CN112623003A - Engineering trolley convenient for crossing obstacles - Google Patents
Engineering trolley convenient for crossing obstacles Download PDFInfo
- Publication number
- CN112623003A CN112623003A CN202110054936.2A CN202110054936A CN112623003A CN 112623003 A CN112623003 A CN 112623003A CN 202110054936 A CN202110054936 A CN 202110054936A CN 112623003 A CN112623003 A CN 112623003A
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- China
- Prior art keywords
- fixedly connected
- block
- bottom plate
- sliding
- iron
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
- B62B5/0036—Arrangements of motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
- B62B5/0053—Arrangements of batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0066—Transmission of movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
The invention discloses an engineering cart convenient for climbing over obstacles, which comprises a bottom plate, wherein a horizontal mechanism is arranged at the upper side of the bottom plate, the horizontal mechanism comprises two first fixed blocks which are fixedly connected with the upper end surface of the bottom plate and are symmetrically distributed, a first fixed shaft is fixedly connected on the inward end surface of the first fixed block, a second fixed block is rotatably connected on the first fixed shaft, a placing plate is fixedly connected on the upper end surface of the second fixed block, and a placing cavity is arranged in the placing plate. When the vehicle climbs over obstacles and goes up and down a slope, the safety accidents caused by bumping, damaging and sliding of materials are prevented.
Description
Technical Field
The invention relates to the field of engineering carts, in particular to an engineering cart convenient for climbing over obstacles.
Background
The small trolleys are usually used in the building industry, can be used for carrying some building materials, such as sand, stones and cement, are relatively wide in practical use in the building site due to the small size of the small trolleys, but are provided with a plurality of obstacles due to the fact that the trolleys are relatively messy on the ground in the building site, so that the trolleys need to bypass the obstacles or are directly rolled from the upper side, the materials are easy to fall onto the ground due to jolting when the materials are transported, the materials to be installed are damaged, and safety accidents are easy to happen.
Disclosure of Invention
The invention aims to provide an engineering cart convenient for climbing over obstacles, and overcomes the problems.
The invention is realized by the following technical scheme.
The engineering cart convenient for obstacle crossing comprises a bottom plate, wherein a horizontal mechanism is arranged on the upper side of the bottom plate, the horizontal mechanism comprises two first fixed blocks which are fixedly connected to the upper end surface of the bottom plate and symmetrically distributed, a first fixed shaft is fixedly connected to the inward end surface of the first fixed block, a second fixed block is rotatably connected to the first fixed shaft, the upper end surface of the second fixed block is fixedly connected with a placing plate, a placing cavity is arranged in the placing plate, a sliding plate which is connected with the placing plate in a sliding manner is arranged in the placing cavity, two sliding chutes which are symmetrically distributed are arranged in the sliding plate, a first toothed block is fixedly connected to the lower end surface of the sliding plate, a third fixed block which is fixedly connected to the upper end surface of the bottom plate is arranged on the lower side of the first toothed block, and a second fixed shaft is fixedly connected to the front end surface of the, a first gear is rotatably connected to the second fixed shaft, the first gear is meshed with the first toothed block, a connecting rod is fixedly connected to the lower end face of the first gear, and a swinging block is fixedly connected to the lower end face of the connecting rod;
the upper side of the bottom plate is provided with a fixing mechanism, the fixing mechanism comprises two first limiting blocks which are fixedly connected to the lower end surface of the placing plate and are symmetrically distributed by taking the first toothed blocks as the symmetric center, a first limiting cavity is arranged in the first limiting blocks, a first motor is fixedly connected to the inner wall of the lower side of the first limiting cavity, the upper end surface of the first motor is rotatably connected with a first driving shaft, a first bevel gear is fixedly connected to the first driving shaft, a fourth fixing block is fixedly connected to the inner wall of the upper side of the first limiting cavity, a first screw rod is rotatably connected to the fourth fixing block, a second bevel gear is fixedly connected to the first screw rod and is meshed with the first bevel gear, and the first screw rod is in threaded connection with two first sliding blocks which are symmetrically