in a sliding way along the axial direction;
wherein, guardrail subassembly 90 includes first framework 911 and second framework 921, and the bottom of first framework 911 slips the joint in the front portion of roof 80 top surface along the fore-and-aft direction, and the bottom of second framework 921 slips the joint in the rear portion of roof 80 top surface along the fore-and-aft direction, and perpendicular fixedly connected with connecting rod 912 is respectively at the both ends at the first framework 911 back, and the positive both ends of second framework 921 are perpendicular fixedly connected with connecting sleeve 922 respectively, and connecting rod 912 cup joints with connecting sleeve 922.
In this embodiment, the front and rear ends of the top and bottom surfaces of the sliding base 20 are respectively provided with a sliding rail 203 along the axial direction of the side groove 13, and the top and bottom surfaces of the inner cavity of the side groove 13 are respectively provided with a sliding groove which is slidably engaged with the sliding rail 203 along the axial direction.
In this embodiment, draw-in groove 201 has been seted up respectively to the position placed in the middle of sliding base 20 lateral surface, and shaft hole 202 has been seted up along vertical direction respectively to the top surface and the bottom surface of draw-in groove 201, and the inner end joint of flexible loop bar 21 is in draw-in groove 201, and the pivot that just 21 inner end top surfaces of flexible loop bar and bottom surface cup jointed perpendicularly rotates to cup joint in shaft hole 202.
In this embodiment, the outer end surface of the telescopic rod 21 is fixedly connected with the end sleeve 22, the support rod 30 is slidably sleeved in the central cavity of the end sleeve 22 along the vertical direction, and the bottom end of the rotating body 23 is rotatably sleeved on the top surface of the end sleeve 22.
In this embodiment, an operating lever 24 is fixedly connected to a side wall of the rotating body 23.
In this embodiment, the operation lever 24 includes a fixing lever 241 and a rotating lever 242, and the inner end of the fixing lever 241 is vertically and fixedly connected to the outer sidewall of the rotating body 23;
the bottom end of the rotating rod 242 is rotatably connected to the outer end of the fixing rod 241, and the rotating shaft of the rotating rod 242 is perpendicular to the vertical plane where the central axis of the fixing rod 241 is located.
In this embodiment, the driving portion 50 further includes a frame 51, one end of a rotating shaft of the gear 52 is in butt joint with a power output shaft of the motor 53, the other end of the rotating shaft of the gear 52 is rotatably sleeved with a front wall and a rear wall of an inner cavity of the frame 51, the front end and the rear end of the top surface of the frame 51 are fixedly connected with a connecting lug seat 54, and the connecting lug seat 54 is rotatably connected with one end of the bottom of the cross-link mechanism 40.
In this embodiment, the bottom slide rails 81 are respectively axially disposed at positions of the bottom surface of the top plate 80 near the front end and the rear end, the two ends of the bottom slide rails 81 are respectively slidably and snap-connected with the slide ear seats 82, and the slide ear seats 82 are respectively and correspondingly rotatably connected with the top ends of the top links of the cross-link mechanism 40.
In this embodiment, the top surface of the top plate 80 is laterally provided with lateral sliding grooves 83, the front portion of the lateral sliding groove 83 is slidably engaged with a first lateral sliding rail 91, the rear portion of the lateral sliding groove 83 is slidably engaged with a second lateral sliding rail 92, two ends of the bottom of the first frame 911 are respectively and vertically fixedly connected to the front end of the top surface of the first lateral sliding rail 91, two ends of the bottom of the second frame 921 are respectively and vertically fixedly connected to the rear end of the top surface of the second lateral sliding rail 92, a position close to the rear end of the top surface of the first lateral sliding rail 91 and a position close to the front end of the top surface of the second lateral sliding rail 92 are respectively and threadedly engaged with a positioning bolt 93, a top end of a screw portion of the positioning bolt 93 is engaged with a circular plate.
In this embodiment, the supporting chassis 32 is rotatably sleeved on the bottom end of the supporting rod 30.
