CN110821245A - Pit type negative one-positive two-type lifting and transverse moving parking equipment - Google Patents

Abstract

The invention discloses a pit-type negative-one-positive-two-type lifting and traversing parking equipment. The concrete pit is a cuboid-shaped pit whose upper part is flush with the ground and the lower part is located below the ground. The concrete pit can be horizontal along the longitudinal direction. It accommodates three lateral parking spaces. The bottom of the above-ground frame is a concrete pit and is fixedly installed on the ground outside the concrete pit. The upper part of the above-ground frame is a rectangular frame corresponding to the size of the concrete pit. Within the rectangular frame on the upper part of the above-ground frame, the first-floor traverse truck device is installed on the concrete pit and is level with the ground, the lower-level lift truck device is installed at the bottom of the concrete pit, and the lift door is installed on the concrete pit. The inside of the pit is attached to the front wall of the pit, the top of the lift door is flush with the ground when it is not working, and the control device is installed on the beam of the ground frame. The beneficial effects of the invention are that when accessing the vehicle, the field of vision is wide, the access is convenient, the equipment cost is low, and labor is reduced.

Description

A kind of pit type negative one positive two type lifting and traversing parking equipment

technical field

The invention belongs to the technical field of mechanical three-dimensional parking equipment, and relates to a pit-type negative-one-positive-two-type lifting and traversing parking equipment.

Background technique

Although cars have brought great convenience to people's travel to a certain extent, the number of vehicles is too large, the number of parking spaces is seriously insufficient, and it is difficult to access cars, especially in the central urban areas of major cities. This is a huge social problem, and the mechanical three-dimensional garage effectively solves this problem. In particular, the lifting and traversing parking equipment has the advantages of low cost, simple operation and convenient installation, so this type of garage is very popular in the market. At present, the existing mechanical lifting and traversing parking equipment on the market has many defects, such as: the truck board is not flush with the ground, it is difficult for the owner to reverse the car into the warehouse, the vibration is severe and the noise is loud when reversing; the distance between the truck boards is large, reducing the The land utilization rate and the space for the owner to enter and exit the car after parking the car become very narrow; the front column of the garage limits the reversing space, which is time-consuming and labor-intensive especially for car owners who are not familiar with driving skills; some transmission cables cannot be hidden, which not only affects the reversing and entering the garage When the car owner enters and exits, it also makes the car owner’s parking experience worse; the degree of intelligence is low, the process of accessing the car is cumbersome, and special staff are required to perform on-site operations, which increases labor costs; there are also problems such as relatively high equipment and installation costs. Therefore, it is very important to innovate and design the lifting and traversing three-dimensional garage.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a pit type negative one positive two type lifting and traversing parking equipment, the beneficial effect of the present invention is that there is no column in front of the garage, the vision is wide when accessing the car, and the access is convenient; the car carrier is flush with the ground , Parking is stable, no vibration and noise will be generated; the second-layer car carrier adopts a decoupling device. When the second-layer car carrier smoothly descends to the first layer, the transmission wire rope will be quickly retracted, and there is no wire rope hindering the car when parking. The parking experience is greatly enhanced; the interval between the car boards is small, and the owner can easily enter and exit the garage after parking the car; the first floor of the car board is not supported by a steel structure frame, and the construction is directly in the concrete pit, which is low in cost; the lift door plays a role in Guiding function, no need for special staff to guide and operate, the owner only needs to follow the guidance of the lift door to directly find the empty parking space in the garage, and the degree of intelligence is enhanced; this structure is optimized and designed to expand a parking space to more If two parking spaces are constructed opposite to each other, materials and land resources will be greatly saved.

