New vehicle-mounted hydraulic lifting equipment

Abstract

The utility model relates to the technical field of cranes, especially a new type of vehicle-mounted hydraulic lifting equipment, including a frame, a cab is provided at the left end of the frame, a slewing platform is movably installed at the right end of the frame, a connecting column is fixedly connected to the left end of the slewing platform, the upper end of the connecting column is hinged to the right end of the telescopic boom, the right end of the first hydraulic cylinder is hinged to the lower end of the connecting column, the left end of the first hydraulic cylinder is hinged to the telescopic boom, a cantilever assembly is provided at the left end of the telescopic boom, a support is fixedly connected to the top of the left end of the frame, telescopic support leg assemblies are respectively provided at the two sides of the left and right ends of the frame, a winch is fixedly connected to the right end of the slewing platform, the right end of the rope is fixedly connected to the winch, the middle section of the rope is pressed against the top of the telescopic boom, and the left end of the rope is arranged on the cantilever assembly and fixedly connected to a hook. The utility model has the following beneficial effects: the suspended component structure can be directly cantilevered to a safe position in the middle of a high platform or a roof, thereby improving the safety of hoisting; the storage space of the horizontal support leg is increased, and the supporting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a new type of vehicle-mounted hydraulic lifting equipment. Background Art

[0002] Lifting equipment is a mechanical device used to lift components or structures and move them to designated locations. It is mainly divided into tower lifting equipment, mast lifting equipment and vehicle-mounted lifting equipment, among which vehicle-mounted lifting equipment can be further divided into crawler cranes and tire cranes.

[0003] For example, a five-legged crane is disclosed in the patent document with patent publication number CN202131034U, which is provided with a fifth leg on the chassis at the tail of the crane, and the fifth leg is composed of a horizontal leg and a vertical leg cylinder. According to the prior art documents, the extension and retraction of the horizontal leg of the crane is achieved by hydraulic drive or manual push-pull handles. The hydraulic drive requires the installation of a hydraulic cylinder in the slide for assembling the horizontal leg. However, this will greatly occupy the storage space of the horizontal leg in the slide, so that the length of the horizontal leg will be greatly reduced, reducing the support effect, and thus leading to safety accidents such as unstable crane support; at the same time, although the angle of the crane arm can be adjusted by the hydraulic structure, when the arm inclination angle is large and the floor platform height is high, the arm can only lift the suspended component structure to the edge of the top surface of the floor, and cannot effectively lift it to a safe position in the middle of the roof, which will have great safety hazards.

[0004] To this end, the utility model optimizes and improves the problems of poor supporting effect and low lifting safety of crane legs in the prior art, and hereby proposes a new type of lifting equipment with high safety that can greatly increase the installation space of horizontal legs and thus improve the supporting effect, so as to better solve the problems in the prior art. Utility Model Content

[0005] The utility model is to solve one of the above technical problems, and the technical solution adopted is: a new type of vehicle-mounted hydraulic lifting equipment, including a frame, a cab is provided at the left end of the frame, a rotating platform is movably installed on the top of the right end of the frame, a connecting column is fixedly connected to the top of the left end of the rotating platform, the upper end of the connecting column is hinged to the right end of a telescopic boom, a first hydraulic cylinder is provided below the telescopic boom, the right end of the first hydraulic cylinder is hinged to the left side of the circumferential outer wall of the lower end of the connecting column, and the left end of the first hydraulic cylinder is hinged to the telescopic boom. On the bottom surface of the middle part of the first telescopic arm, a cantilever assembly for cantilevering outward is provided at the left end of the telescopic arm of the last telescopic boom, a support is fixedly connected to the top of the left end of the frame, telescopic support leg assemblies are respectively provided on both sides of the left and right ends of the frame, a winch is fixedly connected to the top of the right end of the rotating platform, and also includes a rope, the right end of the rope is fixedly connected to the winch, the middle section of the rope is pressed against the corresponding position of the top of the telescopic boom, and the left end of the rope is arranged on the cantilever assembly and fixedly connected to a hook.