distributed by taking the second bevel gear as the symmetric center, the first sliding block is connected with the first limiting cavity in a sliding mode, a second limiting block is fixedly connected to the outer end face of the first sliding block, a second limiting cavity is arranged inside the second limiting block, a second motor is fixedly connected to the inner wall, close to the second bevel gear, of the second limiting cavity, a second driving shaft is fixedly connected to the end face, close to the first toothed block, of the second motor, a second gear is fixedly connected to the second driving shaft, a second sliding block which is connected with the second limiting cavity in a sliding mode is arranged inside the second limiting cavity, a second toothed block is fixedly connected to the end face, close to the second bevel gear, of the second sliding block, the second toothed block is meshed with the second gear, and a fifth fixing block is fixedly connected to the upper end face of the second sliding block;
the bottom plate downside is equipped with and turns over the mechanism, turn over the three third restriction piece that is horizontal distribution of mechanism lower end face fixedly connected with, the first iron plate of third restriction piece up end fixedly connected with, the inside third restriction chamber that is equipped with of third restriction piece, the first electro-magnet of third restriction chamber upside inner wall fixedly connected with, the first spring of end face fixedly connected with under the first electro-magnet, first spring other end fixedly connected with second iron plate, the second iron plate with third restriction chamber sliding connection, end face fixedly connected with bracing piece under the second iron plate, fixedly connected with third fixed axle on the bracing piece, rotate on the third fixed axle be connected with two with the bracing piece is the drive wheel at symmetric center.
Preferably, a bottom plate cavity is arranged in the bottom plate, a third motor is fixedly connected to the inner wall of the right side of the bottom plate cavity, the left end face of the third motor is rotatably connected with a second lead screw, the second lead screw is in threaded connection with a third slider, the third slider is in sliding connection with the bottom plate cavity, a third iron block is fixedly connected to the lower end face of the third slider, a first power source is fixedly connected to the lower end face of the bottom plate, the first power source is electrically connected with the leftmost first electromagnet through a first electric wire, one end of the first electric wire is connected with the third iron block, the other end of the first electric wire is connected with the leftmost first iron block, the first power source is electrically connected with the middle first electromagnet through a second electric wire, one end of the second electric wire is connected with the third iron block, the other end of the second electric wire is connected with the middle first iron block, the first power source is electrically connected with the rightmost first electromagnet through a third electric wire, one end of the third wire is connected with the third iron block, and the other end of the third wire is connected with the rightmost first iron block.
Preferably, the left end face of the supporting rod is fixedly connected with a distance sensor, and the upper end face of the bottom plate is fixedly connected with a pushing block.
Preferably, two fourth limiting blocks which use the third fixed block as a symmetric center are fixedly connected to the upper end face of the bottom plate, a fourth limiting cavity is arranged inside the fourth limiting block, a second spring is fixedly connected to the lower end face of the fourth limiting cavity, a fourth iron block is fixedly connected to the other end of the second spring, the fourth iron block is slidably connected to the fourth limiting cavity, a limiting rod is fixedly connected to the upper end face of the fourth iron block, a sliding shaft is fixedly connected to the front end face of the limiting rod, the sliding shaft is slidably connected to the sliding groove, and a resistor is fixedly connected to the inner wall of the side of the third fixed block in the fourth limiting cavity.
Preferably, the bottom plate up end fixedly connected with uses the third fixed block as the fifth restriction piece that is the symmetric distribution of center of symmetry two, the inside fifth restriction chamber that is equipped with of fifth restriction piece, fifth restriction chamber downside inner wall is fixed with the second electro-magnet, second electro-magnet up end fixedly connected with third spring, third spring other end fixedly connected with third iron plate, the third iron plate with fifth restriction chamber sliding connection, third iron plate up end fixedly connected with dead lever, terminal surface fixedly connected with fourth fixed axle before the dead lever, fourth fixed axle up end rotates and is connected with the supporting wheel.
