CN116835441A - Trolley and cart for lifting battery pack - Google Patents

Trolley and cart for lifting battery pack Download PDF

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Publication number
CN116835441A
CN116835441A CN202310756785.4A CN202310756785A CN116835441A CN 116835441 A CN116835441 A CN 116835441A CN 202310756785 A CN202310756785 A CN 202310756785A CN 116835441 A CN116835441 A CN 116835441A
Authority
CN
China
Prior art keywords
axis
trolley
steel wire
winding drum
shaped frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310756785.4A
Other languages
Chinese (zh)
Inventor
刘志文
陈�峰
唐瑞瑞
杨军甫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Lvdianwan Energy Technology Co ltd
Original Assignee
Eurocrane China Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eurocrane China Co ltd filed Critical Eurocrane China Co ltd
Priority to CN202310756785.4A priority Critical patent/CN116835441A/en
Publication of CN116835441A publication Critical patent/CN116835441A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B66C11/04—Underhung trolleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00—Base supporting structures with legs
    • B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)

Abstract

The application relates to a trolley and a cart for lifting a battery pack, comprising: a frame disposed parallel to the horizontal plane; the power mechanism is arranged in the frame, and the axis of an output shaft of the power mechanism is arranged along the X axis; the winding drum is arranged in the frame, the axis of the winding drum is arranged along a Z axis, and the Z axis is vertical to the horizontal plane; four mounting grooves are formed in the outer wall of the winding drum along the Z axis, and steel wire ropes are respectively wound in the four mounting grooves; the four guide mechanisms are arranged in the frame and around the winding drum, the guide mechanisms are arranged in one-to-one correspondence with the steel wire ropes, the free ends of the steel wire ropes hang down along the Z axis after bypassing the guide mechanisms, and the free ends of the four steel wire ropes are positioned at the same height; the transmission mechanism is used for connecting the power mechanism and the winding drum. The application greatly compresses the internal space of the trolley under the condition that the hanging points are always in the same horizontal plane, and the whole trolley has compact structure, smaller size and no space redundancy; the weight of the trolley is relatively reduced, the requirement on structural strength and rigidity of the trolley is reduced, and the cost is reduced.