[0006] In any of the above schemes, preferably, the cantilever assembly includes a first connecting rod, the right end of the first connecting rod is fixedly connected to the left end of the telescopic arm of the last section of the telescopic boom, the left end of the first connecting rod is fixedly connected to the upper end of a second connecting rod, the lower end of the second connecting rod is hinged to the left end of a cantilever rod, and also includes a second hydraulic cylinder, the upper end of the second hydraulic cylinder is hinged at a corresponding position at the bottom of the first connecting rod, the lower end of the second hydraulic cylinder is hinged at a corresponding position at the top of the cantilever rod, a first limiting groove is vertically opened at the left end of the first connecting rod, a second limiting groove is opened in the middle part of the cantilever rod along its length direction, and the corresponding positions of the middle section of the rope sequentially penetrate the first limiting groove and the second limiting groove.

[0007] In any of the above solutions, preferably, first clamping members are respectively provided on both sides of the inlet position and the outlet position of the first limiting through groove;

[0008] The first clamping member includes a first roller, and a first mounting seat is integrally formed at a corresponding position of the first connecting rod, and both ends of the central rotating shaft of the first roller are movably inserted into the rotating holes on the first mounting seat respectively;

[0009] The two first rollers at corresponding positions are pressed against two sides of the rope respectively.

[0010] In any of the above solutions, preferably, second clamping members are respectively provided on both sides of the inlet position and the outlet position of the second limiting through groove;

[0011] The second clamping member includes a second roller, and a second mounting seat is integrally formed at a corresponding position of the cantilever rod, and both ends of the central rotating shaft of the second roller are movably inserted into the rotating holes on the second mounting seat respectively;

[0012] The two second rollers at corresponding positions are pressed against two sides of the rope respectively.

[0013] In any of the above schemes, it is preferred that the telescopic support leg assembly includes a sliding assembly groove, in which a horizontal support leg is slidably installed, a third hydraulic cylinder is vertically fixed to the bottom of the outer end of the horizontal support leg, a support plate is coaxially fixed to the lower end of the third hydraulic cylinder, and a driving member is provided at a corresponding position on the bottom of the frame.

[0014] In any of the above schemes, it is preferred that the driving member includes a rack arranged along the length direction of the horizontal support leg, a through slot is opened at a corresponding position on the bottom of the frame along the length direction of the sliding assembly slot, the top of the rack is fixedly connected to the bottom of the horizontal support leg, the lower meshing teeth of the rack are arranged in the through slot, a motor is fixedly installed at the corresponding position on the bottom of the frame, a gear is coaxially fixed to the motor shaft of the motor, and the gear and the rack are meshingly connected.

[0015] In any of the above schemes, preferably, the support member includes a support frame, the lower end of the support frame is fixedly connected to the top of the left end of the frame, an abutment groove is provided on the upper part of the support frame, and abutment blocks are respectively fixedly connected at corresponding positions in the middle of two vertical inner walls of the abutment groove, and when the telescopic boom is in a retracted state, the cantilever rod is pressed against the bottom of the abutment groove, and the telescopic boom is pressed against the two abutment blocks.

[0016] In any of the above schemes, preferably, a plurality of third mounting seats are integrally formed at intervals on the top and right end surface of the first section of the telescopic boom, and a third roller is movably mounted on each of the third mounting seats through a pin, and the corresponding positions in the middle of the rope are pressed against each of the third rollers.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model fixes the cantilever rod on the end of the telescopic boom through the first connecting rod and the second connecting rod, and sets the rope on the cantilever rod, so that under the action of the second hydraulic cylinder, the hanging end of the cantilever rod can be swung toward the front of the telescopic end of the telescopic boom, so that the rope and the hook connected thereto are cantilevered to the front of the telescopic boom, and the component structure suspended on the hook is further cantilevered to the front of the telescopic boom, so that the suspended component structure can be directly hoisted to a safe position in the middle of a high platform or a roof, thereby greatly improving the safety of hoisting.