Preferably, the end face of the bottom plate is fixedly connected with two second power supplies which are symmetrically distributed and take a third fixed block as a symmetric center, the second power supplies are electrically connected with the second electromagnet through a fourth electric wire, one end of the fourth electric wire is connected with the resistor, and the other end of the first fixed block is connected with the fourth iron block.
The invention has the beneficial effects that: the invention ensures that the cart can climb over the obstacle without contact through orderly lifting and falling of the three groups of driving wheels, the cart cannot bump due to no contact with the obstacle, the materials fixed on the placing plate by the fixing device cannot be damaged, and the support of the placing plate by the two supporting wheels is controlled through the swinging of the swinging block, so that the level of the placing plate is ensured, and the safety accidents caused by bumping damage and sliding of the materials are prevented when the cart climbs over the obstacle and goes up and down a slope.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;
FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The engineering cart convenient for obstacle crossing comprises a bottom plate 10, a horizontal mechanism 90 is arranged on the upper side of the bottom plate 10, the horizontal mechanism 90 comprises two first fixing blocks 31 which are fixedly connected to the upper end surface of the bottom plate 10 and symmetrically distributed, a first fixing shaft 32 is fixedly connected to the inward end surface of each first fixing block 31, a second fixing block 33 is rotatably connected to each first fixing shaft 32, a placing plate 34 is fixedly connected to the upper end surface of each second fixing block 33, a placing cavity 35 is arranged inside each placing plate 34, a sliding plate 36 which is slidably connected with the placing plate 34 is arranged inside each placing cavity 35, two sliding grooves 38 which are symmetrically distributed are arranged inside each sliding plate 36, a first toothed block 37 is fixedly connected to the lower end surface of each sliding plate 36, a third fixing block 39 which is fixedly connected to the upper end surface of the bottom plate 10 is arranged on the lower side of each first toothed block 37, a second fixed shaft 40 is fixedly connected to the front end surface of the third fixed block 39, a first gear 41 is rotatably connected to the second fixed shaft 40, the first gear 41 is engaged with the first toothed block 37, a connecting rod 42 is fixedly connected to the lower end surface of the first gear 41, a swinging block 43 is fixedly connected to the lower end surface of the connecting rod 42, the swinging block 43 rotates to drive the connecting rod 42 to rotate, the connecting rod 42 drives the first gear 41 to rotate, the first gear 41 drives the first toothed block 37 to move, and the first toothed block 37 drives the sliding plate 36 to move;
the upper side of the bottom plate 10 is provided with a fixing mechanism 91, the fixing mechanism 91 comprises two first limiting blocks 58 which are fixedly connected to the lower end surface of the placing plate 34 and are symmetrically distributed by taking the first toothed block 37 as a symmetric center, a first limiting cavity 57 is arranged inside the first limiting block 58, a first motor 63 is fixedly connected to the inner wall of the lower side of the first limiting cavity 57, the upper end surface of the first motor 63 is rotatably connected with a first driving shaft 64, a first bevel gear 65 is fixedly connected to the first driving shaft 64, a fourth fixing block 61 is fixedly connected to the inner wall of the upper side of the first limiting cavity 57, a first screw 59 is rotatably connected to the fourth fixing block 61, a second bevel gear 62 is fixedly connected to the first screw 59, the second bevel gear 62 is engaged with the first bevel gear 65, two first sliding blocks 60 which are symmetrically distributed by taking the second bevel gear 62 as a symmetric center are in threaded connection with the first screw 59, the first slider 60 is slidably connected with the first limiting cavity 57, a second limiting block 67 is fixedly connected to the outer end surface of the first slider 60, a second limiting cavity 68 is arranged inside the second limiting block 67, a second motor 69 is fixedly connected to the inner wall of the second limiting cavity 68 close to the second bevel gear 62, a second driving shaft 70 is fixedly connected to the end surface of the second motor 69 close to the first toothed block 37, a second gear 71 is fixedly connected to the second driving shaft 70, a second slider 73 slidably connected with the second limiting cavity 68 is arranged inside the second limiting cavity 68, a second toothed block 72 is fixedly connected to the end