Lifting carrier

Abstract

The utility model relates to a lifting carrier, belongs to the technical field of carrying equipment, and aims to solve the problems of high working intensity of personnel, high operation cost and low safety caused by manual carrying of an explosion-proof gland during an existing battery explosion-proof test. The lifting device comprises a vehicle frame, a lifting assembly and a power assembly, the vehicle frame is a movable vehicle frame, and a sliding rail is arranged on the vehicle frame in the radial direction; the lifting assembly comprises a lifting plate and a connecting hook; the lifting plate is installed on the sliding rail in a sliding mode, and the connecting hook is installed on the lifting plate and used for being connected with a product. The power assembly is installed on the frame, and the power end of the power assembly is connected with the lifting plate. The universal wheels are arranged at the bottom of the frame of the lifting carrying vehicle, so that products are carried through the wheels after heavy objects are lifted, the carrying vehicle replaces manpower to carry heavy object products, the workload of personnel is reduced, and the carrying vehicle is low in manufacturing cost and high in safety.

Description

Technical Field

[0001] The utility model relates to a lifting truck, belonging to the technical field of lifting and handling equipment. Background Art

[0002] In social production practice, situations of lifting and handling heavy objects often occur. In the case of low production volume and moderate weight of heavy objects, manual handling is often adopted. Although manual handling is flexible and does not require initial equipment investment, in the long-term production process later, there are often adverse situations such as high labor intensity of personnel, high operating costs, and inability to eliminate potential safety hazards.

[0003] In the prior art, when performing battery explosion-proof tests (but not limited to battery explosion-proof tests), first, the explosion-proof gland 15 of the test device A needs to be removed, the battery is placed in the test box A, and after completing various test preparations, the explosion-proof gland is covered, locked, and ensured to be safe before the test work can start (refer to Figure 1 ). The existing explosion-proof test device gland relocation is manually operated, and since the gland is relatively heavy, two people are required to lift it for operation. The entire operation process is laborious and there are potential safety hazards. Therefore, a lifting truck is needed to solve the problems of high labor intensity of personnel, high operating costs, and low safety when using manual handling of the explosion-proof gland during the existing battery explosion-proof test. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lifting truck to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A lifting truck includes a frame, a lifting component, and a power component. The frame is a movable frame, and it is provided with a slide rail along the radial direction; the lifting component includes a lifting plate and a connecting hook; the lifting plate is slidably installed on the slide rail, and the connecting hook is installed on the lifting plate for connecting with the product; the power component is installed on the frame, and its power end is connected to the lifting plate.

[0006] Specifically, the power component includes a power source and a driving unit; the driving unit includes a transmission chain assembly and a reduction box; the transmission chain assembly is provided with an annular transmission chain, and the transmission chain is connected to the lifting plate; the power end of the power source is connected to the power input shaft of the reduction box, and the power output shaft of the reduction box is connected to the transmission chain for driving the annular transmission chain to rotate so as to drive the lifting plate to slide along the slide rail.

[0007] Specifically, the transmission chain assembly includes a driving sprocket, a transmission chain, and several steering sprockets; two of the several steering sprockets are radially installed on the vehicle frame on the side of the slide rail, and the lifting plate is located between these two steering sprockets; the driving sprocket is connected to the power output shaft of the reduction box; the remaining steering sprockets are installed between the driving sprocket and the two radially installed steering sprockets, and an annular sprocket transmission part is enclosed between the steering sprockets and the driving sprocket; the transmission chain is sleeved on the outside of the annular sprocket transmission part to form an annular transmission chain, and both ends of the transmission chain are respectively connected to the lifting plate.

[0008] Specifically, the reduction box is a self-locking reduction box.

[0009] Specifically, the power source is any one of a hand crank, a motor, a pneumatic motor, or a hydraulic motor.

[0010] Specifically, the power end of the power source is provided with an output shaft, the output shaft is connected to the power input shaft of the reduction box, and a manual anti-rotation brake is provided on the output shaft. The manual anti-rotation brake of the present application can adopt a brake with any structure in the prior art, and by manually operating the brake, the rotation of the output shaft can be locked.

[0011] Specifically, the transmission chain assembly is further provided with a protective cover; the protective cover covers the outside of the transmission chain assembly, and a transparent observation window is provided in the middle of the protective cover for observing the movement of the lifting plate driving the product; push-pull handrails are respectively provided on the vehicle frames on both sides of the protective cover.