The working principle is as follows: when in use, the device is moved to a construction site through the travelling wheel assembly 11; sliding the sliding base 20 to the outer end position of the side groove 13, adjusting the length of the telescopic loop bar 21 according to the size of the construction site area, rotating the telescopic loop bar 21, and rotating the rotating body 23 through the operating rod 24, so that the stud 31 drives the supporting rod 30 to move downwards, and the supporting chassis 32 is in close contact with the ground until the lifting device is fixedly arranged; according to the occupied volume of the construction machine placed on the top plate 80, the forward moving distance of the first traverse slide rail 91 along the traverse slide groove 83 and the backward moving distance of the second traverse slide rail 92 along the traverse slide groove 83 are adjusted, meanwhile, the connecting rod 912 is sleeved relative to the connecting sleeve 922 and then the positioning bolt 93 is screwed, so that the circular plate 94 is tightly contacted with the top surfaces of the top plate 80 at the two sides of the top end of the traverse slide groove 83 to complete the positioning of the first frame 911 and the second frame 921, the construction machine and constructors are transferred into the guardrail assembly 90 on the top plate 80, according to the construction height, the motor 53 drives the gear 52 to rotate, the gear 52 is meshed and transmitted on the rack 60, and therefore the top plate 80 is jacked to the construction height through the cross connecting rod mechanism 40.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A rack and pinion formula crossing arm elevating gear, includes base (10) and crossing link mechanism (40), its characterized in that still includes:
a slide base (20);
a support bar (30);
a drive unit (50);
a rack (60);
a battery pack (70);
a top plate (80) and
the guardrail assembly (90), the top surface of the base (10) is provided with an inner cavity (12), the base (10) is provided with an electrically driven walking wheel assembly (11), and two sides of the middle position of the front surface and the back surface of the base (10) are respectively provided with a side groove (13) along the horizontal direction;
the sliding bases (20) are respectively clamped in the side grooves (13) in a sliding mode, and telescopic loop bars (21) are respectively connected to the outer sides of the sliding bases (20) in a rotating mode;
the support rod (30) is sleeved at the outer end of the telescopic loop rod (21) in a sliding mode along the vertical direction, a support chassis (32) is sleeved at the bottom end of the support rod (30), a stud (31) is butted at the top end of the support rod (30), a rotating body (23) is rotatably sleeved on the top surface of the outer end of the telescopic loop rod (21), and the stud (31) is sleeved in a central cavity of the rotating body (23) in a threaded mode;
the driving part (50) is arranged in the inner cavity (12), the driving part (50) comprises a gear (52) and a motor (53) for driving the gear (52) to rotate, one end of the bottom of the cross connecting rod mechanism (40) is rotatably connected to the top end of the driving part (50), and the other end of the bottom of the cross connecting rod mechanism (40) is rotatably connected with the side wall of the inner cavity (12);
the storage battery pack (70) is arranged at the bottom of the inner cavity body (12), and the storage battery pack (70) is used for providing electric energy for the walking wheel assembly (11) and the motor (53);
the rack (60) is horizontally and fixedly arranged above the storage battery pack (70) along the axial direction of the base (10), and the rack (60) is meshed with the gear (52);
the bottom surface of the top plate (80) is in sliding clamping connection with the two ends of the top of the cross connecting rod mechanism (40) along the axial direction respectively;
the guardrail component (90) comprises a first frame body (911) and a second frame body (921), the bottom of the first frame body (911) is in sliding clamping connection with the front portion of the top surface of the top plate (80) along the front-back direction, the bottom of the second frame body (921) is in sliding clamping connection with the rear portion of the top surface of the top plate (80) along the front-back direction, two ends of the back surface of the first frame body (911) are respectively and fixedly connected with a connecting rod (912), two ends of the front surface of the second frame body (921) are respectively and fixedly connected with a connecting sleeve (922), and the connecting rod (912) is in sleeve connection with the connecting sleeve (922).
2. A rack and pinion type cross arm lifting device according to claim 1, wherein: the front end and the rear end of the top surface and the bottom surface of the sliding base (20) are respectively provided with a sliding rail (203) along the axial direction of the side groove (13), and the top surface and the bottom surface of the inner cavity of the side groove (13) are respectively provided with a sliding groove which is connected with the sliding rail (203) in a sliding and clamping manner along the axial direction.
3. A rack and pinion type cross arm lifting device according to claim 2, wherein: draw-in groove (201) have been seted up respectively to the position placed in the middle of sliding base (20) lateral surface, shaft hole (202) have been seted up along vertical direction respectively to the top surface and the bottom surface of draw-in groove (201), the inner end joint of flexible loop bar (21) is in draw-in groove (201), and the pivot that just flexible loop bar (21) inner end top surface and bottom surface cup jointed perpendicularly rotates to cup joint in shaft hole (202).
4. A rack and pinion type cross arm lifting device according to claim 3, wherein: the outer end face of flexible loop bar (21) is fixedly connected with tip sleeve (22), bracing piece (30) slide along vertical direction cup joint in the central cavity of tip sleeve (22), the bottom of rotator (23) rotate cup joint in the top surface of tip sleeve (22).