surface of the second slider 73 close to the second bevel gear 62, the second toothed block 72 is engaged with the second gear 71, a fifth fixing block 74 is fixedly connected to the upper end surface of the second slider 73, and the first motor 63 is started, the first driving shaft 64 is driven to rotate, the first driving shaft 64 drives the first bevel gear 65 to rotate, the first bevel gear 65 drives the second bevel gear 62 to rotate, the second bevel gear 62 drives the first screw rod 59 to rotate, the first screw rod 59 drives the first slider 60 to move, the first slider 60 drives the second limiting block 67 to move, the second limiting block 67 drives the second motor 69 to move, the second motor 69 is started to drive the second driving shaft 70 to rotate, the second driving shaft 70 drives the second gear 71 to rotate, the second gear 71 drives the second toothed block 72 to move, the second toothed block 72 drives the second slider 73 to move, and the second slider 73 drives the fifth fixing block 74 to move;
the lower side of the bottom plate 10 is provided with a crossing mechanism 92, the lower end face of the crossing mechanism 92 is fixedly connected with three third limiting blocks 44 which are horizontally distributed, the upper end face of each third limiting block 44 is fixedly connected with a first iron block 47, a third limiting cavity 45 is arranged inside each third limiting block 44, the inner wall of the upper side of each third limiting cavity 45 is fixedly connected with a first electromagnet 46, the lower end face of each first electromagnet 46 is fixedly connected with a first spring 49, the other end of each first spring 49 is fixedly connected with a second iron block 50, each second iron block 50 is slidably connected with the corresponding third limiting cavity 45, the lower end face of each second iron block 50 is fixedly connected with a supporting rod 51, each supporting rod 51 is fixedly connected with a third fixing shaft 52, the third fixing shaft 52 is rotatably connected with two driving wheels 53 which take the supporting rod 51 as a symmetric center, the first electromagnets 46 are electrified, attract second iron plate 50, second iron plate 50 drives bracing piece 51 removes, bracing piece 51 drives third fixed axle 52 removes, third fixed axle 52 drives drive wheel 53 removes.
Beneficially, a bottom plate cavity 11 is arranged inside the bottom plate 10, a third motor 12 is fixedly connected to the inner wall of the right side of the bottom plate cavity 11, a second lead screw 13 is rotatably connected to the left end surface of the third motor 12, a third slider 14 is connected to the second lead screw 13 in a threaded manner, the third slider 14 is slidably connected to the bottom plate cavity 11, a third iron block 15 is fixedly connected to the lower end surface of the third slider 14, a first power supply 54 is fixedly connected to the lower end surface of the bottom plate 10, the first power supply 54 is electrically connected to the leftmost first electromagnet 46 through a first electric wire 55, one end of the first electric wire 55 is connected to the third iron block 15, the other end of the first electric wire 55 is connected to the leftmost iron block 47, the first power supply 54 is electrically connected to the middle first electromagnet 46 through a second electric wire 48, one end of the second electric wire 48 is connected to the third iron block 15, the other end of the second electric wire 48 is connected to the middle first iron block 47, the first power supply 54 is electrically connected to the rightmost first electromagnet 46 through a third electric wire 56, one end of the third electric wire 56 is connected to the third iron block 15, and the other end of the third electric wire 56 is connected to the rightmost first iron block 47.
Advantageously, a distance sensor 66 is fixedly connected to the left end face of the supporting rod 51, and a pushing block 16 is fixedly connected to the upper end face of the bottom plate 10.
Beneficially, two fourth limiting blocks 25 with a third fixed block 39 as a symmetry center are fixedly connected to the upper end surface of the bottom plate 10, a fourth limiting cavity 26 is arranged inside the fourth limiting block 25, a second spring 27 is fixedly connected to the lower end surface of the fourth limiting cavity 26, a fourth iron block 28 is fixedly connected to the other end of the second spring 27, the fourth iron block 28 is slidably connected to the fourth limiting cavity 26, a limiting rod 29 is fixedly connected to the upper end surface of the fourth iron block 28, a sliding shaft 30 is fixedly connected to the front end surface of the limiting rod 29, the sliding shaft 30 is slidably connected to the sliding groove 38, and a resistor 99 is fixedly connected to the inner wall of the fourth limiting cavity 26 on the side far away from the third fixed block 39.