[0019] 2. The utility model installs a rack at the bottom of the horizontal support leg, and installs a motor at the bottom of the frame. The gear on the motor shaft meshes with the rack. When the motor works, the rotation of the gear can drive the rack to move, and then drive the horizontal support leg to slide horizontally in the sliding assembly groove. By arranging the structure for driving the movement of the horizontal support leg below it, it can avoid that the driving structure occupies the space in the sliding assembly groove, thereby greatly increasing the storage space of the horizontal support leg and increasing the length of the horizontal support leg, thereby improving the support effect and enhancing the stability of the equipment during hoisting.

[0020] 3. The utility model sets a support frame on the top of the frame, and opens an abutment groove on the top of the support frame, and fixes abutment blocks on the vertical inner walls on both sides of the abutment groove. By adjusting the distance between the two abutment blocks to be larger than the width of the cantilever rod and smaller than the width of the telescopic boom, the cantilever rod can be supported by the abutment groove, and the telescopic boom can be supported by the two abutment blocks, thereby ensuring the stability of the equipment structure in the non-working state. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the specific implementation of the utility model, the following will briefly introduce the drawings required for the specific implementation. In all the drawings, similar elements or components are generally identified by similar reference numerals. In the drawings, each element or component is not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a structural schematic diagram of the lifting equipment in the front view direction of the utility model.

[0023] Figure 2 It is a partial cross-sectional view of the lifting equipment in the front view direction of the utility model.

[0024] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0025] Figure 4 for Figure 2 A partial enlarged view of point B in the middle.

[0026] Figure 5 It is a partial cross-sectional view of the connection structure of the lower support member of the utility model when viewed from the side.

[0027] Figure 6 It is a cross-sectional view of the cantilever rod of the utility model when viewed from the side.

[0028] Figure 7 It is a schematic diagram of the action of the hoisting equipment in the working state of the utility model.

[0029] Figure 8It is a partial cross-sectional view of the telescopic leg assembly of the utility model when viewed from the side.

[0030] In the figure, 1, frame; 2, cab; 3, slewing platform; 4, connecting column; 5, telescopic boom; 6, first hydraulic cylinder; 7, supporting frame; 8, winch; 9, rope; 10, hook; 11, first connecting rod; 12, second connecting rod; 13, cantilever rod; 14, second hydraulic cylinder; 15, first limiting through groove; 16, second limiting through groove; 17, first roller; 18, first mounting seat; 19, second roller; 20, second mounting seat; 21, sliding assembly groove; 22, horizontal support foot; 23, third hydraulic cylinder; 24, supporting plate; 25, rack; 26, through groove; 27, motor; 28, gear; 29, abutment groove; 30, abutment block; 31, third mounting seat; 32, third roller. DETAILED DESCRIPTION

[0031] The following is a detailed description of the embodiments of the technical solution of the utility model in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the scope of protection of the utility model. Figure 1-Figure 8 as shown in .

[0032] A new vehicle-mounted hydraulic lifting device includes a frame 1, a cab 2 is provided at the left end of the frame 1, a slewing platform 3 is movably installed on the top of the right end of the frame 1, a connecting column 4 is fixedly connected to the top of the left end of the slewing platform 3, the upper end of the connecting column 4 is hinged to the right end of a telescopic boom 5, a first hydraulic cylinder 6 is provided below the telescopic boom 5, the right end of the first hydraulic cylinder 6 is hinged to the left side of the circumferential outer wall of the lower end of the connecting column 4, and the left end of the first hydraulic cylinder 6 is hinged to the bottom surface of the middle part of the first telescopic arm of the telescopic boom 5. A cantilever assembly for cantilevering outward is provided at the left end of the telescopic arm of the last section of the telescopic boom 5, a support is fixedly connected to the top of the left end of the frame 1, telescopic support leg assemblies are respectively provided on both sides of the left and right ends of the frame 1, a winch 8 is fixedly connected to the top of the right end of the rotating platform 3, and also includes a rope 9, the right end of the rope 9 is fixedly connected to the winch 8, the middle section of the rope 9 is pressed against the corresponding position on the top of the telescopic boom 5, and the left end of the rope 9 is arranged on the cantilever assembly and fixedly connected to a hook 10.

