Novel spare tire hoisting device

Abstract

The utility model relates to the technical field of semitrailers, in particular to a novel spare tire hoisting device which comprises a telescopic hanging bracket, a locking clamp mechanism and a hoisting mechanism, one end of the telescopic hanging bracket is rotatably connected to the locking clamp mechanism, and the other end of the telescopic hanging bracket is a telescopic end. The hoisting mechanism is installed on the telescopic hanging bracket and used for hoisting a spare tire. According to the utility model, single-person operation of a customer can be realized, the spare tire hanging bracket is designed to be a telescopic hanging bracket, the size of the telescopic hanging bracket can be changed according to actual requirements, large-angle rotation can be realized, the application range is wide, a locking clamp mechanism is used, the fixing position is flexible, the spare tire hanging bracket can be moved to other positions for use, and the spare tire hanging bracket can be detachably placed, does not occupy vehicle space and is matched with various vehicle type structures.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, and in particular to a novel spare tire hoisting device, which is used to improve the convenience and practicality of spare tire hoisting and optimize and reduce the redundant structure of conventional hangers. Background Art

[0002] With the rapid development of the transportation industry, the requirements for the convenience of trailer operation during trailer transportation are getting higher and higher. Customers require that the trailer be easy to use, while the performance of the mechanism remains stable and the impact of the outside world on the performance of the mechanism is reduced.

[0003] The most commonly used spare tire hanger for rear unloading semi-trailers is the spare tire hanger. Chinese utility model patent CN2017214041966 discloses a semi-trailer front baffle spare tire hanging rack, including a hanging rack, a pulley, a manual winch and a wire rope. A hanging rack fixing seat is welded on the semi-trailer front baffle, the hanging rack is fixed on the hanging rack fixing seat, two pulleys with grooves are welded below the hanging rack, the manual winch is installed on the frame side beam, a pulley with grooves is welded between the frame side beam and the semi-trailer front baffle, the wire rope passes through three pulleys and is wound around the manual winch, and a hook is provided at the end of the wire rope. The semi-trailer front baffle spare tire hanging rack is convenient for taking and placing the semi-trailer spare tire, is simple to operate, saves effort, and avoids the safety problem of manual taking and placing causing the tire to fall off and injure people. Chinese utility model patent CN2010205023331 discloses a mid-mounted trailer spare tire rack, including left and right frame bottom beams, two fixing frames fixedly welded between the left and right frame bottom beams, a spare tire lifter fixedly installed between the two fixing frames, an opening is provided on the right frame bottom beam, a crank passes through the opening and rotates with the spare tire lifter; lifting ears are fixedly welded on the outer walls of the two fixing frames respectively; a spare tire is hoisted below the spare tire lifter through a lifting chain. The utility model has a simple structure and low cost. The spare tire is placed on the inner side of the bottom beam, and the spare tire assembly and normal use of the customer will not be affected due to insufficient space outside the bottom beam. It can be widely used in various special vehicles and has good practical value.

[0004] The spare tire hanger disclosed above and the conventional spare tire hanger cannot change size (length), are fixedly installed at a certain position of the semi-trailer, cannot be moved to other positions for use or disassembled for placement, take up space when idle, cannot match various vehicle structures, and have a small scope of use.

[0005] In order to solve the above problems, people have been seeking an ideal technical solution. Summary of the invention

[0006] The purpose of the utility model is to address the deficiencies of the prior art and thus provide a novel spare tire lifting device. The utility model can be operated by a single customer. The spare tire hanger is designed as a telescopic hanger. The size of the telescopic hanger can be changed according to actual needs. It can be rotated at a large angle and has a wide range of uses. It uses a locking clamp mechanism, has a flexible fixing position, can be moved to other positions for use, can be detached and placed, does not occupy vehicle space, and matches a variety of vehicle structure.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a new spare tire lifting device, including a telescopic hanger, a locking clamp mechanism and a lifting mechanism, one end of the telescopic hanger is rotatably connected to the locking clamp mechanism, the other end of the telescopic hanger is a telescopic end, and the lifting mechanism is installed on the telescopic hanger for lifting the spare tire.

[0008] Based on the above, the telescopic hanger includes a rotating frame and a telescopic frame. The rotating frame is a pipe structure with a cavity. One end of the rotating frame is a rotating end and is rotatably connected to the locking clamp mechanism. The other end of the rotating frame is a swinging end. The telescopic frame is matched and slidably inserted in the cavity and extends from the swinging end of the rotating frame. The telescopic frame is fixedly connected to the rotating frame by a pin positioning structure or a locking top pressing structure.