The technical scheme adopted by the present invention is a pit-type negative one-positive two-type lifting and traversing parking equipment, which includes a concrete pit, an above-ground frame, a two-story lifting vehicle carrying device, a first-level traversing vehicle carrying device, and a negative-layer lifting and lowering device. Car carrying device, lift gate and control device; the concrete pit is a cuboid pit with the top level with the ground and the bottom under the ground, the concrete pit can accommodate three horizontal parking spaces horizontally along the long side, the ground frame The bottom is fixedly installed on the ground outside the concrete pit. The upper part of the ground frame is a rectangular frame corresponding to the size of the concrete pit. The truck-carrying device is installed above the concrete pit and is level with the ground, the lower-level lifting truck-carrying device is installed at the bottom of the concrete pit, and the lift gate is installed inside the concrete pit and is attached to the front wall of the concrete pit , The top of the lift door is flush with the ground when it is not working, and the control device is installed on the beam of the ground frame.

Further, there is no column in front of the above-ground frame, and the front of the above-ground frame is the direction in which the vehicle enters the garage. The above-ground frame is composed of two rear main columns, an upper rectangular frame, a ceiling and other supporting beams. The two main columns are erected and fixed at the rear of the garage. The two main columns are circular, square or I-shaped steel members. The upper rectangular frame is set above the concrete pit and is fixedly connected with the two main columns at the rear. The upper rectangular frame includes two beams and several longitudinal beams. The beams and The longitudinal beams are fixedly connected to form three rectangular parking spaces evenly distributed horizontally along the direction of the beams. The ceiling is fixed on the top of the frame and viewed from the side as a slope.

Further, the second-floor lift truck device includes a second-floor power lifting device, a second-floor vehicle plate and a decoupling device, the second-floor power lifting device is located on the upper rectangular frame beam of the ground frame, and the second-floor power lifting device includes a second-floor base, a Motor, drum, wire rope, rope moving pulley, moving pulley guide and several fixed pulleys, the second floor base is fixed on the rear beam of the rectangular frame, the hoisting motor and the drum are arranged on the second floor base, and the hoisting motor is connected with the rotating shaft of the drum to Drive the drum to rotate, the pulley of the pulling rope is matched with the guide of the movable pulley, the guide of the movable pulley is fixed on the rear beam of the rectangular frame, several fixed pulleys are fixed on the rectangular frame, and the starting end of the wire rope is connected to the drum and goes around the moving pulley and several fixed pulleys in turn. The pulley is finally connected with the second-layer car carrier to drive the second-layer car carrier to lift and lower. The second-layer car carrier has a total of three and corresponds to three rectangular parking spaces respectively. The parking limit block, the steel plate covers the upper part of the well-shaped frame beam, the parking limit block is fixed at a distance of 2/3 from the front of the steel plate, and the decoupling device is located at the bottom of each vehicle plate. The four long beams of the well-shaped frame beam At the end point, the second-layer vehicle carrier plate is clamped and loosened by the decoupling device to achieve the purpose of combining and disengaging with the second-layer power hoisting device.

Further, the first-level traverse-carrying device includes a traverse track, a traverse power device and a layer of vehicle-carrying plate. The traverse track is divided into front and rear traverse tracks, which are respectively located on the upper part of the front and rear pit walls of the concrete pit. And the upper surface of the traverse track is flush with the ground, and the traverse power device is connected to a layer of vehicle carrier and located at the bottom of the first layer of the traverse carrier. A driven shaft, a guide wheel, a driven wheel and a supporting device, the first floor of the base is located at the bottom of the first floor of the car carrier and is connected with the carriage, the traverse motor is arranged on the first floor of the base, and the drive shaft is connected to the traverse motor. The guide wheel is connected to the transmission shaft and is located at both ends of the shaft, and the driven wheel is connected to the driven shaft and located at both ends of the shaft. The moving wheels are adapted to the traverse rails respectively, and the first layer of car-carrying plates is adapted to the front and rear traverse tracks respectively through the guide wheels and the driven wheels, and the left and right traverses are realized on the rails. One is used to realize the left and right lateral movement on the track, and the first layer of the car carrier is also composed of steel plates, well-shaped frame beams and parking limit blocks.