Description

Trolley and cart for lifting battery pack
Technical Field
The application relates to the technical field of battery pack hoisting, in particular to a trolley and a cart for hoisting a battery pack.
Background
In the automobile industry, new energy automobiles have advanced and developed, wherein most types of new energy automobiles need external charging. The new energy vehicle especially relates to a heavy truck power exchange station project, an outdoor workstation or a movable power exchange station, and the requirements can be met for outdoor environment requirements, and the light load and the simple and light structure are realized. In the construction process of the power exchange station, the battery pack is required to be hoisted, the hoisting capacity of equipment used in some power exchange stations is 3.5t, and the hoisting height is 1m. And in the lifting process, the battery pack needs to be ensured to keep a horizontal state and not to incline.
The arrangement mode of the crane winch trolley in the traditional industry is planar arrangement, and the crane winch trolley comprises a motor, a winding drum reducer and a winding drum; the axis of the motor is parallel to the axis of the drum speed reducer, and the output rotating speed and torque of the motor are transmitted to the drum through the speed reducer (multi-stage gear speed reducer), so that the steel wire rope wound on the drum is driven to be hoisted. The trolley has the defects of excessively bulkier structure, complex structure, limited optimization space (not suitable for hoisting in a narrow space) and high requirements on structural strength and rigidity of the trolley due to large weight of the trolley.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to solve the problems that the structure of the trolley is too bulky and is not suitable for hoisting in a narrow space, and the weight of the trolley is large and the requirement on the structural strength and rigidity of the trolley is high in the prior art.
To solve the above technical problems, in one aspect, the present application provides a trolley for lifting a battery pack, including:
a frame arranged parallel to a horizontal plane, the horizontal plane being formed by intersecting X-axis and Y-axis; the power mechanism is arranged in the frame, and the axis of an output shaft of the power mechanism is arranged along the X axis;
the winding drum is arranged in the frame, the axis of the winding drum is arranged along a Z axis, and the Z axis is vertical to the horizontal plane; four mounting grooves are formed in the outer wall of the winding drum along the Z axis, and steel wire ropes are respectively wound in the four mounting grooves;
the four guide mechanisms are arranged in the frame and around the winding drum, the guide mechanisms are arranged in one-to-one correspondence with the steel wire ropes, the free ends of the steel wire ropes hang down along the Z axis after bypassing the guide mechanisms, and the free ends of the four steel wire ropes are positioned at the same height;
and the transmission mechanism is connected in the frame and is used for connecting the power mechanism and the winding drum.
In one embodiment of the application, the transmission mechanism comprises a pinion and a gearwheel, the pinion being arranged coaxially with and connected to the output shaft of the power mechanism, the pinion and the gearwheel being meshed, the gearwheel being arranged parallel to the horizontal plane, the gearwheel being arranged coaxially with and connected to the reel.
In one embodiment of the application, the pinion is a bevel gear, teeth are arranged on the edge of the upper surface of the large gear, the bevel gear is meshed with the teeth, and the winding drum is connected to the upper surface of the large gear.
In one embodiment of the application, the guide mechanism comprises a guide wheel and a fixed pulley with axes perpendicular to each other;
the steel wire rope from the winding drum is wound on the guide wheel and then wound on the fixed pulley; the steel wire ropes coming out of the winding drum, coming in and out of the guide wheel and coming in the fixed pulley are all parallel to the horizontal plane, and the steel wire ropes coming out of the fixed pulley are parallel to the Z axis.
In one embodiment of the application, the axis of the guide wheel is parallel to the Z axis, and the axis of the fixed pulley is parallel to the Y axis;
the guide wheel is provided with a guide groove, and the steel wire rope is wound in the guide groove; the fixed pulley is provided with a pulley groove, and the steel wire rope is wound in the pulley groove;