[0009] Based on the above, the locking clamp mechanism includes a C-shaped slot plate, a locking screw is threadedly installed on one side plate of the C-shaped slot plate, one end of the locking screw is located on the outside of the C-shaped slot plate and is fixedly installed with a locking rotating handle, the other end of the locking screw is located on the inside of the C-shaped slot plate, and one end of the telescopic hanger is rotatably connected to the outer side surface of the other side plate of the C-shaped slot plate.

[0010] Based on the above, the latch positioning structure includes a plurality of positioning through holes on the rotating frame, and the positioning through holes are arranged at intervals along the length direction of the rotating frame. One end of the telescopic frame inserted into the rotating frame is provided with a latch through hole corresponding to the corresponding positioning through hole, and the telescopic frame and the rotating frame are fixedly connected by bolts or latches that penetrate and connect the corresponding positioning through holes and the latch through holes.

[0011] Based on the above, the locking and pressing structure includes a pressing screw, which is threadedly mounted on a side plate of the swing end of the rotating frame, and the inner end of the pressing screw is screwed into the rotating frame and presses and locks the telescopic frame.

[0012] Based on the above, the lifting mechanism includes a two-way self-locking hand winch and a fixed pulley. The two-way self-locking hand winch is fixedly mounted on the rotating frame, the fixed pulley is rotatably mounted on the telescopic frame and is located at the extended end of the telescopic frame, a lifting rope is fixedly wound around the two-way self-locking hand winch, the other end of the lifting rope extends from the two-way self-locking hand winch and is wound around the fixed pulley, and the other end of the lifting rope is fixedly connected with a safety hook.

[0013] Based on the above, the rotating frame is a channel steel structure, and both side plates of the rotating frame are right-angled trapezoidal plates. The side edges of the two side plates of the rotating frame close to the swing end are the upper bottom, the side edges close to the rotating end are the lower bottom, and the side edges close to the open side are the oblique waist. A cross brace plate is fixedly connected between the two side plates of the rotating frame, the cavity is a square cavity, the rotating frame and the cross brace plate enclose the cavity, and the telescopic frame is a square tube structure.

[0014] The utility model has substantial characteristics and progress compared with the prior art. Specifically, the beneficial effects of the utility model are:

[0015] (1) The conventional spare tire hanger is improved into a telescopic hanger, and the size (length) of the telescopic hanger can be changed according to actual needs, thereby expanding the scope of use of the spare tire hanger and reducing the impact of external obstacles on the lifting of the spare tire;

[0016] (2) Equipped with a two-way self-locking hand winch, the operation is labor-saving and simple. At the same time, the two-way self-locking function of the two-way self-locking hand winch effectively ensures the safety of the lifting process and will not fall by itself, enabling customers to operate it by one person;

[0017] (3) The telescopic hanger can rotate at a large angle, has a wide swing range, has few usage restrictions, and can be used in a variety of spaces;

[0018] (4) The telescopic hanger is locked and fixed on the upper side beam of the vehicle body through the locking clamp mechanism. The fixing position is flexible and can be fixed on the left, right, front or rear side of the vehicle body. It can match a variety of vehicle structures and can be removed and placed in the tool box. It does not take up vehicle space and reduces the risk of interference with the tractor or other accessories.

[0019] (5) The various components of the novel spare tire lifting device are assembled and connected, with high processing efficiency, low cost, and flexible use and replacement.

[0020] In summary, the utility model can be operated by a single customer. The spare tire hanger is designed as a telescopic hanger. The size of the telescopic hanger can be changed according to actual needs. It can be rotated at a large angle and has a wide range of uses. It uses a locking clamp mechanism, has a flexible fixing position, can be moved to other positions for use, can be disassembled and placed, does not occupy vehicle space, and matches a variety of vehicle structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 yes Figure 1 Right view of .

[0023] Figure 3 It is a schematic diagram of the use state of the utility model.

[0024] Figure 4yes Figure 3 Right view of .

[0025] In the figure: 1. Spare tire; 2. Rotating frame; 3. Telescopic frame; 4. C-shaped slot plate; 5. Locking screw; 6. Locking rotating handle; 7. Rotating shaft; 8. Bearing seat; 9. Bidirectional self-locking hand winch; 10. Fixed pulley; 11. Lifting rope; 12. Safety hook; 13. Positioning through hole; 14 Cross brace plate; 15. Carriage. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0027] Example 1

[0028] like Figure 1-4 As shown, a novel spare tire lifting device includes a telescopic hanger, a locking clamp mechanism and a lifting mechanism, one end of the telescopic hanger is rotatably connected to the locking clamp mechanism, the other end of the telescopic hanger is a telescopic end, and the lifting mechanism is installed on the telescopic hanger to lift the spare tire 1.