[0012] Specifically, an anti-falling safety belt assembly is provided on the vehicle frame at the top of the lifting plate, and one end of the safety belt provided in the anti-falling safety belt assembly is connected to the lifting plate; several universal casters are provided at the bottom of the vehicle frame.

[0013] Specifically, the number of connecting hooks is the same as the number of bracelets on the product, and the connecting hooks and the bracelets are arranged in one-to-one correspondence; the connecting hook includes a suspension chain and a hook; the hook is suspended and installed on the lifting plate through the suspension chain.

[0014] Specifically, the hook is provided with a bracelet card slot and a lock catch plate. The product is hooked to the hook by passing the bracelet through the bracelet card slot, and one end of the bracelet passing through the bracelet card slot forms an extended end; a lock catch plate installation groove plate is provided on the hook above the bracelet card slot, a limit pin is provided in the lock catch plate installation groove plate, the lock catch plate is slidably installed on the limit pin, and a short sliding groove and a long sliding groove are opened on the lock catch plate, and the short sliding groove and the long sliding groove are connected to each other; the lock catch plate is slidably installed on the short sliding groove or the long sliding groove through the limit pin, driving the plate body to move away from or insert into the extended end of the bracelet to lock or unlock the hook.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] 1. The lifting and transporting vehicle of the present application adopts a power source, a reduction box and a transmission chain assembly to drive the lifting plate to slide along the radial direction of the frame, driving the connecting hook on the lifting plate to lift the product (i.e., the explosion-proof pressure cover). At the same time, the bottom of the frame of the lifting and transporting vehicle of the present application is provided with a universal wheel to realize the transportation of the product through the wheels after lifting the heavy object, so that the heavy product can be transported by the transporting vehicle instead of manual labor, reducing the workload of personnel, and the manufacturing cost of the transporting vehicle is low and the safety is high.

[0017] 2. On the basis of the above, the reducer of the present application adopts a self-locking reducer, and the output shaft of the power source is connected to the power input shaft of the reducer, and a manual anti-rotation brake is provided on the output shaft. In addition, an anti-fall safety belt assembly is arranged on the frame to achieve self-locking of the product height when lifting heavy objects to prevent the product from suddenly falling due to misoperation. The operation is convenient and the use safety is high.

[0018] 3. Based on the above, the connecting hook of the present application adopts a hanging chain and a hook with a locking function to achieve quick connection between the connecting hook and the explosion-proof pressure cover bracelet. The locking plate on the hook adopts a long / short slide groove switching structure, which is easy to operate and can further increase the safety of use.

[0019] 4. On the basis of the above, the transmission chain assembly of the present application is provided with a protective cover to prevent the operator's body parts from accidentally entering the ring sprocket transmission part and causing damage during the lifting process. In addition, an observation window is provided on the protective cover to facilitate the operator to observe the real-time lifting and lowering of the product during the operation, which can effectively eliminate safety hazards.

[0020] 5. On the basis of the above, the push-pull handrails and the movable frame provided on the frame of the transport vehicle of the present application make it convenient for the operator to control the movement of the transport vehicle by controlling the push-pull handrails with both hands, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a battery explosion-proof testing device in the prior art;

[0022] Figure 2 A schematic structural diagram of a lifting and transporting vehicle according to an embodiment;

[0023] Figure 3 A structural side view (1) of a lifting and transporting vehicle of an embodiment;

[0024] Figure 4 A structural side view of a lifting and transporting vehicle according to an embodiment (2);

[0025] Figure 5 It is a structural rear view of the lifting and transporting vehicle of the embodiment. DETAILED DESCRIPTION

[0026] In order to make the purpose and advantages of the present utility model more clear and understandable, the present utility model will be specifically described below in conjunction with embodiments. It should be understood that the following text only describes one or several specific implementation manners of the present utility model, and does not strictly limit the scope of protection specifically claimed by the present utility model. The carrier truck of this embodiment uses a hand crank 11 as the power source. And the explosion-proof gland of this embodiment is provided with two opposite hand rings, so the number of connecting hooks adapted to this embodiment is also two.

[0027] Please refer to Figures 2 - 5 , a lifting carrier truck, including a frame 1, a lifting assembly and a power assembly. The frame is a movable frame, and it is provided with a slide rail 6 along the radial direction; the lifting assembly includes a lifting plate 5 and a connecting hook; the lifting plate 5 is slidably installed on the slide rail 6, and the connecting hook is installed on the lifting plate for connecting with the hand ring of the explosion-proof gland; the power assembly is installed on the frame, and its power end is connected to the lifting plate.