Beneficially, the upper end surface of the bottom plate 10 is fixedly connected with two fifth limiting blocks 17 which are symmetrically distributed and take the third fixing block 39 as a symmetric center, a fifth limiting cavity 18 is arranged inside the fifth limiting block 17, a second electromagnet 19 is fixedly connected to the inner wall of the lower side of the fifth limiting cavity 18, a third spring 20 is fixedly connected to the upper end surface of the second electromagnet 19, the other end of the third spring 20 is fixedly connected with a third iron block 21, the third iron block 21 is slidably connected with the fifth limiting cavity 18, a fixing rod 22 is fixedly connected to the upper end surface of the third iron block 21, a fourth fixing shaft 23 is fixedly connected to the front end surface of the fixing rod 22, and a supporting wheel 24 is rotatably connected to the upper end surface of the fourth fixing shaft 23.
Advantageously, two second power supplies 98 symmetrically distributed and centered on the third fixed block 39 are fixedly connected to the upper end surface of the bottom plate 10, the second power supplies 98 are electrically connected to the second electromagnet 19 through a fourth electric wire 97, one end of the fourth electric wire 97 is connected to the resistor 99, and the other end of the first fixed block 31 is connected to the fourth iron block 28.
In the initial state, the left and right first springs 49, the second spring 27, and the third spring 20 are in the normal state, and the middle first spring 49 is in the compressed state.
When the cart starts to work, the articles to be transported are placed on the upper end surface of the placing plate 34, the first motor 63 is started to drive the first driving shaft 64 to rotate, the first driving shaft 64 drives the first bevel gear 65 to rotate, the first bevel gear 65 drives the second bevel gear 62 to rotate, the second bevel gear 62 drives the first screw 59 to rotate, the first screw 59 drives the first slider 60 to move, the first slider 60 drives the second limiting block 67 to move, the second limiting block 67 drives the second motor 69 to move, the second motor 69 is started to drive the second driving shaft 70 to rotate, the second driving shaft 70 drives the second gear 71 to rotate, the second gear 71 drives the second toothed block 72 to move, the second toothed block 72 drives the second slider 73 to move, the second slider 73 drives the fifth fixing block 74 to move, the articles to be transported are fixed, the pushing block 16 is manually pushed to enable the cart to move forwards, and when an obstacle appears in the front direction, the distance sensor 66 at the leftmost side is triggered, the third motor 12 is started to drive the second screw rod 13 to rotate, the second screw rod 13 drives the third slide block 14 to move, the third slide block 14 drives the third iron block 15 to move, the third iron block 15 is in contact with the first iron block 47 at the leftmost side, the circuit is switched on, the first electromagnet 46 at the leftmost side is electrified, the first electromagnet 46 at the leftmost side attracts the second iron block 50, the second iron block 50 drives the supporting rod 51 to move upwards, the supporting rod 51 drives the third fixed shaft 52 to move upwards, the third fixed shaft 52 drives the driving wheel 53 to move upwards, the first electromagnet 46 at the middle is powered off, the driving wheel 53 moves downwards, when an obstacle moves to the front side of the driving wheel 53 at the middle, the distance sensor 66 at the middle is triggered, the third motor 12 is started, the third iron block 15 moves to the upper part of the first iron block 47 at the middle, the first electromagnet 46 at the left side, when the obstacle moves to the front of the right driving wheel 53, the right distance sensor 66 is triggered, the third motor 12 is started, the third iron block 15 moves to the upper part of the right first iron block 47, the middle first electromagnet 46 is powered off, the middle driving wheel 53 descends, the right first electromagnet 46 is powered on, and the right driving wheel 53 ascends to pass over the obstacle.