wherein, the four guide mechanisms are arranged in a staggered way from bottom to top; in the guiding mechanism and the wire rope which are in one-to-one correspondence, the tops of the guiding groove, the mounting groove and the pulley groove are positioned on the same horizontal plane.
In another aspect, the application provides a cart for lifting a battery pack, comprising:
two mutually connected door-shaped frames;
the C-shaped frame body stretches across the two door-shaped frames and is connected with the door-shaped frames in a sliding manner, and the C-shaped frame body moves in the Y direction relative to the door-shaped frames;
the telescopic arm is positioned in the C-shaped frame body and is in sliding connection with the C-shaped frame body, and the telescopic arm moves in the X direction relative to the C-shaped frame body;
the trolley in the previous embodiment is located in the telescopic arm and is slidably connected to the telescopic arm, and the trolley moves in the X direction relative to the telescopic arm.
In one embodiment of the application, the C-shaped frame body is in sliding connection with the door-shaped frame through a first sliding connecting piece, the telescopic arm is in sliding connection with the C-shaped frame body through a second sliding connecting piece, and the trolley is in sliding connection with the telescopic arm through a third sliding connecting piece; the first sliding connecting piece, the second sliding connecting piece and the third sliding connecting piece have the same structure; the first sliding connecting piece comprises a power part and a transmission part, wherein the power part is connected with one end of the transmission part, and the other end of the transmission part is connected with the C-shaped frame body.
In one embodiment of the application, the transmission part comprises a driving sprocket, a driven sprocket, a driving shaft and a chain, wherein the chain is sleeved on the driving sprocket and the driven sprocket, two ends of the chain are connected with two ends of the C-shaped frame body, the driving sprocket and the driven sprocket are respectively connected with two ends of the driving shaft, and the driving shaft is connected with the power part.
In one embodiment of the application, the number of the first sliding connectors is two, and the two first sliding connectors are respectively arranged on the two door-shaped frames.
In one embodiment of the application, the transmission part further comprises a plurality of pulleys, and the pulleys are rotatably connected to the outer wall of the C-shaped frame body; the inner side of the door-shaped frame is provided with a sliding groove extending along the Y direction, and the pulley and the sliding groove form a moving pair.
Compared with the prior art, the technical scheme of the application has the following advantages:
the trolley for hoisting the battery pack is provided with the power mechanism, the transmission mechanism and the winding drum, the axis of the winding drum is arranged along the Z axis, and the axis of the output shaft of the power mechanism is arranged along the X axis, so that the axis of the power mechanism and the axis of the winding drum are not in the same direction, the internal space of the trolley can be greatly compressed, the whole trolley is compact in structure, small in size and free of space redundancy, and the weight of the trolley is relatively reduced, thereby reducing the requirement on structural strength and rigidity of the trolley and reducing the cost. And, the outer wall of reel is equipped with four mounting grooves along the Z axle, has twined wire rope in the mounting groove respectively, and wire rope's free end is hung down along the Z axle after bypassing guiding mechanism, and four wire ropes twine like this on a reel, and at hoist rise with the in-process that descends, four hoisting points are in under the same speed all the time, do not have the condition that the speed is different, guarantee that the hoisting point is in same horizontal plane all the time to guarantee the stability of lifting by crane. Therefore, the application greatly compresses the internal space of the trolley under the condition that the hanging points are always in the same horizontal plane, the whole trolley has compact structure, smaller size and no space redundancy, and the weight of the trolley is relatively reduced, thereby reducing the requirement on the structural strength and rigidity of the trolley and lowering the cost.
Drawings
In order that the application may be more readily understood, a more particular description of the application will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of a trolley for battery pack lifting in a preferred embodiment of the present application;
FIG. 2 is a top view of the cart for lifting a battery shown in FIG. 1;
FIG. 3 is a front view of a cart for lifting a battery pack shown in FIG. 1;