[0033] Wheels are installed on the frame 1 and the cab 2, so that the lifting equipment can be moved flexibly. Guardrails are installed on both sides of the bottom surface of the frame 1 to protect the structure at the bottom. The revolving platform 3 can rotate relative to the frame 1, thereby driving the connecting column 4 to rotate, and further driving the telescopic boom 5 to rotate. The upper end of the connecting column 4 is hingedly connected to the right end of the telescopic boom 5 through a pin shaft, and at the same time, the right end of the first hydraulic cylinder 6 is hinged to the connecting column 4, and the left end of the first hydraulic cylinder 6 is hinged to the telescopic boom 5, so that when the telescopic rod of the first hydraulic cylinder 6 is extended, the outer end of the telescopic boom 5 can be lifted upward, thereby realizing the lifting operation.

[0034] A cantilever assembly for cantilevering outward is provided at the left end of the telescopic boom 5 at the end of the telescopic boom, and the middle section of the rope 9 is pressed against the top of the telescopic boom 5. The left end of the rope 9 is arranged on the cantilever assembly and is fixedly connected with a hook 10. When the telescopic boom at the end of the telescopic boom is extended, the cantilever assembly can be driven to extend and move with it, thereby driving the hook 10 and the suspended component structure to be lifted to a specified height. At the same time, the cantilever assembly can cantilever the end vertical section of the rope 9 to a certain extent in front of the telescopic boom 5 by changing its own structural angle, thereby enabling the hook 10 and the suspended component structure to be displaced to a certain extent in front of the telescopic boom 5.

[0035] An existing winch 8 is fixedly connected to the top of the right end of the rotating platform 3 , and the winch 8 works in the form of belt transmission through its own driving motor, thereby realizing automatic winding and release of the rope 9 .

[0036] When the utility model is in working state, each telescopic support leg assembly works and presses against the ground, thereby supporting the vehicle. At the same time, the telescopic support leg assembly can greatly increase the installation space of the support leg by changing the position of the driving mechanism, thereby increasing the extension length range of the telescopic support leg, thereby improving the support effect and vehicle stability.

[0037] In any of the above schemes, it is preferred that the cantilever assembly includes a first connecting rod 11, the right end of the first connecting rod 11 is fixedly connected to the left end of the telescopic arm of the last section of the telescopic boom 5, the left end of the first connecting rod 11 is fixedly connected to the upper end of a second connecting rod 12, the lower end of the second connecting rod 12 is hinged to the left end of a cantilever rod 13, and also includes a second hydraulic cylinder 14, the upper end of the second hydraulic cylinder 14 is hinged at a corresponding position at the bottom of the first connecting rod 11, the lower end of the second hydraulic cylinder 14 is hinged at a corresponding position at the top of the cantilever rod 13, a first limiting groove 15 is vertically opened at the left end of the first connecting rod 11, and a second limiting groove 16 is opened in the middle part of the cantilever rod 13 along its length direction, and the corresponding positions of the middle section of the rope 9 sequentially penetrate the first limiting groove 15 and the second limiting groove 16.

[0038] The right end of the first connecting rod 11 is welded and fixed to the left end of the last telescopic arm of the telescopic boom 5. The first connecting rod 11 and the second connecting rod 12 are welded and fixed and perpendicular to each other. The cantilever rod 13 is hinged on the second connecting rod 12. In this way, under the action of the second hydraulic cylinder 14, the cantilever rod 13 can be driven to swing to a certain extent relative to the lower hinge point of the second connecting rod 12. The rope 9 passes through the first limit groove 15 and the second limit groove 16 in sequence, and the rope 9 can slide inside the two. When the cantilever rod 13 swings forward of the telescopic boom 5, the rope 9 can be cantilevered to the front of the telescopic boom 5, and the hook 10 and the suspended component structure thereof can be further cantilevered forward of the telescopic boom 5.