Further, the lower-level lifting vehicle device includes a negative-level power lifting device and a negative-level vehicle-carrying plate, the negative-level power lifting device is located on the ground between the two columns behind the ground frame, and the negative-level power lifting device includes two Floor base, hoisting motor, drum, wire rope, rope pulley, movable pulley guide and several fixed pulleys. The second floor base is fixed on the ground between the two columns behind the ground frame. The motor is connected with the rotating shaft of the drum to drive the drum to rotate. The rope-pulling pulley is adapted to the movable pulley guide. The movable pulley guide is fixed on the ground between the two columns behind the ground frame. Several fixed pulleys are fixed on the front and rear of the concrete pit. On the pit wall, the starting end of the steel wire rope is connected to the drum and goes around the movable pulley and several fixed pulleys in turn, and is finally connected to the negative layer of the car carrier plate to drive the negative layer of the car carrier plate to achieve lifting. The negative layer of the car carrier plate has a total of three Corresponding to the three parking spaces of the concrete pit respectively, the vehicle carrying plate on the first floor is connected with the power lifting device through wire ropes, and the car carrying plate on the negative layer is also composed of steel plates, well-shaped frame beams and parking limit blocks.

Further, the decoupling device is fixed at the four end points of the two long beams of the well-shaped frame beam at the lower part of each two-layer vehicle carrier plate. It consists of a stepping motor connected to the lead screw and driving the lead screw to rotate, the slider is equipped with an inner thread to match the lead screw, the slider is fixedly connected with the clamping plate and drives the clamping plate to slide left and right along the guide rail, and the lead screw is installed on the On the guide rail, the guide rail is connected with a support device, and the support device is fixed on the bottom of the vehicle carrier plate.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a side view structural schematic diagram of Fig. 1 of the present invention;

3 is a schematic diagram of the above-ground frame structure of the present invention;

Fig. 4 is the transmission schematic diagram of the power lifting device of the present invention;

Fig. 5 is a schematic diagram of the transmission from the right side of Fig. 4 of the present invention;

Fig. 6 is the structural schematic diagram of the vehicle carrier plate of the present invention;

FIG. 7 is a schematic diagram of the rear view of FIG. 6 of the present invention;

Fig. 8 is an enlarged view of the partial structure at place A in Fig. 6 of the present invention;

FIG. 9 is a schematic structural diagram of the lateral movement power device of the present invention.

In the figure, 1. Concrete pit, 2. Above-ground frame, 21. Main column, 22. Rectangular frame, 23. Ceiling, 24. Other support beams, 3. Second-floor lift truck device, 31. Second-floor power lifting device , 311, two-story base, 312, hoisting motor, 313, drum, 314, wire rope, 315, rope pulley, 316, moving pulley guide rail, 317, fixed pulley, 32, two-story car board, 321, steel plate, 322, T-shaped frame beam, 323, parking limit block, 33, decoupling device, 331, slider, 332, guide rail, 333, lead screw, 334, stepping motor, 335, clamping plate, 336, support device, 4, First floor traverse carriage device, 41, traverse track, 42, traverse power device, 421, first floor base, 422, traverse motor, 423, drive shaft, 424, driven shaft, 425, guide wheel, 426 , driven wheel, 427, support device, 43, one layer of car carrier, 5, negative layer of lift car device, 51, negative layer of power lifting device, 52, negative layer of car plate, 6, lift door, 7. Control device.

Detailed ways

The present invention will be described in detail below with reference to specific embodiments.