FIG. 4 is a schematic view of a cart for lifting a battery pack according to a preferred embodiment of the present application;
fig. 5 is a three-dimensional schematic view of another view of the cart for battery lifting shown in fig. 4.
Description of the specification reference numerals: 100. a frame;
200. a power mechanism; 210. a motor; 220. a speed reducer;
300. a reel; 310. a wire rope; 320. a lifting hook; 330. a lifting appliance;
400. a guide mechanism; 410. a guide wheel; 420. a fixed pulley;
500. a transmission mechanism; 510. a pinion gear; 520. a large gear;
600. a door-shaped frame;
700. a C-shaped frame;
800. a telescoping arm;
900. a first sliding connection; 910. a drive sprocket; 920. a driven sprocket; 930. a drive shaft; 940. a chain; 950. a power section; 960. a pulley;
1000. a second sliding connection;
1100. and a third sliding connection.
Detailed Description
The application will be further described in connection with the accompanying drawings and specific examples which are set forth so that those skilled in the art will better understand the application and will be able to practice it, but the examples are not intended to be limiting of the application.
Referring to fig. 1 to 5, in one aspect, the application provides a trolley for lifting a battery pack, comprising:
a frame 100 disposed parallel to a horizontal plane, the horizontal plane being formed by intersecting X-and Y-axes; for example, the X-axis and Y-axis are perpendicular;
a power mechanism 200 provided in the frame 100, an axis of an output shaft of the power mechanism 200 being provided along the X-axis;
the winding drum 300 is arranged in the frame 100, and the axis of the winding drum 300 is arranged along the Z axis which is vertical to the horizontal plane; four mounting grooves are formed in the outer wall of the winding drum 300 along the Z axis, and steel wire ropes 310 are respectively wound in the four mounting grooves; the end of the wire rope 310 is secured inside the drum 300 by a rope clip by trimming an opening in the drum 300.
The four guide mechanisms 400 are arranged in the frame 100 and around the winding drum 300, the guide mechanisms 400 are arranged in one-to-one correspondence with the steel wire ropes 310, the free ends of the steel wire ropes 310 hang down along the Z axis after bypassing the guide mechanisms 400, the free ends of the four steel wire ropes 310 are provided with lifting hooks 320, and the bottom ends of the four lifting hooks 320 are positioned at the same height;
a transmission mechanism 500 is connected in the frame 100, the transmission mechanism 500 being used to connect the power mechanism 200 and the spool 300.
It should be noted that, the present application outputs the rotation speed and the torque through the power mechanism 200, and transmits the rotation speed and the torque to the spool 300 through the transmission mechanism 500, so as to drive the spool 300 to realize the rotation motion. The wire rope 310 connected to the guide 400 is tangent to the drum 300 (i.e. the free end of the wire rope 310 is tangent to the drum 300 when coming out of the drum 300), and then is coming out via the guide 400 (when the wire rope 310 is in a sagged state), the free end of the wire rope 310 is connected to the underlying spreader 330 by the hook 320. It can be seen that the present application rotates the drum 300 by the power mechanism 200, and pulls the wire rope 310 to lift the hanger 330.
Specifically, the application is provided with the power mechanism 200, the transmission mechanism 500 and the winding drum 300, and the axis of the winding drum 300 is arranged along the Z axis, and the axis of the output shaft of the power mechanism 200 is arranged along the X axis, so that the axis of the power machine and the axis of the winding drum 300 are not in one direction, the internal space of the trolley can be greatly compressed, the whole trolley has compact structure, smaller size and no space redundancy, and the weight of the trolley is relatively reduced, thereby reducing the requirement on the structural strength and rigidity of the trolley and lowering the cost. And, the outer wall of reel 300 is equipped with four mounting grooves along the Z axle, has twined wire rope 310 respectively in the mounting groove, and wire rope 310's free end is walked around guiding mechanism 400 and is followed the Z axle and hang down, and four wire rope 310 twine like this on a reel 300, and at hoist 330 rise and the in-process that descends, four hoisting points are in under the same speed all the time, do not have the condition that the speed is different, guarantee that the hoisting point is in same horizontal plane all the time to guarantee the stability of lifting by crane. Therefore, the application greatly compresses the internal space of the trolley under the condition that the hanging points are always in the same horizontal plane, the whole trolley has compact structure, smaller size and no space redundancy, and the weight of the trolley is relatively reduced, thereby reducing the requirement on the structural strength and rigidity of the trolley and lowering the cost.