[0039] In any of the above solutions, preferably, first clamping members are respectively provided on both sides of the inlet position and the outlet position of the first limiting through slot 15;

[0040] The first clamping member includes a first roller 17, and a first mounting seat 18 is integrally formed at a corresponding position of the first connecting rod 11, and both ends of the central rotating shaft of the first roller 17 are movably inserted into the rotating holes on the first mounting seat 18;

[0041] The two first rollers 17 at corresponding positions press against two sides of the rope 9 respectively.

[0042] First mounting seats 18 are integrally formed on both sides of the entrance position of the first limiting slot 15 at the left end of the first connecting rod 11, and two first rollers 17 are movably mounted on the corresponding first mounting seats 18 through corresponding pin shafts. When the rope 9 passes through the entrance into the first limiting slot 15, the two first rollers 17 thereat are pressed against both sides of the rope 9 respectively.

[0043] First mounting seats 18 are integrally formed on both sides of the exit position of the first limiting slot 15 at the left end of the first connecting rod 11, and two first rollers 17 are movably mounted on the corresponding first mounting seats 18 through corresponding pin shafts. When the rope 9 passes through the first limiting slot 15 through the exit, the two first rollers 17 at this location are pressed against both sides of the rope 9 respectively.

[0044] In this way, the rope 9 can be shifted more smoothly under the drive of the winch 8, thereby avoiding wear between the rope 9 and the inlet and outlet of the first limiting slot 15.

[0045] In any of the above solutions, preferably, second clamping members are respectively provided on both sides of the inlet position and the outlet position of the second limiting through slot 16;

[0046] The second clamping member includes a second roller 19, and a second mounting seat 20 is integrally formed at a corresponding position of the cantilever rod 13, and both ends of the central rotating shaft of the second roller 19 are movably inserted into the rotating holes on the second mounting seat 20;

[0047] The two second rollers 19 at corresponding positions are pressed against two sides of the rope 9 respectively.

[0048] Second mounting seats 20 are integrally formed on both sides of the entrance position of the second limiting groove 16 on the cantilever rod 13, and the two second rollers 19 are movably mounted on the corresponding second mounting seats 20 through corresponding pin shafts. When the rope 9 passes through the entrance into the second limiting groove 16, the two second rollers 19 there are pressed against the two sides of the rope 9 respectively.

[0049] Second mounting seats 20 are integrally formed on both sides of the exit position of the second limiting slot 16 on the cantilever rod 13, and the two second rollers 19 are movably mounted on the corresponding second mounting seats 20 through corresponding pin shafts. When the rope 9 passes through the second limiting slot 16 through the exit, the two second rollers 19 at this location are pressed against the two sides of the rope 9 respectively.

[0050] This can further make the rope 9 move more smoothly and avoid wear between the rope 9 and the inlet and outlet of the second limiting groove 16.

[0051] In any of the above schemes, it is preferred that the telescopic support leg assembly includes a sliding assembly groove 21, in which a horizontal support leg 22 is slidably installed, a third hydraulic cylinder 23 is vertically fixed to the bottom of the outer end of the horizontal support leg 22, a support plate 24 is coaxially fixed to the lower end of the third hydraulic cylinder 23, and a driving member is provided at a corresponding position at the bottom of the frame 1.

[0052] The driving member can drive the horizontal support leg 22 to slide horizontally in the sliding assembly groove 21, thereby driving the third hydraulic cylinder 23 to move in the horizontal direction. At the same time, when the telescopic rod of the third hydraulic cylinder 23 is extended, the support plate 24 can eventually be pressed against the ground, thereby playing a supporting role.