As shown in Figure 1-9, a pit-type negative one-positive two-type lifting and traversing parking equipment includes a concrete pit 1, an above-ground frame 2, a second-floor lift truck 3, a first-floor traverse truck 4, The lift truck device 5, the lift gate 6 and the control device 7 on the negative floor. The concrete pit 1 is a cuboid pit with the upper part flush with the ground and the lower part below the ground. The concrete pit 1 can be horizontal along the long side. Three lateral parking spaces are accommodated. The above-ground frame 2 is fixedly installed on the ground outside the concrete pit 1. The upper part of the above-ground frame 2 is a rectangular frame 22 corresponding to the size of the concrete pit 1. Inside the rectangular frame 22 on the upper part of the ground frame 2, the first floor traverse truck device 4 is arranged on the concrete pit 1 and is level with the ground level, and the negative layer lift truck device 5 is arranged in the concrete pit At the bottom, the lift door 6 is located inside the concrete pit 1 and is attached to the front wall of the concrete pit 1. The top of the lift door 6 is flush with the ground in the non-working state, and the control device 7 is located on the beam of the ground frame 2.

There is no column in front of the above-ground frame 2. The front of the above-ground frame 2 is the direction in which the vehicle enters the garage. The above-ground frame 2 consists of two rear main columns 21, an upper rectangular frame 22, a ceiling 23 and other supporting beams 24. The two main columns 21 It is erected and fixed at the rear of the garage. The two main columns 21 can be circular, square or I-beam steel structures. The upper rectangular frame 22 is fixedly connected to the two rear main columns 21. The upper rectangular frame 22 includes two beams and several Longitudinal beams, the beams and the longitudinal beams are fixedly connected to form three rectangular parking spaces evenly distributed horizontally along the direction of the beams.

The second-floor lifting vehicle carrying device 3 includes a second-floor power lifting device 31, a second-floor vehicle carrying plate 32 and a decoupling device 33. The second-floor power lifting device 31 is located on the upper rectangular frame 21 beam of the ground frame 2, and the second-floor power lifting device 31 It includes a second-layer base 311, a hoisting motor 312, a drum 313, a wire rope 314, a rope-pulling pulley 315, a movable pulley guide 316 and several fixed pulleys 317. The second-layer base 311 is fixed on the rear beam of the rectangular frame 21, and the lifting motor 312, the pulley 313 is arranged on the base 311 on the second floor, the hoisting motor 312 is connected with the rotating shaft of the drum 313 to drive the drum 313 to rotate; Several fixed pulleys 317 are fixed on the rectangular frame 21 , the starting end of the wire rope 314 is connected to the drum 313 and goes around the movable pulley 315 and several fixed pulleys 317 in turn and is finally connected with the second-layer vehicle carrier plate 32 to drive the second-layer vehicle carrier plate 32 To realize lifting, the second-floor vehicle carrier 32 has a total of three and corresponds to the three rectangular parking spaces on the upper part of the ground frame 2 respectively. Covered on the upper part of the well-shaped frame beam 322 and connected, the parking limit block 323 is installed at a distance of 2/3 from the front of the steel plate 321, and the decoupling device 33 is located at the lower part of each two-layer vehicle carrier plate 32. There are two well-shaped frame beams 322. At the four end points of the long beam, the second-layer vehicle carrier plate 32 has been clamped and loosened by the decoupling device 33 and the rope head of the wire rope 314 has achieved the purpose of combining and disengaging with the second-layer power lifting device 31 .

The first floor traverse carrier device 4 includes a traverse track 41 , a traverse power device 42 and a first layer of vehicle board 43 . The upper part of the pit wall and the upper surface of the traverse track 41 are flush with the ground. The traverse power device 42 is connected to a first layer of vehicle carrier plate 43 and is located at the bottom of the first layer of vehicle carrier plate 43. The traverse power device 42 includes a layer of base 421 , traverse motor 422, drive shaft 423, driven shaft 424, guide wheel 425, driven wheel 426 and support device 427, a layer of base 421 is located at the bottom of the first layer of vehicle carrier plate 43 and is connected with the vehicle carrier plate, the traverse motor 422 is set on the first floor base 421, the transmission shaft 423 is connected with the traverse motor 422, the guide wheel 425 is connected with the transmission shaft 423 and is located at both ends of the shaft, the driven wheel 426 is connected with the driven shaft 424 and is located at both ends of the shaft, The transmission shaft 423 and the driven shaft 424 are respectively installed at the bottom of the left and right sides of the first layer of the vehicle carrier plate 43 , the guide wheel 425 and the driven wheel 426 are respectively adapted to the traverse track 41 , and the first layer of the vehicle carrier plate 43 passes through the guide wheel 425 . . The driven wheel 426 is adapted to the front and rear traverse rails 41 respectively and can traverse left and right on the rails.