Further, the transmission mechanism 500 includes a pinion 510 and a large gear 520, the pinion 510 is coaxially disposed and connected with the output shaft of the power mechanism 200, the pinion 510 and the large gear 520 are engaged, the large gear 520 is disposed parallel to the horizontal plane, and the large gear 520 is coaxially disposed and connected with the spool 300.
Specifically, in this embodiment, the power of the power mechanism 200 is output to the drum 300 through the pinion 510 and the large gear 520, so that power output in different directions is realized, the structure is simple, the occupied area is small, and the internal space of the trolley is further compressed.
Further, the power mechanism 200 includes a motor 210, and the motor 210 is connected to the output shaft.
Further, the power mechanism 200 further includes a speed reducer 220, and the speed reducer 220 is connected between the motor 210 and the output shaft.
Specifically, the speed reducer 220 is provided in this embodiment, so that there is only one speed reduction stage between the spool 300 and the motor 210, and the transmission efficiency is high.
Further, the pinion 510 is a bevel gear, teeth are provided on the edge of the upper surface of the large gear 520, the bevel gear is engaged with the teeth, and the spool 300 is connected to the upper surface of the large gear 520. The spool 300 rotates in synchronization with the large gear 520.
Specifically, the pinion 510 in the present embodiment is a bevel gear, which further improves the transmission reliability.
Further, the guide mechanism 400 includes a guide wheel 410 and a fixed pulley 420 with axes perpendicular to each other;
the wire rope 310 from the drum 300 is wound on the guide wheel 410 and then on the fixed pulley 420; the wire rope 310 coming out of the drum 300, going in and out of the guide wheel 410 and going in to the fixed pulley 420 are all parallel to the horizontal plane, and the wire rope 310 coming out of the fixed pulley 420 is parallel to the Z-axis.
Specifically, the guiding mechanism 400 of the present embodiment includes a guiding wheel 410 and a fixed pulley 420 with axes perpendicular to each other, the wire rope 310 coming out of the winding drum 300 is wound on the guiding wheel 410 first, then wound on the fixed pulley 420, and the wire rope 310 coming out of the winding drum 300, going in and out of the guiding wheel 410 and going in of the fixed pulley 420 are all parallel to the horizontal plane, so that the wire rope 310 naturally goes in the fixed pulley 420 from the winding drum 300 and the guiding wheel 410, and further the wire rope 310 is smooth in lifting up and down.
In some possible embodiments, when a certain wire 310 is parallel to the X-axis after exiting from the spool 300, the guiding mechanism 400 may not include the guiding wheel 410, that is, the wire 310 from the spool 300 hangs down directly past the fixed pulley 420.
Further, the axis of the guide wheel 410 is parallel to the Z-axis, and the axis of the fixed pulley 420 is parallel to the Y-axis;
the guide wheel 410 is provided with a guide groove in which the wire rope 310 is wound; the fixed pulley 420 is provided with a pulley 960 groove, and the steel wire rope 310 is wound in the pulley 960 groove;
wherein, the four guide mechanisms 400 are arranged in a staggered way from bottom to top; in the one-to-one correspondence between the guide mechanism 400 and the wire rope 310, the tops of the guide groove, the installation groove and the pulley 960 groove are positioned on the same horizontal plane.
Specifically, in this embodiment, by arranging four guide mechanisms 400 that are staggered up and down, the inlet of the guide groove in the guide wheel 410 in the guide mechanism 400 and the wire rope 310 coming out from the winding drum 300 are located on the same plane, so that the lifting is further stable and smooth.
In another aspect, the application provides a cart for lifting a battery pack, comprising:
two door-shaped frames 600 connected to each other;
the C-shaped frame 700 spans between the two door frames 600, and the C-shaped frame 700 is slidably connected to the door frames 600, and the C-shaped frame 700 moves in the Y-direction with respect to the door frames 600;
a telescopic arm 800 which is located in the C-shaped frame 700 and is slidably connected to the C-shaped frame 700, the telescopic arm 800 moving in the X-direction with respect to the C-shaped frame 700;