[0053] In any of the above schemes, it is preferred that the driving member includes a rack 25 arranged along the length direction of the horizontal support leg 22, and a through slot 26 is opened at a corresponding position on the bottom of the frame 1 along the length direction of the sliding assembly slot 21, the top of the rack 25 is fixedly connected to the bottom of the horizontal support leg 22, the lower meshing teeth of the rack 25 are arranged in the through slot 26, and a motor 27 is fixedly installed at the corresponding position on the bottom of the frame 1, and the motor shaft of the motor 27 is coaxially fixedly connected with a gear 28, and the gear 28 is meshingly connected to the rack 25.

[0054] The motor 27 works and its motor shaft drives the gear 28 to rotate. Under the meshing transmission action of the gear 28 and the rack 25, the rack 25 can be further driven to move horizontally along the through slot 26, thereby driving the horizontal support foot 22 to slide along the sliding assembly slot 21.

[0055] By setting up a meshing transmission structure of gear 28 + rack 25, not only can the horizontal support leg 22 be automatically shifted along the sliding assembly groove 21, but the driving member for driving the horizontal support leg 22 can also be set thereunder to avoid the driving member occupying the sliding matching space inside the sliding assembly groove 21. In this way, the length of the horizontal support leg 22 can be increased, thereby improving the supporting effect.

[0056] In any of the above schemes, it is preferred that the support member includes a support frame 7, the lower end of the support frame 7 is fixedly connected to the top of the left end of the frame 1, an abutment groove 29 is provided on the upper part of the support frame 7, and abutment blocks 30 are respectively fixedly connected at corresponding positions in the middle of two vertical inner walls of the abutment groove 29, and when the telescopic boom 5 is in a retracted state, the cantilever rod 13 is pressed against the bottom of the abutment groove 29, and the telescopic boom 5 is pressed against the two abutment blocks 30.

[0057] The distance between the two abutment blocks 30 should be larger than the horizontal width of the cross section of the cantilever rod 13, and smaller than the horizontal width of the cross section of the telescopic boom 5, so that when the cantilever rod 13 is folded back to its original state and the telescopic boom 5 is retracted, the cantilever rod 13 can pass through the two abutment blocks 30 and press against the bottom of the abutment groove 29, and the two abutment blocks 30 can support the bottom of the telescopic boom 5. In this way, by setting the support frame 7, the cantilever rod 13 and the telescopic boom 5 of the device in a non-working state can be supported and fixed at the same time.

[0058] In any of the above schemes, it is preferred that a plurality of third mounting seats 31 are integrally formed at intervals on the top and right end surface of the first telescopic arm of the telescopic boom 5, and a third roller 32 is movably mounted on each of the third mounting seats 31 through a pin, and the corresponding positions in the middle of the rope 9 are pressed against each of the third rollers 32.

[0059] The third rollers 32 are movably mounted on the corresponding third mounting seats 31 via pins. The freely rotatable third rollers 32 can support the rope 9, thereby avoiding friction between the rope 9 and the top of the telescopic boom 5, making the rope 9 more smoothly retracted and released.

[0060] Specific working principle:

[0061] The operator first drives the vehicle to the designated workstation, and then controls each motor 27 to operate, and then drives the corresponding gear 28 to rotate through the motor shaft of each motor 27. Under the meshing transmission of the gear 28 and the rack 25, the corresponding rack 25 is further driven to move horizontally along the through slot 26, so that the four horizontal legs 22 are finally extended from the corresponding sliding assembly slots 21. Then, under the action of the third hydraulic cylinder 23, the support plate 24 is moved down and finally pressed against the ground, thereby supporting the vehicle to prevent rollover.