5. The rack and pinion type cross arm lifting device according to claim 4, wherein: the side wall of the rotating body (23) is fixedly connected with an operating rod (24).
6. A rack and pinion cross arm lift as claimed in claim 5, characterised in that said operating lever (24) comprises:
fixing rod (241) and
the inner end of the fixing rod (241) is vertically and fixedly connected to the outer side wall of the rotating body (23);
the bottom end of the rotating rod (242) is rotatably connected with the outer end of the fixing rod (241), and the rotating shaft of the rotating rod (242) is perpendicular to the vertical plane where the central axis of the fixing rod (241) is located.
7. A rack and pinion cross arm hoist according to any one of claims 1-6, characterized in that the drive section (50) further comprises:
frame (51), the one end of gear (52) pivot with the power output shaft butt joint of motor (53), the other end of gear (52) pivot with respectively with the antetheca and the back wall of frame (51) inner chamber rotate and cup joint, the front end and the rear end of frame (51) top surface are fixedly connected with connection ear seat (54) respectively, connection ear seat (54) with the one end rotation connection of cross-bar linkage (40) bottom.
8. A rack and pinion type cross arm lifting device according to claim 7, wherein: the position that roof (80) bottom surface is close to front end and rear end is provided with bottom slide rail (81) along the axial respectively, the both ends of bottom slide rail (81) slide the joint respectively and have slip ear seat (82), slip ear seat (82) correspond respectively with the top of cross-connection rod mechanism (40) top connecting rod rotates to be connected.
9. A rack and pinion type cross arm lifting device according to claim 8, wherein: the two ends of the top surface of the top plate (80) are respectively provided with a transverse sliding chute (83) along the transverse direction, the front part of the transverse sliding chute (83) is slidably clamped with a first transverse sliding rail (91), a second transverse sliding rail (92) is clamped at the rear part of the transverse sliding chute (83) in a sliding way, two ends of the bottom of the first frame body (911) are respectively and vertically and fixedly connected with the front end of the top surface of the first sideslip slide rail (91), two ends of the bottom of the second frame body (921) are respectively and vertically and fixedly connected with the rear end of the top surface of the second sideslip slide rail (92), the position of the top surface of the first sideslip slide rail (91) close to the rear end and the position of the top surface of the second sideslip slide rail (92) close to the front end are respectively sleeved with a positioning bolt (93) in a threaded manner, a circular plate (94) is sleeved at the top end of the screw rod part of the positioning bolt (93), the outer diameter of the circular plate (94) is larger than the width of the top end of the traverse sliding chute (83).
10. A rack and pinion cross arm lift as claimed in claim 9 wherein the support chassis (32) is pivotally journalled to the bottom end of the support bar (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110279767.2A CN112919364B (en) | 2021-03-16 | 2021-03-16 | Gear rack type cross arm lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110279767.2A CN112919364B (en) | 2021-03-16 | 2021-03-16 | Gear rack type cross arm lifting device |
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| Publication Number | Publication Date |
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| CN112919364A true CN112919364A (en) | 2021-06-08 |
| CN112919364B CN112919364B (en) | 2024-06-21 |
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| CN202110279767.2A Active CN112919364B (en) | 2021-03-16 | 2021-03-16 | Gear rack type cross arm lifting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405043A (en) * | 2022-07-19 | 2022-11-29 | 重庆建筑工程职业学院 | Wallboard for assembly type building |
| CN115945804A (en) * | 2023-01-08 | 2023-04-11 | 合肥品能光伏科技有限公司 | Solar cell production equipment |
| CN116395611A (en) * | 2023-04-23 | 2023-07-07 | 长江三峡集团重庆能源投资有限公司 | Travelling car convenient to photovoltaic power plant overhauls |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115405043A (en) * | 2022-07-19 | 2022-11-29 | 重庆建筑工程职业学院 | Wallboard for assembly type building |
| CN115405043B (en) * | 2022-07-19 | 2023-06-13 | 重庆建筑工程职业学院 | Wallboard for assembled building |
| CN115945804A (en) * | 2023-01-08 | 2023-04-11 | 合肥品能光伏科技有限公司 | Solar cell production equipment |
| CN116395611A (en) * | 2023-04-23 | 2023-07-07 | 长江三峡集团重庆能源投资有限公司 | Travelling car convenient to photovoltaic power plant overhauls |
| CN116395611B (en) * | 2023-04-23 | 2023-12-08 | 长江三峡集团重庆能源投资有限公司 | Travelling car convenient to photovoltaic power plant overhauls |
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| CN112919364B (en) | 2024-06-21 |
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