CN112919364B - Gear rack type cross arm lifting device - Google Patents
Gear rack type cross arm lifting device Download PDFInfo
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- CN112919364B CN112919364B CN202110279767.2A CN202110279767A CN112919364B CN 112919364 B CN112919364 B CN 112919364B CN 202110279767 A CN202110279767 A CN 202110279767A CN 112919364 B CN112919364 B CN 112919364B
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- rod
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- rack
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of lifting devices, in particular to a gear rack type cross arm lifting device, wherein a base is provided with an electrically driven travelling wheel assembly, the outer sides of sliding bases which are slidably clamped in side grooves formed in the front side and the back side of the base in the horizontal direction are respectively and rotatably connected with a telescopic sleeve rod, the bottom end of a supporting rod which is slidably sleeved at the outer end of the telescopic sleeve rod is sleeved with a supporting chassis, a rotating body which is rotatably sleeved at the top surface of the outer end of the telescopic sleeve rod is rotatably sleeved with a stud thread at the top end of the supporting rod, a driving part which is rotatably connected with one end of the bottom of a cross connecting rod mechanism comprises a gear and a motor, the other end of the bottom of the cross connecting rod mechanism is rotatably connected with the side wall of an inner cavity, a storage battery pack is arranged at the bottom of the inner cavity and used for providing electric energy for the travelling wheel assembly and the motor to be installed above the storage battery pack, the bottom of a top plate is correspondingly and slidably clamped with the top of the cross connecting rod mechanism, and the guardrail assembly at 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 gear rack type cross arm lifting device.
Background
Because the cross arm lifting mechanism has large bearing capacity, stable lifting, good contractibility, small volume after contraction and small occupied space, and the frame of the cross arm lifting mechanism can be lowered into a ground groove or a mounting groove of certain equipment, so that the top of the cross arm lifting mechanism is level with the ground or the working table surface of the equipment, and the cross arm lifting mechanism is widely applied. For example, the device is used for lifting a vehicle during overhauling the vehicle, is used for transporting cargoes up and down between working layers, is used for lifting a workpiece to be tested from a low position convenient to position and install to a vacuum chamber of mass spectrum leakage detection equipment positioned at a higher position, and the like.
At present, the crossed arm lifting mechanism is lifted by using an air cylinder or a hydraulic cylinder to achieve lifting effect, but the lifting mechanism is required to be equipped with an air pump or an oil pump device, so that the whole structure of the device is complex, the size is large, and the use of some space limiting areas is inconvenient.
Disclosure of Invention
The invention aims at solving the problems of complex structure and large occupied volume of a cross arm lifting device in the prior art and designs a gear rack type cross arm lifting device.
In order to achieve the above purpose, the present invention provides the following technical solutions: the rack and pinion type cross arm lifting device comprises a base, a cross connecting rod mechanism, a sliding base, a supporting rod, a driving part, racks, a storage battery pack, a top plate and a guardrail assembly, wherein an inner cavity is formed in the top surface of the base, an electrically-driven travelling wheel assembly is arranged on the base, and side grooves are formed in two sides of the middle positions of the front surface and the back surface of the base along the horizontal direction respectively;
the sliding base is respectively and slidably clamped in the side grooves, and the outer sides of the sliding base are respectively and rotatably connected with a telescopic loop bar;
The support rod is sleeved at the outer end of the telescopic sleeve rod in a sliding manner along the vertical direction, the bottom end of the support rod is sleeved with a support chassis, the top end of the support rod is in butt joint with a stud, the top surface of the outer end of the telescopic sleeve rod is rotatably sleeved with a rotating body, and the stud is in threaded sleeve connection with the central cavity of the rotating body;
The driving part is arranged in the inner cavity, the driving part comprises a gear and a motor for driving the gear to rotate, one end of the bottom of the cross connecting rod mechanism is rotationally connected to the top end of the driving part, and the other end of the bottom of the cross connecting rod mechanism is rotationally connected with the side wall of the inner cavity;
the storage battery pack is arranged at the bottom of the inner cavity and is used for providing electric energy for the travelling 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 is meshed with the gear;
the bottom surface of the top plate is respectively clamped with two ends of the top of the cross connecting rod mechanism in an axial sliding manner;
The guardrail assembly comprises a first frame body and a second frame body, wherein the bottom of the first frame body is clamped at the front part of the top surface of the top plate in a sliding mode along the front-back direction, the bottom of the second frame body is clamped at the rear part of the top surface of the top plate in a sliding mode along the front-back direction, connecting rods are respectively and vertically fixedly connected to two ends of the back of the first frame body, connecting sleeves are respectively and vertically fixedly connected to two ends of the front of the second frame body, and the connecting rods are sleeved 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 sliding rails 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 sliding grooves which are in sliding clamping connection with the sliding rails along the axial direction.