When going up and down a slope, the swinging block 43 rotates to drive the connecting rod 42 to rotate, the connecting rod 42 drives the first gear 41 to rotate, the first gear 41 drives the first toothed block 37 to move, the first toothed block 37 drives the sliding plate 36 to move, the sliding plate 36 drives the sliding chute 38 to move, the sliding chute 38 drives the sliding shaft 30 to move, the sliding shaft 30 drives the limiting rod 29 to move, the limiting rod 29 drives the fourth iron block 28 to move, so that the resistance of the resistor 99 access circuit is changed, the magnetic force of the second electromagnet 19 is changed along with the change, the supporting wheel 24 is controlled to ascend and descend, and the placing plate 34 is ensured to be horizontal.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an engineering shallow convenient to cross obstacle, includes the bottom plate, its characterized in that: the automatic lifting device comprises a bottom plate, wherein a horizontal mechanism is arranged on the upper side of the bottom plate, the horizontal mechanism comprises two first fixed blocks which are fixedly connected with the upper end surface of the bottom plate and are symmetrically distributed, a first fixed shaft is fixedly connected with the inward end surface of the first fixed block, a second fixed block is rotatably connected with the first fixed shaft, a placing plate is fixedly connected with the upper end surface of the second fixed block, a placing cavity is arranged in the placing plate, a sliding plate which is slidably connected with the placing plate is arranged in the placing cavity, two sliding grooves which are symmetrically distributed are arranged in the sliding plate, a first toothed block is fixedly connected with the lower end surface of the sliding plate, a third fixed block which is fixedly connected with the upper end surface of the bottom plate is arranged at the lower side of the first toothed block, a second fixed shaft is fixedly connected with the front end surface of the third fixed block, the first gear is meshed with the first toothed block, the lower end face of the first gear is fixedly connected with a connecting rod, and the lower end face of the connecting rod is fixedly connected with a swinging block;
the upper side of the bottom plate is provided with a fixing mechanism, the fixing mechanism comprises two first limiting blocks which are fixedly connected to the lower end surface of the placing plate and are symmetrically distributed by taking the first toothed blocks as the symmetric center, a first limiting cavity is arranged in the first limiting blocks, a first motor is fixedly connected to the inner wall of the lower side of the first limiting cavity, the upper end surface of the first motor is rotatably connected with a first driving shaft, a first bevel gear is fixedly connected to the first driving shaft, a fourth fixing block is fixedly connected to the inner wall of the upper side of the first limiting cavity, a first screw rod is rotatably connected to the fourth fixing block, a second bevel gear is fixedly connected to the first screw rod and is meshed with the first bevel gear, and the first screw rod is in threaded connection with two first sliding blocks which are symmetrically distributed by taking the second bevel gear as the symmetric center, the first sliding block is connected with the first limiting cavity in a sliding mode, a second limiting block is fixedly connected to the outer end face of the first sliding block, a second limiting cavity is arranged inside the second limiting block, a second motor is fixedly connected to the inner wall, close to the second bevel gear, of the second limiting cavity, a second driving shaft is fixedly connected to the end face, close to the first toothed block, of the second motor, a second gear is fixedly connected to the second driving shaft, a second sliding block which is connected with the second limiting cavity in a sliding mode is arranged inside the second limiting cavity, a second toothed block is fixedly connected to the end face, close to the second bevel gear, of the second sliding block, the second toothed block is meshed with the second gear, and a fifth fixing block is fixedly connected to the upper end face of the second sliding block;
the bottom plate downside is equipped with and turns over the mechanism, turn over the three third restriction piece that is horizontal distribution of mechanism lower end face fixedly connected with, the first iron plate of third restriction piece up end fixedly connected with, the inside third restriction chamber that is equipped with of third restriction piece, the first electro-magnet of third restriction chamber upside inner wall fixedly connected with, the first spring of end face fixedly connected with under the first electro-magnet, first spring other end fixedly connected with second iron plate, the second iron plate with third restriction chamber sliding connection, end face fixedly connected with bracing piece under the second iron plate, fixedly connected with third fixed axle on the bracing piece, rotate on the third fixed axle be connected with two with the bracing piece is the drive wheel at symmetric center.