the trolley in the foregoing embodiment is located in the telescopic arm 800 and slidably connected to the telescopic arm 800, and moves in the X direction relative to the telescopic arm 800.
Further, the C-shaped frame 700 is slidably connected to the door-shaped frame 600 through a first sliding connector 900, the telescopic arm 800 is slidably connected to the C-shaped frame 700 through a second sliding connector 1000, and the trolley is slidably connected to the telescopic arm 800 through a third sliding connector 1100; the first sliding connector 900, the second sliding connector 1000 and the third sliding connector 1100 have the same structure; the first sliding connection 900 includes a power portion 950 (e.g., the motor 210) and a transmission portion, the power portion 950 being connected to one end of the transmission portion, the other end of the transmission portion being connected to the C-shaped frame 700. Thus, the other end of the transmission part of the second sliding link 1000 is connected to the telescopic arm 800; the other end of the transmission part of the third sliding coupler 1100 is connected with the cart.
Specifically, the present application respectively implements the movement of the C-shaped frame 700 in the Y direction relative to the gantry 600, the movement of the telescopic arm 800 in the Y direction relative to the C-shaped frame 700, and the movement of the trolley in the X direction relative to the telescopic arm 800 by the first sliding connector 900, the second sliding connector 1000, and the third sliding connector 1100, so that the truck of the present application has a first-stage movement in the X direction and a second-stage movement in the X direction, thereby implementing the movement of the trolley in a wide range, and further improving the lifting range of the trolley.
Further, the transmission part includes a driving sprocket 910, a driven sprocket 920, a driving shaft 930 and a chain 940, the chain 940 is sleeved on the driving sprocket 910 and the driven sprocket 920, two ends of the chain 940 are connected with two ends of the C-shaped frame 700, the driving sprocket 910 and the driven sprocket 920 are respectively connected with two ends of the driving shaft 930, and the driving shaft 930 is connected with the power part 950.
Specifically, the embodiment adopts the chain 940 to drive to realize movement, and the structure is stable and reliable.
Further, there are two first sliding connectors 900, and the two first sliding connectors 900 are respectively disposed on the two door frames 600. There are two second sliding connectors 1000, and two second sliding connectors 1000 are disposed at both sides of the telescopic arm 800. The number of the third sliding connectors 1100 is two, and the two third sliding connectors 1100 are arranged at two sides of the trolley.
In some possible embodiments, two first slip connectors 900 share a single power section 950. The two second sliding connectors 1000 share one power section 950. The two third sliding connectors 1100 share one power section 950.
Specifically, the number of the first sliding connectors 900 in the present embodiment is two, and the two first sliding connectors 900 make the movement smoother and more reliable. In addition, the two first sliding connectors 900 share one power portion 950, so that the two first sliding connectors 900 synchronously rotate to realize synchronous movement.
Further, the transmission part further comprises a plurality of pulleys 960, and the pulleys 960 are rotatably connected to the outer wall of the C-shaped frame 700; the inside of the door-shaped frame 600 is provided with a sliding groove extending in the Y direction, and the pulley 960 and the sliding groove form a moving pair. Similarly, the transmission part of the second sliding connector 1000 also includes a plurality of pulleys 960, the pulleys 960 are rotatably connected to the outer wall of the telescopic arm 800, the inner wall of the C-shaped frame 700 is provided with a sliding groove extending along the X direction, and the pulleys 960 and the sliding groove form a moving pair. The transmission part of the third sliding connection piece 1100 also comprises a plurality of pulleys 960, the pulleys 960 are rotatably connected to the outer wall of the trolley, the inner wall of the telescopic arm 800 is provided with a sliding groove extending along the X direction, and the pulleys 960 and the sliding groove form a moving pair.
In particular, this embodiment provides a plurality of pulleys 960 to assist in sliding relative to each other.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present application will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which are extended therefrom are still within the scope of the application.