Preferably, the clamping grooves are respectively formed in the middle positions of the outer side surfaces of the sliding base, the top surfaces and the bottom surfaces of the clamping grooves are respectively provided with shaft holes along the vertical direction, the inner ends of the telescopic loop bars are clamped in the clamping grooves, and the rotating shafts vertically sleeved on the top surfaces and the bottom surfaces of the inner ends of the telescopic loop bars are rotatably sleeved in the shaft holes.
Preferably, the outer end face of the telescopic sleeve rod is fixedly connected with an end sleeve, the supporting rod is sleeved in the central cavity of the end sleeve in a sliding mode along the vertical direction, and the bottom end of the rotating body is sleeved on the top face of the end sleeve in a rotating mode.
Preferably, the side wall of the rotating body is fixedly connected with an operating rod.
Preferably, the operation rod comprises a fixed rod and a rotary rod, and the inner end of the fixed rod is vertically and fixedly connected to the outer side wall of the rotary body;
the bottom of the rotary rod is rotationally connected with the outer end of the fixed rod, and the rotary shaft of the rotary rod is perpendicular to the vertical plane where the central axis of the fixed rod is located.
Preferably, the driving part further comprises a frame, one end of the gear rotating shaft is in butt joint with a power output shaft of the motor, the other end of the gear rotating shaft is in rotary sleeve joint with a front wall and a rear wall of an inner cavity of the frame respectively, a connecting lug seat is fixedly connected with the front end and the rear end of the top surface of the frame respectively, and the connecting lug seat is in rotary connection with one end of the bottom of the cross connecting rod mechanism.
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 and slidably connected with a sliding lug seat in a clamping manner, and the sliding lug seat is respectively and correspondingly connected with the top end of the top connecting rod of the cross connecting rod mechanism in a rotating manner.
Preferably, the lateral sliding chute is transversely provided at the two ends of the top plate, the first lateral sliding rail is slidably clamped at the front part of the lateral sliding chute, the second lateral sliding rail is slidably clamped at the rear part of the lateral sliding chute, the two ends of the bottom of the first frame are respectively and vertically fixedly connected to the front end of the top surface of the first lateral sliding rail, the two ends of the bottom of the second frame are respectively and vertically fixedly connected to the rear end of the top surface of the second lateral sliding rail, the position close to the rear end of the top surface of the first lateral sliding rail and the position close to the front end of the top surface of the second lateral sliding rail are respectively and spirally sleeved with the positioning bolt, the top end of the screw part of the positioning bolt is sleeved with the circular plate, and the outer diameter of the circular plate is larger than the width of the top end of the lateral sliding chute.
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 has the advantages of integrated integral structure, small occupied volume and suitability 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 supported at construction sites with different sizes.
3. The guardrail component of the cross arm lifting device can flexibly adjust the protection size, thereby being convenient for placing construction machines with different volumes 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 diagram of the overall front view structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A 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 schematic side view of the driving part of the present invention;
FIG. 5 is a schematic perspective view of a top plate according to the present invention;
Fig. 6 is a schematic side view of the guardrail assembly of the present invention.