2. The engineering cart for facilitating the crossing of obstacles according to claim 1, wherein: the bottom plate is internally provided with a bottom plate cavity, the inner wall of the right side of the bottom plate cavity is fixedly connected with a third motor, the left end face of the third motor is rotatably connected with a second lead screw, the second lead screw is in threaded connection with a third slider, the third slider is in sliding connection with the bottom plate cavity, the lower end face of the third slider is fixedly connected with a third iron block, the lower end face of the bottom plate is fixedly connected with a first power supply, the first power supply is electrically connected with the leftmost first electromagnet through a first electric wire, one end of the first electric wire is connected with the third iron block, the other end of the first electric wire is connected with the leftmost first iron block, the first power supply is electrically connected with the middle first electromagnet through a second electric wire, one end of the second electric wire is connected with the third iron block, the other end of the second electric wire is connected with the middle first iron block, the first power supply is electrically connected with the rightmost first electromagnet through a third electric wire, one end of the third wire is connected with the third iron block, and the other end of the third wire is connected with the rightmost first iron block.
3. The engineering cart for facilitating the crossing of obstacles according to claim 1, wherein: the utility model discloses a bracing piece, including bottom plate, bracing piece, bottom plate, bottom.
4. The engineering cart for facilitating the crossing of obstacles according to claim 1, wherein: the bottom plate up end fixedly connected with uses the third fixed block as the fourth restriction piece of center of symmetry two, the inside fourth restriction chamber that is equipped with of fourth restriction piece, terminal surface fixedly connected with second spring under the fourth restriction chamber, second spring other end fixedly connected with fourth iron plate, the fourth iron plate with fourth restriction chamber sliding connection, fourth iron plate up end fixedly connected with restriction pole, terminal surface fixedly connected with sliding shaft before the restriction pole, the sliding shaft with spout sliding connection, fourth restriction chamber is kept away from third fixed block side inner wall fixedly connected with resistor.
5. The engineering cart for facilitating the crossing of obstacles according to claim 1, wherein: the bottom plate up end fixedly connected with uses two third fixed blocks as the fifth restriction piece that is the symmetric distribution of center of symmetry, the inside fifth restriction chamber that is equipped with of fifth restriction piece, fifth restriction chamber downside inner wall fixedly connected with second electro-magnet, second electro-magnet up end fixedly connected with third spring, third spring other end fixedly connected with third iron plate, the third iron plate with fifth restriction chamber sliding connection, third iron plate up end fixedly connected with dead lever, terminal surface fixedly connected with fourth fixed axle before the dead lever, fourth fixed axle up end rotates and is connected with the supporting wheel.
6. The engineering cart for facilitating the crossing of obstacles according to claim 1, wherein: the bottom plate up end fixedly connected with uses the third fixed block as the symmetric distribution's that is two second power, the second power with the second electromagnetism iron is connected through the fourth electric wire electricity, fourth electric wire one end is connected the resistor, the first fixed block other end is connected the fourth iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110054936.2A CN112623003A (en) | 2021-01-15 | 2021-01-15 | Engineering trolley convenient for crossing obstacles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110054936.2A CN112623003A (en) | 2021-01-15 | 2021-01-15 | Engineering trolley convenient for crossing obstacles |
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| CN112623003A true CN112623003A (en) | 2021-04-09 |
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| CN202110054936.2A Withdrawn CN112623003A (en) | 2021-01-15 | 2021-01-15 | Engineering trolley convenient for crossing obstacles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696945A (en) * | 2021-08-11 | 2021-11-26 | 中船澄西船舶修造有限公司 | Marine threshold transfer car (buggy) of crossing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696945A (en) * | 2021-08-11 | 2021-11-26 | 中船澄西船舶修造有限公司 | Marine threshold transfer car (buggy) of crossing |
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Application publication date: 20210409 |