[0028] The power assembly of this embodiment includes a power source and a drive unit; the drive unit includes a transmission chain assembly and a reduction gearbox, and the reduction gearbox is a self-locking reduction gearbox 9. The transmission chain assembly is provided with an annular transmission chain, and the transmission chain is connected to the lifting plate; the power source of this embodiment is a hand crank 11, the power end of the hand crank is connected to the power input shaft of the reduction gearbox, and the power output shaft of the reduction gearbox is connected to the transmission chain, which is used to drive the annular transmission chain to rotate so as to drive the lifting plate to slide along the slide rail. Among them, the transmission chain assembly includes a driving sprocket 8, a transmission chain 4 and four steering sprockets; two of the four steering sprockets are installed on the frame on the side of the slide rail along the radial direction to form a radial steering sprocket 3, and the lifting plate is located between these two steering sprockets; the driving sprocket 8 is connected to the power output shaft of the reduction gearbox; the remaining two steering sprockets are installed between the driving sprocket 8 and the two radial steering sprockets to form a horizontal steering sprocket 7, and an annular sprocket transmission part is enclosed among the four steering sprockets and the driving sprocket; the transmission chain 4 is sleeved on the outside of the annular sprocket transmission part to form an annular transmission chain, and both ends of the transmission chain 4 are respectively connected to the lifting plate 5.

[0029] Furthermore, the power end of the hand crank 11 of this embodiment is provided with an output shaft, the output shaft is connected to the power input shaft of the self-locking reduction gearbox, and a manual anti-rotation brake 10 is provided on the output shaft.

[0030] And the transmission chain assembly of this embodiment is also provided with a protective cover 17; the protective cover covers the outside of the transmission chain assembly, and a transparent observation window 18 is provided in the middle of the protective cover for observing the lifting movement of the lifting plate driving the explosion-proof gland; push-pull handrails 19 are respectively provided on the frames on both sides of the protective cover. In addition, an anti-falling safety belt assembly 16 is provided on the frame at the top of the lifting plate of this embodiment, and one end of the safety belt provided by the anti-falling safety belt assembly is connected to the lifting plate; four universal casters 2 are provided at the bottom of the frame.

[0031] In addition, the connection hook of the present embodiment includes a suspension chain 12 and a hook 13; the hook 13 is suspended and installed on the lifting plate 5 through the suspension chain 12. The hook 13 is provided with a wristband slot 130 and a locking plate 14, and the explosion-proof pressure cover 15 is connected to the hook through a wristband 150 passing through the wristband slot 130, and the wristband 150 passes through one end of the wristband slot to form an extended end; the hook on the upper side of the wristband slot is provided with a locking plate mounting slot plate, and a limit pin 151 is provided in the locking plate mounting slot plate, and the locking plate 14 is slidably installed on the limit pin, and a short slide groove 152 and a long slide groove 153 are provided on the locking plate, and the short slide groove and the long slide groove are connected; the locking plate 14 is slidably installed in the short slide groove or the long slide groove through the limit pin, driving the plate body away from or inserted into the extended end of the wristband, and locking or unlocking the hook.

[0032] Working principle: When the lifting transport vehicle of this embodiment is in use, the operator moves the transport vehicle to the battery explosion-proof test device by pushing and pulling the handrail. Then manually release the manual anti-rotation brake, and then manually turn the hand-cranked wheel to drive the lifting plate to slide along the slide rail toward the explosion-proof test device, driving the connecting hook to slide to the position where the explosion-proof pressure cover can be hung. After the lifting plate is lowered to a suitable position, the operator manually locks the manual anti-rotation brake to lock the output shaft to avoid human error. Then the operator lifts the lock plate, slides the limit pin of the hook into the short slide groove of the lock plate, so that the plate body of the lock plate is away from the wristband slot, and the hook is in an unlocked state. Then the operator passes the wristband slot of the hook through the wristband of the explosion-proof pressure cover to complete the hook and wristband hanging, and finally slides the limit pin of the hook into the long slide groove of the lock plate, and inserts the plate body of the lock plate into the extended end of the wristband to limit the movement of the hook away from the wristband, so as to achieve the locking of the hook.

[0033] After the connection hook and explosion-proof cover are connected, the operator manually releases the manual anti-rotation brake again, then turns the hand wheel to control the lifting plate to rise, lifts the explosion-proof cover, and finally pushes the push-pull handrail to remove the explosion-proof cover. Then put the battery and test equipment in, and after the test preparation is completed, push the transporter to close the explosion-proof cover again, and then the battery explosion-proof test can be carried out.