In the figure: 10-a base; 11-a road wheel assembly; 12-an inner cavity; 13-side grooves; 20-a sliding base; 201-a clamping groove; 202-shaft holes; 203-sliding rails; 21-a telescopic loop bar; 22-end sleeve; 23-rotating body; 24-an operating lever; 241—a fixed rod; 242-rotating the rod; 30-supporting rods; 31-studs; 32-supporting a chassis; 40-crossed linkage; 50-a driving part; 51-a frame; 52-gear; 53-motor; 54-connecting the ear seat; 60-racks; 70-battery pack; 80-top plate; 81-bottom slide rail; 82-sliding ear mount; 83-traversing the chute; 90-guard rail assembly; 91-a first traversing rail; 911-a first housing; 912-connecting rod; 92-a second traversing rail; 921-a second frame; 922-connecting the sleeve; 93-positioning bolts; 94-circular plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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, a cross link mechanism 40, a sliding base 20, a support rod 30, a driving portion 50, a rack 60, a battery pack 70, a top plate 80, and a guardrail assembly 90, wherein an inner cavity 12 is disposed on the top surface of the base 10, an electrically driven travelling wheel assembly 11 is disposed on the base 10, and side slots 13 are respectively disposed on two sides of the middle positions of the front and back surfaces of the base 10 along the horizontal direction;
wherein, the sliding base 20 is respectively and slidably clamped in the side grooves 13, and the outer sides of the sliding base 20 are respectively and rotatably connected with a telescopic sleeve rod 21;
The support rod 30 is sleeved at the outer end of the telescopic sleeve 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 sleeved with the stud 31 in a butting manner, the top surface of the outer end of the telescopic sleeve rod 21 is rotatably sleeved with the rotary body 23, and the stud 31 is in threaded sleeve connection with the central cavity of the rotary body 23;
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 rotationally 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 rotationally connected with the side wall of the inner cavity 12;
wherein, the battery pack 70 is arranged at the bottom of the inner cavity 12, and the 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 crossed connecting rod mechanism 40 in an axial sliding way;
The guardrail assembly 90 includes a first frame 911 and a second frame 921, wherein the bottom of the first frame 911 is slidably clamped at the front portion of the top surface of the top plate 80 along the front-back direction, the bottom of the second frame 921 is slidably clamped at the rear portion of the top surface of the top plate 80 along the front-back direction, two ends of the back of the first frame 911 are respectively and vertically fixedly connected with a connecting rod 912, two ends of the front of the second frame 921 are respectively and vertically fixedly connected with a connecting sleeve 922, and the connecting rod 912 is sleeved with the 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 sliding grooves in sliding clamping connection with the sliding rail 203 along the axial direction.
In this embodiment, the middle position of the outer side surface of the sliding base 20 is provided with a clamping groove 201, the top surface and the bottom surface of the clamping groove 201 are provided with a shaft hole 202 along the vertical direction respectively, the inner end of the telescopic sleeve rod 21 is clamped in the clamping groove 201, and the top surface and the bottom surface of the inner end of the telescopic sleeve rod 21 are vertically sleeved with a rotating shaft in a rotating manner and sleeved in the shaft hole 202.
In this embodiment, the outer end surface of the telescopic rod 21 is fixedly connected with an 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 the present embodiment, the operation lever 24 is fixedly connected to the 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 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.
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 in rotary socket joint with a front wall and a rear wall of an inner cavity of the frame 51 respectively, a front end and a rear end of a top surface of the frame 51 are fixedly connected with a connecting lug 54 respectively, and the connecting lug 54 is in rotary connection with one end of the bottom of the cross link mechanism 40.
In this embodiment, bottom sliding rails 81 are respectively disposed on the bottom surface of the top plate 80 near the front end and the rear end in the axial direction, sliding lugs 82 are respectively slidably engaged with two ends of the bottom sliding rails 81, and the sliding lugs 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 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, the rear part of the transverse sliding chute 83 is slidably clamped with a second transverse sliding rail 92, two ends of the bottom of the first frame 911 are respectively and vertically fixedly connected with the front end of the top surface of the first transverse sliding rail 91, two ends of the bottom of the second frame 921 are respectively and vertically fixedly connected with the rear end of the top surface of the second transverse sliding rail 92, the position, close to the rear end, of the top surface of the first transverse sliding rail 91 and the position, close to the front end, of the top surface of the second transverse sliding rail 92 are respectively and spirally sleeved with a positioning bolt 93, the top end of the screw portion of the positioning bolt 93 is sleeved with a circular plate 94, and the outer diameter of the circular plate 94 is larger than the width of the top end of the transverse sliding chute 83.