[0029] The telescopic hanger includes a rotating frame 2 and a telescopic frame 3. The rotating frame 2 is a pipe structure with a cavity. One end of the rotating frame 2 is a rotating end and is rotatably connected to the locking clamp mechanism. The other end of the rotating frame 2 is a swinging end. The telescopic frame 3 is matched and slidably inserted in the cavity and extends from the swinging end of the rotating frame 2. The telescopic frame 3 is fixedly connected to the rotating frame 2 by a latch positioning structure or a locking top pressing structure.

[0030] The locking clamp mechanism includes a C-shaped groove plate 4, a locking screw 5 is threadedly installed on one side plate of the C-shaped groove plate 4, one end of the locking screw 5 is located on the outside of the C-shaped groove plate 4 and is fixedly installed with a locking rotating handle 6, and the other end of the locking screw 5 is located on the inside of the C-shaped groove plate 4. The rotating end of the rotating frame 2 is rotatably connected to two bearing seats 88 fixedly installed on the outer side surface of the other side plate of the C-shaped groove plate 4 through a rotating shaft 7. The two bearing seats 8 can also be two cylinders. Alternatively, the rotating shaft 7 is arranged on the outer side surface of the other side plate of the C-shaped groove plate 4, and the two bearing seats 8 or cylinders are arranged on the rotating end of the rotating frame 2.

[0031] The lifting mechanism includes a two-way self-locking hand winch 9 and a fixed pulley 10. The two-way self-locking hand winch 9 is fixedly mounted on the rotating frame 2. The fixed pulley 10 is rotatably mounted on the telescopic frame 3 and is located at the extended end of the telescopic frame 3. A lifting rope 11 is fixedly wound around the two-way self-locking hand winch 9. The other end of the lifting rope 11 extends from the two-way self-locking hand winch 9 and is wound around the fixed pulley 10. The other end of the lifting rope 11 is fixedly connected to a safety hook 12.

[0032] When the present embodiment is used, the C-shaped slot plate 4 is directly buckled on the upper side beam of the left side, right side, front side or rear side of the carriage 15, and then the locking screw 5 is tightened by locking the rotating handle 6, so that one end of the locking screw 5 is pressed against the upper side beam, and then the C-shaped slot plate 4 is fixed on the upper side beam, and the telescopic frame 3 is extended or retracted into the rotating frame 2 according to actual needs, and then the telescopic frame 3 is fixed using the latch positioning structure or the locking top pressing structure to adjust the size (length) of the telescopic hanger, and the lifting rope 11 with a safety hook is connected. One end of 12 passes through the prefabricated hole on the spare tire 1, and then the safety hook 12 is hooked on the lifting rope 11 to hang the spare tire 1, and then the two-way self-locking hand winch 9 is operated to reel in the lifting rope 11 to lift the spare tire 1, and the swing angle of the rotating frame 2 is adjusted according to actual needs, so that the spare tire 1 is fixed on the car body 15 after being lifted into place, the hook and the lifting rope 11 are removed, and the locking screw 5 is loosened, and the C-shaped groove plate 4 can be removed from the upper side beam, and the new spare tire lifting device is placed in the tool box for storage.

[0033] Example 2

[0034] like Figure 1-4 As shown, the latch positioning structure includes a plurality of positioning through holes 13 provided on the rotating frame 2, each positioning through hole 13 is arranged at intervals along the length direction of the rotating frame 2, and one end of the telescopic frame 3 inserted in the rotating frame 2 is provided with a latch through hole corresponding to the corresponding positioning through hole 13, and the telescopic frame 3 is fixedly connected to the rotating frame 2 by bolts or latches penetrating and connected in the corresponding positioning through hole 13 and the latch through hole. When the extension length of the telescopic frame 3 is to be adjusted, the bolts or latches are removed, and the telescopic frame 3 can be pulled out of the rotating frame 2 or retracted into the rotating frame 2 to adjust the extension length of the telescopic frame 3. After the adjustment is appropriate and the corresponding positioning through hole 13 corresponds to the latch through hole, the bolts or latches are penetrated and connected in the corresponding positioning through hole 13 and the latch through hole, and the telescopic frame 3 can be fixed to the rotating frame 2.