[0034] The implementation methods of the utility model are described in detail above in conjunction with the embodiments, but the utility model is not limited to the above-mentioned implementation methods. For ordinary technicians in this technical field, after knowing the contents recorded in the utility model, they can make several equivalent changes and substitutions thereto without departing from the principle of the utility model. These equivalent changes and substitutions should also be regarded as belonging to the protection scope of the utility model.

Claims

1. A lifting transport vehicle, comprising a vehicle frame, a lifting assembly and a power assembly, characterized in that: The frame is a movable frame and is provided with a slide rail in the radial direction; the lifting assembly includes a lifting plate and a connecting hook; the lifting plate is slidably mounted on the slide rail, and the connecting hook is mounted on the lifting plate for connecting with the product; the power assembly is mounted on the frame, and its power end is connected to the lifting plate.

2. A lifting and transporting vehicle according to claim 1, characterized in that: The power assembly includes a power source and a drive unit; the drive unit includes a transmission chain assembly and a reduction gearbox; the transmission chain assembly is provided with an annular transmission chain, and the transmission chain is connected to the lifting plate; the power end of the power source is connected to the power input shaft of the reduction gearbox, and the power output shaft of the reduction gearbox is connected to the transmission chain, which is used to drive the annular transmission chain to rotate, so as to drive the lifting plate to slide along the slide rail.

3. A lifting and transporting vehicle according to claim 2, characterized in that: The transmission chain assembly includes a driving sprocket, a transmission chain and several steering sprockets; two of the several steering sprockets are radially installed on the frame on the slide rail side, and a lifting plate is located between the two steering sprockets; the driving sprocket is connected to the power output shaft of the reduction gearbox; the remaining steering sprockets are installed between the driving sprocket and the two radially installed steering sprockets, and an annular sprocket transmission part is enclosed between the steering sprocket and the driving sprocket; the transmission chain is sleeved on the outside of the annular sprocket transmission part to form the annular transmission chain, and the two ends of the transmission chain are respectively connected to the lifting plates.

4. The lifting and transporting vehicle according to claim 2, characterized in that: The reduction gear box is a self-locking reduction gear box.

5. The lifting and transporting vehicle according to claim 2, characterized in that: The power source is any one of a hand-cranked wheel, an electric motor, a pneumatic motor or a hydraulic motor.

6. The lifting and transporting vehicle according to claim 2, characterized in that: An output shaft is provided at the power end of the power source, the output shaft is connected to the power input shaft of the reduction box, and a manual anti-rotation brake is provided on the output shaft.

7. The lifting and transporting vehicle according to claim 3, characterized in that: The transmission chain assembly is also provided with a protective cover; the protective cover covers the outer side of the transmission chain assembly, and a transparent observation window is provided in the middle of the protective cover for observing the movement of the product driven by the lifting plate; push-pull handrails are respectively provided on the frames on both sides of the protective cover.

8. The lifting and transporting vehicle according to claim 1, characterized in that: An anti-falling safety belt assembly is arranged on the vehicle frame at the top of the lifting plate, and one end of the safety belt arranged in the anti-falling safety belt assembly is connected with the lifting plate; and a plurality of universal casters are arranged at the bottom of the vehicle frame.

9. The lifting and transporting vehicle according to claim 1, characterized in that: The number of the connecting hooks is the same as the number of the bracelets on the product, and the connecting hooks are arranged in a one-to-one correspondence with the bracelets; the connecting hooks include a hanging chain and a hook; the hook is suspended and installed on the lifting plate through the hanging chain.

10. The lifting and transporting vehicle according to claim 9, characterized in that: The hook is provided with a wristband slot and a locking plate, and the product is hooked with the hook by passing the wristband through the wristband slot, and one end of the wristband passes through the wristband slot to form an extended end; the hook on the upper side of the wristband slot is provided with a locking plate mounting slot plate, and a limit pin is provided in the locking plate mounting slot plate, and the locking plate is slidably installed on the limit pin, and a short slide groove and a long slide groove are opened on the locking plate, and the short slide groove and the long slide groove are connected to each other; the locking plate is slidably installed in the short slide groove or the long slide groove through the limit pin, driving the plate body to move away from or insert into the extended end of the wristband, thereby locking or unlocking the hook.

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