In this embodiment, the support chassis 32 is rotatably sleeved with the bottom end of the support rod 30.
Working principle: 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 sleeve rod 21 according to the size of the construction site area, rotating the telescopic sleeve rod 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 tightly contacted with the ground, thereby completing the fixed placement of the lifting device; according to the occupied volume of the construction machine placed on the top plate 80, the forward moving distance of the first traversing slide rail 91 along the traversing slide groove 83 and the backward moving distance of the second traversing slide rail 92 along the traversing 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 on two sides of the top end of the traversing slide groove 83, the positioning of the first frame body 911 and the second frame body 921 is completed, the construction machine and the constructor are transferred into the guardrail assembly 90 on the top plate 80, the motor 53 drives the gear 52 to rotate according to the construction height, and the gear 52 is meshed and transmitted on the rack 60, so that the top plate 80 is lifted to the construction height by the cross connecting rod mechanism 40.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a rack and pinion formula cross arm elevating gear, includes base (10) and cross link mechanism (40), its characterized in that still includes:
a slide base (20);
A support rod (30);
A driving unit (50);
A rack (60);
a battery pack (70);
Top plate (80)
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 travelling wheel assembly (11), and two sides of the middle positions of the front and the back of the base (10) are respectively provided with a side groove (13) along the horizontal direction;
the sliding bases (20) are respectively and slidably clamped in the side grooves (13), and telescopic loop bars (21) are respectively and rotatably connected to the outer sides of the sliding bases (20);
The support rod (30) is sleeved at the outer end of the telescopic sleeve rod (21) in a sliding manner along the vertical direction, a support chassis (32) is sleeved at the bottom end of the support rod (30), a stud (31) is sleeved at the top end of the support rod (30), a rotary body (23) is rotatably sleeved on the top surface of the outer end of the telescopic sleeve rod (21), and the stud (31) is in threaded sleeve connection with the central cavity of the rotary body (23);
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 rotationally 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 rotationally connected with the side wall of the inner cavity (12);
wherein 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);
The bottom sliding rail (81) is respectively arranged at the position, close to the front end and the rear end, of the bottom surface of the top plate (80), the two ends of the bottom sliding rail (81) are respectively and slidably clamped with a sliding lug seat (82), and the sliding lug seats (82) are respectively and correspondingly connected with the top ends of the top connecting rods of the cross connecting rod mechanisms (40) in a rotating mode;
The guardrail assembly (90) comprises a first frame body (911) and a second frame body (921), wherein the bottom of the first frame body (911) is slidably clamped at the front part of the top surface of the top plate (80) along the front-back direction, the bottom of the second frame body (921) is slidably clamped at the rear part of the top surface of the top plate (80) along the front-back direction, two ends of the back of the first frame body (911) are respectively and vertically fixedly connected with connecting rods (912), two ends of the front of the second frame body (921) are respectively and vertically fixedly connected with connecting sleeves (922), and the connecting rods (912) are sleeved with the connecting sleeves (922).
2. A rack and pinion type cross arm lifting device as claimed in 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 sliding rails (203) along the axial direction of the side grooves (13), and the top surface and the bottom surface of the inner cavity of the side grooves (13) are respectively provided with sliding grooves which are in sliding clamping connection with the sliding rails (203) along the axial direction.
3. A rack and pinion type cross arm lifting device as claimed in claim 1, wherein: clamping grooves (201) are respectively formed in the middle positions of the outer side faces of the sliding base (20), shaft holes (202) are respectively formed in the top faces and the bottom faces of the clamping grooves (201) along the vertical direction, the inner ends of the telescopic sleeve rods (21) are clamped in the clamping grooves (201), and rotating shafts vertically sleeved on the top faces and the bottom faces of the inner ends of the telescopic sleeve rods (21) rotate and are sleeved in the shaft holes (202).