The negative first floor lift truck device 5 includes a negative first floor power lifting device 51 and a negative first floor vehicle carrier plate 52. The negative first floor power lifting device 51 is located on the ground between the two columns 21 behind the ground frame 2, and the negative first floor power The lifting device 51 includes a second-layer base 311 , a lifting motor 312 , a drum 313 , a wire rope 314 , a rope-pulling pulley 315 , a moving pulley guide 316 and several fixed pulleys 317 . On the ground, the hoisting motor 312 and the roller 313 are arranged on the base 311 on the second floor. The hoisting motor 312 is connected with the rotating shaft of the roller 313 to drive the roller 313 to rotate. On the ground between the two uprights 21 behind the ground frame 2, several fixed pulleys 317 are fixed on the front and rear walls of the concrete pit 1. The starting end of the wire rope 314 is connected to the drum 313 and goes around the movable pulley 316 and several fixed pulleys in turn. The pulley 317 is finally connected with the negative first floor car carrier plate 52 to drive the negative first floor car carrier plate 52 to achieve lifting. The deck 52 is connected to the power lifting device 51 through the wire rope 314 , and the lower deck 52 is also composed of a steel plate 321 , a well-shaped frame beam 322 and a parking limit block 323 .

The decoupling device 33 is fixed at the four end points of the two long beams of the well-shaped frame beam 322 at the lower part of each two-layer vehicle carrier plate 32. The clamping plate 335 and the supporting device 336 are composed. The stepping motor 332 is connected to the lead screw 333 and drives the lead screw 333 to rotate. And drive the clamping plate 335 to slide left and right along the guide rail 332 , the lead screw 333 is connected to the support device 336 , the guide rail 332 is installed on the support device 336 , and the support device 336 is fixed to the bottom of the vehicle carrier plate 32 .

The device of the present invention is provided with three entrances on the first floor, wherein the second floor and the negative first floor have three parking spaces, and the first floor has only two parking spaces. The parking space can be independently moved horizontally, and the space required for the third parking space can be vacated by the horizontal movement of the two parking spaces on the first floor, thereby providing a parking space for the parking spaces on the second floor and the negative floor to move up and down to the first floor. The car process is: when the vehicle is parked, the control device 7 sends an instruction, and the garage will select an empty parking space according to the instruction issued by the control system, and the selected empty parking space finally reaches the first floor through a series of actions. The corresponding lift door 6 falls to guide the vehicle owner to park. Now introduce the movement situation of each floor of the three floors of the garage: if there is an empty parking space on the first floor, the control device 7 instructs the lift gate 6 corresponding to the empty parking space on the first floor to drop, and guides the owner to park; If there is no empty parking space on the first floor and there is an empty parking space on the second floor, then the two parking spaces on the first floor will traverse left and right along the track 41 under the action of the traverse power device 42 to make room for the empty car board on the second floor. Under the action of the second-layer power lifting device 31, the second-layer car-carrying plate 32 is lowered to the first floor through the wire rope 314. After the landing is stable, the decoupling device 33 releases the wire rope head, and the second-layer power device 31 retracts the wire rope. 314. At this time, the lift door 6 corresponding to the vehicle carrier plate dropped to the first floor is lowered to guide the car owner to park. After the car owner has parked the car and walked out of the garage, the lift door 6 is raised, and the power unit 31 on the second floor will lift the wire rope. 314 Put down the decoupling device 33 at the bottom of the car carrier, the decoupling device 33 clamps the wire rope head, and the second floor power lifting device 31 lifts the car carriage carrying the car back to the second floor; if there is no empty parking space on the first and second floors If there are empty parking spaces on the negative floor, then the two parking spaces on the first floor will traverse left and right along the track 41 under the action of the traverse power device 42 to make room for the unloaded car board in the negative floor, and the negative car board on the negative floor. 52 Under the action of the negative layer power lifting device 51, the negative layer car carrier plate 52 is lifted to the first layer through the wire rope 314. The lift door 6 is lowered to guide the car owner to park the car. After the car owner parks the car and walks out of the garage, the lift door 6 is raised, and the power lifting device 54 on the negative floor lowers the vehicle carrying plate carrying the car to the negative floor. . The car retrieval process of the present invention is the reverse process of the car storage process, and all actions are opposite to those of the car storage process, which will not be described in detail here.