Claims (10)

1. A dolly for lifting a battery pack, characterized in that: comprising the following steps:
a frame disposed parallel to a horizontal plane, the horizontal plane being formed by intersecting X-and Y-axes;
a power mechanism arranged in the frame, wherein the axis of an output shaft of the power mechanism is arranged along the X axis;
the winding drum is arranged in the frame, the axis of the winding drum is arranged along a Z axis, and the Z axis is perpendicular to the horizontal plane; four mounting grooves are formed in the outer wall of the winding drum along the Z axis, and steel wire ropes are respectively wound in the four mounting grooves;
the four guide mechanisms are arranged in the frame and around the winding drum, the guide mechanisms are arranged in one-to-one correspondence with the steel wire ropes, the free ends of the steel wire ropes hang down along the Z axis after bypassing the guide mechanisms, and the free ends of the four steel wire ropes are positioned at the same height;
and the transmission mechanism is connected in the frame and is used for connecting the power mechanism and the winding drum.
2. The trolley for battery pack lifting as claimed in claim 1, wherein: the transmission mechanism comprises a pinion and a large gear, the pinion is coaxially arranged and connected with an output shaft of the power mechanism, the pinion is meshed with the large gear, the large gear is parallel to the horizontal plane, and the large gear is coaxially arranged and connected with the winding drum.
3. The trolley for battery pack lifting as claimed in claim 2, wherein: the pinion is the awl tooth, the edge of gear wheel upper surface is equipped with the tooth, the awl tooth with the tooth meshing, the reel is connected gear wheel upper surface.
4. The trolley for battery pack lifting as claimed in claim 1, wherein: the guide mechanism comprises a guide wheel and a fixed pulley, wherein the axes of the guide wheel and the fixed pulley are mutually perpendicular;
the steel wire rope coming out of the winding drum is wound on the guide wheel and then wound on the fixed pulley; the steel wire ropes coming out of the winding drum, coming in and out of the guide wheel and coming in the fixed pulley are all parallel to the horizontal plane, and the steel wire ropes coming out of the fixed pulley are parallel to the Z axis.
5. The trolley for battery pack lifting as claimed in claim 4, wherein: the axis of the guide wheel is parallel to the Z axis, and the axis of the fixed pulley is parallel to the Y axis;
the guide wheel is provided with a guide groove, and the steel wire rope is wound in the guide groove; the fixed pulley is provided with a pulley groove, and the steel wire rope is wound in the pulley groove;
the four guide mechanisms are arranged in a staggered mode from bottom to top; in the guiding mechanism and the steel wire rope which are in one-to-one correspondence, the tops of the guiding groove, the mounting groove and the pulley groove are positioned on the same horizontal plane.
6. A cart for lifting a battery pack, characterized in that: comprising the following steps:
two mutually connected door-shaped frames;
the C-shaped frame body stretches across the two door-shaped frames and is connected with the door-shaped frames in a sliding mode, and the C-shaped frame body moves in the Y direction relative to the door-shaped frames;
the telescopic arm is positioned in the C-shaped frame body and is in sliding connection with the C-shaped frame body, and the telescopic arm moves in the X direction relative to the C-shaped frame body;
the trolley of claim 1, located in and slidingly coupled to the telescoping arm, the trolley moving in an X-direction relative to the telescoping arm.
7. The cart for battery lifting as recited in claim 6, wherein: the C-shaped frame body is in sliding connection with the door-shaped frame through a first sliding connecting piece, the telescopic arm is in sliding connection with the C-shaped frame body through a second sliding connecting piece, and the trolley is in sliding connection with the telescopic arm through a third sliding connecting piece; the first sliding connecting piece, the second sliding connecting piece and the third sliding connecting piece have the same structure; the first sliding connecting piece comprises a power part (such as a motor) and a transmission part, wherein the power part is connected with one end of the transmission part, and the other end of the transmission part is connected with the C-shaped frame body.
8. The cart for battery lifting as recited in claim 7, wherein: the transmission part comprises a driving sprocket, a driven sprocket, a driving shaft and a chain, wherein the driving sprocket and the driven sprocket are sleeved with the chain, two ends of the chain are connected with two ends of the C-shaped frame body, the driving sprocket and the driven sprocket are respectively connected with two ends of the driving shaft, and the driving shaft is connected with the power part.
9. The cart for battery lifting as recited in claim 8, wherein: the two first sliding connectors are respectively arranged on the two door-shaped frames.
10. The cart for battery lifting as recited in claim 9, wherein: the transmission part further comprises a plurality of pulleys, and the pulleys are rotatably connected to the outer wall of the C-shaped frame body; the inner side of the door-shaped frame is provided with a sliding groove extending along the Y direction, and the pulley and the sliding groove form a moving pair.
CN202310756785.4A 2023-06-26 2023-06-26 Trolley and cart for lifting battery pack Pending CN116835441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310756785.4A CN116835441A (en) 2023-06-26 2023-06-26 Trolley and cart for lifting battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310756785.4A CN116835441A (en) 2023-06-26 2023-06-26 Trolley and cart for lifting battery pack

Publications (1)

Publication Number Publication Date
CN116835441A true CN116835441A (en) 2023-10-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310756785.4A Pending CN116835441A (en) 2023-06-26 2023-06-26 Trolley and cart for lifting battery pack

Country Status (1)

Country Link
CN (1) CN116835441A (en)

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