[0035] Example 3

[0036] Different from the second embodiment, the locking and pressing structure includes a pressing screw (not shown), which is threadedly mounted on a side plate of the swing end of the rotating frame 2, and the inner end of the pressing screw is screwed into the rotating frame 2 and presses and locks the telescopic frame 3. When the extension length of the telescopic frame 3 is to be adjusted, the pressing screw is loosened, and the telescopic frame 3 can be pulled out of the rotating frame 2 or retracted into the rotating frame 2 to adjust the extension length of the telescopic frame 3. After the adjustment is appropriate, the pressing screw is tightened to lock and fix the telescopic frame 3.

[0037] Example 4

[0038] like Figure 1-4As shown, the rotating frame 2 is a channel steel structure, and both side plates of the rotating frame 2 are right-angled trapezoidal plates. The side edge of the two side plates of the rotating frame 2 close to the swing end is the upper bottom, the side edge close to the rotating end is the lower bottom, and the side edge close to the open side is the oblique waist. A cross brace 14 is fixedly connected between the two side plates of the rotating frame 2. The rotating frame 2 and the cross brace 14 enclose the cavity, which is a square cavity, and the telescopic frame 3 is a square tube structure. In other embodiments, the cavity can also be a cavity with other cross-section shapes, and the telescopic frame 3 is a tube or rod adapted to the cavity.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A novel spare tire lifting device, characterized in that: The utility model comprises a telescopic hanger, a locking clamp mechanism and a lifting mechanism. One end of the telescopic hanger is rotatably connected to the locking clamp mechanism, the other end of the telescopic hanger is a telescopic end, and the lifting mechanism is installed on the telescopic hanger for lifting spare tires.

2. The novel spare tire hoisting device according to claim 1 is characterized in that: The telescopic hanger includes a rotating frame and a telescopic frame. The rotating frame is a pipe structure with a cavity. One end of the rotating frame is a rotating end and is rotatably connected to a locking clamp mechanism. The other end of the rotating frame is a swinging end. The telescopic frame is matched and slidably inserted in the cavity and extends from the swinging end of the rotating frame. The telescopic frame is fixedly connected to the rotating frame by a latch positioning structure or a locking top pressing structure.

3. The novel spare tire hoisting device according to claim 1 is characterized in that: The locking clamp mechanism includes a C-shaped slot plate, on one side of which a locking screw is threadedly installed, one end of the locking screw is located on the outside of the C-shaped slot plate and is fixedly installed with a locking rotating handle, the other end of the locking screw is located on the inside of the C-shaped slot plate, and one end of the telescopic hanger is rotatably connected to the outer side surface of the other side of the C-shaped slot plate.

4. The novel spare tire hoisting device according to claim 2 is characterized in that: The latch positioning structure includes a plurality of positioning through holes on the rotating frame, and the positioning through holes are arranged at intervals along the length direction of the rotating frame. One end of the telescopic frame inserted into the rotating frame is provided with a latch through hole corresponding to the corresponding positioning through hole. The telescopic frame and the rotating frame are fixedly connected by bolts or latches that penetrate and connect the corresponding positioning through holes and the latch through holes.

5. The novel spare tire hoisting device according to claim 2 is characterized in that: The locking and pressing structure comprises a pressing screw, which is threadedly mounted on a side plate of the swing end of the rotating frame, and the inner end of the pressing screw is screwed into the rotating frame to press and lock the telescopic frame.

6. The novel spare tire hoisting device according to claim 2 is characterized in that: The lifting mechanism includes a two-way self-locking hand winch and a fixed pulley. The two-way self-locking hand winch is fixedly installed on the rotating frame, and the fixed pulley is rotatably installed on the telescopic frame and is located at the extended end of the telescopic frame. A lifting rope is fixedly wound on the two-way self-locking hand winch, and the other end of the lifting rope extends from the two-way self-locking hand winch and is wound around the fixed pulley. The other end of the lifting rope is fixedly connected with a safety hook.

7. The novel spare tire hoisting device according to claim 2 is characterized in that: The rotating frame is a channel steel structure, and both side plates of the rotating frame are right-angled trapezoidal plates. The side edges of the two side plates of the rotating frame close to the swing end are the upper bottom, the side edges close to the rotating end are the lower bottom, and the side edges close to the open side are the oblique waist. A cross brace plate is fixedly connected between the two side plates of the rotating frame. The rotating frame and the cross brace plate enclose the cavity, which is a square cavity, and the telescopic frame is a square tube structure.

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