The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the present invention. within the scope of the technical solution of the invention.

Claims (6)

1. The utility model provides a pit type burden one two positive type lifting and horizontal moving parking equipment which characterized in that: the device comprises a concrete pit, an overground frame, a two-layer lifting vehicle-carrying device, a one-layer transverse vehicle-carrying device, a one-layer lifting vehicle-carrying device, a lifting door and a control device; the concrete pit is a cuboid pit with the upper part flush with the ground and the lower part below the ground, the concrete pit can horizontally accommodate three transverse parking spaces along the long edge direction, the bottom of the overground frame is fixedly installed on the ground outside the concrete pit, the upper part of the overground frame is a rectangular frame corresponding to the size of the concrete pit, two layers of lifting vehicle-carrying devices are arranged in the rectangular frame on the upper part of the overground frame, one layer of transverse vehicle-carrying device is arranged on the concrete pit and flush with the ground level, the negative layer of lifting vehicle-carrying device is arranged at the bottom of the concrete pit, a lifting door is arranged inside the concrete pit and is attached to the front wall of the concrete pit, the top of the lifting door is flush with the ground when the lifting door is in a non-working state, and the control device is installed on a cross beam of the overground frame.

2. A pit type negative-positive two type elevating traverse parking apparatus as set forth in claim 1, wherein: the front of the ground upper frame is free of stand columns, the front of the ground upper frame is the direction of a vehicle entering a garage, the ground upper frame is composed of two main stand columns at the rear, an upper rectangular frame, a ceiling and other supporting beams, the two main stand columns are vertically fixed at the rear of the garage, the two main stand columns are circular, square or I-shaped steel components, the upper rectangular frame is arranged above a concrete pit and is fixedly connected with the two main stand columns at the rear, the upper rectangular frame comprises two cross beams and a plurality of longitudinal beams, the cross beams and the longitudinal beams are fixedly connected to form three rectangular parking spaces which are horizontally and uniformly distributed along the direction of the cross beams, and the ceiling is fixed at the top end of the frame and.

3. A pit type negative-positive two type elevating traverse parking apparatus as set forth in claim 1, wherein: the two-layer lifting vehicle-carrying device comprises two-layer power lifting devices, two-layer vehicle-carrying plates and a unhooking device, wherein the two-layer power lifting devices are positioned on an upper rectangular frame beam of the ground frame, the two-layer power lifting devices comprise two-layer bases, a lifting motor, a roller, a steel wire rope, a rope pulling movable pulley, a movable pulley guide rail and a plurality of fixed pulleys, the two-layer bases are fixed on a rear cross beam of the rectangular frame, the lifting motor and the roller are arranged on the two-layer bases, the lifting motor is connected with a rotating shaft of the roller to drive the roller to rotate, the rope pulling movable pulley is matched with the movable pulley guide rail, the movable pulley guide rail is fixed on a rear cross beam of the rectangular frame, the plurality of fixed pulleys are fixed on the rectangular frame, the starting end of the steel wire rope is connected to the roller and sequentially bypasses the movable pulley and the plurality of fixed pulleys to be finally connected with the two-layer vehicle-, the two-layer vehicle carrying plate comprises a steel plate, a groined frame beam and a parking limiting block, the steel plate covers the upper portion of the groined frame beam, the parking limiting block is fixed at a position far away from the front portion 2/3 of the steel plate, the unhooking device is located at four end points of two long beams of the groined frame beam at the lower portion of each vehicle carrying plate, and the two-layer vehicle carrying plate is clamped and loosened through the unhooking device so as to achieve the purpose of combining and separating with the two-layer power lifting device.