4. A rack and pinion type cross arm lifting device as claimed in claim 3, wherein: the outer end face of the telescopic sleeve rod (21) is fixedly connected with an end sleeve (22), the supporting rod (30) is sleeved in the central cavity of the end sleeve (22) in a sliding mode along the vertical direction, and the bottom end of the rotating body (23) is sleeved on the top face of the end sleeve (22) in a rotating mode.
5. The rack and pinion type cross arm lifting device as claimed in claim 4, wherein: the side wall of the rotating body (23) is fixedly connected with an operating rod (24).
6. A rack and pinion type cross arm lifting device according to claim 5, wherein the operating lever (24) comprises:
fixing rod (241)
The inner end of the fixed 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 fixed rod (241), and the rotating shaft of the rotating rod (242) is perpendicular to the vertical plane where the central axis of the fixed rod (241) is located.
7. A rack and pinion type cross arm lifting device according to claim 3, wherein the driving part (50) further comprises:
The device comprises a frame (51), wherein one end of a rotating shaft of a gear (52) is in butt joint with a power output shaft of a motor (53), the other end of the rotating shaft of the gear (52) is in rotary sleeve joint with a front wall and a rear wall of an inner cavity of the frame (51) respectively, a connecting lug seat (54) is fixedly connected with the front end and the rear end of the top surface of the frame (51) respectively, and the connecting lug seat (54) is in rotary connection with one end of the bottom of a cross connecting rod mechanism (40).
8. The rack and pinion type cross arm lifting device as claimed in claim 7, wherein: the utility model discloses a transverse sliding device for the sliding device of the automobile, including roof (80) and locating bolt (93), sideslip spout (83) have been seted up along transversely respectively to the both ends position of roof (80) top surface, the anterior slip joint of sideslip spout (83) has first sideslip slide rail (91), the rear portion slip joint of sideslip spout (83) has second sideslip slide rail (92), the both ends of first framework (911) bottom respectively perpendicular fixedly connected with the front end of first sideslip slide rail (91) top surface, the both ends of second framework (921) bottom respectively perpendicular fixedly connected with the rear end of second sideslip slide rail (92) top surface, the near-to rear end position of first sideslip slide rail (91) top surface and the near-to front end position of second sideslip slide rail (92) top surface has been threaded respectively cup jointed locating bolt (93), the top of locating bolt (93) screw rod portion has cup jointed plectane (94), the external diameter of plectane (94) is greater than the width on sideslip spout (83) top.
9. The rack and pinion type cross arm lifting device according to claim 8, wherein the support chassis (32) is rotatably sleeved with the bottom end of the support rod (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112919364A CN112919364A (en) | 2021-06-08 |
| CN112919364B true CN112919364B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110279767.2A Active CN112919364B (en) | 2021-03-16 | 2021-03-16 | Gear rack type cross arm lifting device |
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| CN (1) | CN112919364B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115405043B (en) * | 2022-07-19 | 2023-06-13 | 重庆建筑工程职业学院 | Wallboard for assembled building |
| CN115945804B (en) * | 2023-01-08 | 2024-10-11 | 合肥品能光伏科技有限公司 | Solar cell production equipment |
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214653325U (en) * | 2021-03-16 | 2021-11-09 | 合肥圣诺自动化设备有限公司 | Rack and pinion formula crossing arm elevating gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3208400C2 (en) * | 1982-03-09 | 1985-08-22 | Expert Maschinenbau Gmbh, 6143 Lorsch | Scissor lift table with step drive |
| IT1260801B (en) * | 1992-08-26 | 1996-04-22 | MOBILE PLATFORM USED FOR LIFTING LOADS. | |
| US9212038B1 (en) * | 2014-10-07 | 2015-12-15 | Kelly Presti | Automated portable personal lift |
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2021
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214653325U (en) * | 2021-03-16 | 2021-11-09 | 合肥圣诺自动化设备有限公司 | Rack and pinion formula crossing arm elevating gear |
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