4. A pit type negative-positive two type elevating traverse parking apparatus as set forth in claim 1, wherein: the one-layer transverse moving vehicle-carrying device comprises transverse moving rails, a transverse moving power device and a one-layer vehicle-carrying plate, wherein the transverse moving rails are divided into a front transverse moving rail and a rear transverse moving rail which are respectively positioned at the upper parts of the front pit wall and the rear pit wall of the concrete pit, the upper surfaces of the transverse moving rails are flush with the ground, the transverse moving power device is connected with the one-layer vehicle-carrying plate and positioned at the bottom of the one-layer transverse moving vehicle-carrying plate, the transverse moving power device comprises a one-layer base, a transverse moving motor, a transmission shaft, a driven shaft, guide wheels, driven wheels and a supporting device, the one-layer base is positioned at the bottom of the one-layer vehicle-carrying plate and connected with the vehicle-carrying plate, the transverse moving motor is arranged on the one-layer base, the transmission shaft is connected with the transverse moving motor, the guide wheels are connected, the first layer of vehicle carrying plates are respectively matched with the front and rear transverse moving rails through guide wheels and driven wheels and transversely move left and right on the rails, the number of the first layer of vehicle carrying plates is two, the first layer of vehicle carrying plates are used for transversely moving left and right on the rails, and the first layer of vehicle carrying plates also comprise steel plates, # -shaped frame beams and parking limit blocks.

5. A pit type negative-positive two type elevating traverse parking apparatus as set forth in claim 1, wherein: the one-layer-negative lifting vehicle-carrying device comprises a one-layer-negative power lifting device and a one-layer-negative vehicle-carrying plate, the one-layer-negative power lifting device is positioned on the ground between two stand columns behind the ground frame, the one-layer-negative power lifting device comprises a two-layer base, a lifting motor, a roller, a steel wire rope, a rope-pulling movable pulley, a movable pulley guide rail and a plurality of fixed pulleys, the two-layer base is fixed on the ground between the two stand columns behind the ground frame, the lifting motor and the roller are arranged on the two-layer base, the lifting motor is connected with a rotating shaft of the roller to drive the roller to rotate, the rope-pulling movable pulley is matched with the movable pulley guide rail, the movable pulley guide rail is fixed on the ground between the two stand columns behind the ground frame, the fixed pulleys are fixed on the front pit wall and the rear pit wall of the concrete pit, the starting end of the steel wire rope is connected, the one-layer loading plate is provided with three parking spaces which respectively correspond to the concrete pits, the one-layer loading plate is connected with the power lifting device through a steel wire rope, and the one-layer loading plate is also composed of a steel plate, a groined frame beam and a parking limit block.

6. A pit type negative-positive two type elevating traverse parking apparatus as set forth in claim 1, wherein: the unhooking device is fixed at four end points of two long beams of a # -shaped frame beam at the lower part of each two-layer vehicle carrying plate and comprises a sliding block, a guide rail, a lead screw, a stepping motor, a clamping plate and a supporting device, wherein the stepping motor is connected with the lead screw and drives the lead screw to rotate, the sliding block is matched with an internal thread and the lead screw, the sliding block is fixedly connected with the clamping plate and drives the clamping plate to slide left and right along the guide rail, the lead screw is arranged on the guide rail, the guide rail is connected with the supporting device, and the supporting device is fixed at the bottom of the.

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