[0062] After the vehicle is stable, the revolving platform 3 is controlled to rotate to a suitable position, and then the telescopic rod of the first hydraulic rod 6 is controlled to extend, so that the front end of the telescopic boom 5 is gradually lifted upward, and then the telescopic arm of the last section of the telescopic boom 5 is controlled to extend, thereby driving the first connecting rod 11, the second connecting rod 12 and the cantilever rod 13 to extend forward of the telescopic boom 5 together, and then the telescopic rod of the second hydraulic cylinder 14 is controlled to extend, so that the inner end of the cantilever rod 13 swings forward of the telescopic boom 5. When the angle of the cantilever rod 13 is appropriate, the winch 8 is controlled to work, so that the rope 9 is gradually released and drives the hook 10 to move downward.

[0063] Afterwards, the lifted component structure is fixedly suspended under the hook 10, and then the telescopic arms of the telescopic boom 5 are controlled to extend, so that the suspended component structure can be lifted and lifted. Afterwards, with the cooperation of the revolving platform 3, the first hydraulic cylinder 6, the winch 8 and the telescopic arms of the telescopic boom 5, the suspended component structure is moved to the designated platform or the top of the floor.

[0064] At this time, the telescopic rod of the second hydraulic cylinder 14 is controlled to continue to extend, so that the cantilever rod 13 continues to swing forward of the telescopic boom 5, thereby cantilevering the rope 9 to the front of the telescopic boom 5, and further cantilevering the hook 10 and the component structure suspended therefrom to the front of the telescopic boom 5, ensuring that the component structure can be directly lifted to a safe position in the middle of a high platform or roof, thereby greatly improving the safety of lifting.

[0065] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

[0066] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A new type of vehicle-mounted hydraulic lifting equipment, comprising a vehicle frame (1), a cab (2) being provided at the left end of the vehicle frame (1), and a rotating platform (3) being movably installed at the top of the right end of the vehicle frame (1), characterized in that: A connecting column (4) is fixedly connected to the top of the left end of the rotating platform (3), the upper end of the connecting column (4) is hinged to the right end of a telescopic boom (5), a first hydraulic cylinder (6) is provided below the telescopic boom (5), the right end of the first hydraulic cylinder (6) is hinged to the left side of the circumferential outer wall of the lower end of the connecting column (4), the left end of the first hydraulic cylinder (6) is hinged to the bottom surface of the middle part of the first telescopic boom of the telescopic boom (5), and a hydraulic cylinder (6) for cantilevering outward is provided at the left end of the last telescopic boom of the telescopic boom (5). A cantilever assembly, wherein a support member is fixedly connected to the top of the left end of the frame (1), telescopic support leg assemblies are respectively provided at the left and right sides of the frame (1), a winch (8) is fixedly connected to the top of the right end of the slewing platform (3), and also includes a rope (9), the right end of the rope (9) is fixedly connected to the winch (8), the middle section of the rope (9) is pressed against the corresponding position of the top of the telescopic boom (5), and the left end of the rope (9) is arranged on the cantilever assembly and fixedly connected to a hook (10).

2. The vehicle-mounted hydraulic new lifting equipment according to claim 1 is characterized in that: The cantilever assembly comprises a first connecting rod (11), the right end of the first connecting rod (11) is fixedly connected to the left end of the telescopic arm of the last section of the telescopic boom (5), the left end of the first connecting rod (11) is fixedly connected to the upper end of a second connecting rod (12), the lower end of the second connecting rod (12) is hinged to the left end of a cantilever rod (13), and also comprises a second hydraulic cylinder (14), the upper end of the second hydraulic cylinder (14) is hinged to a corresponding position at the bottom of the first connecting rod (11), the lower end of the second hydraulic cylinder (14) is hinged to a corresponding position at the top of the cantilever rod (13), a first limiting slot (15) is vertically opened at the left end of the first connecting rod (11), a second limiting slot (16) is opened in the middle of the cantilever rod (13) along its length direction, and the corresponding positions of the middle section of the rope (9) sequentially penetrate the first limiting slot (15) and the second limiting slot (16).

3. The vehicle-mounted hydraulic new type lifting equipment according to claim 2 is characterized in that: First clamping members are respectively provided on both sides of the inlet position and the outlet position of the first limiting through slot (15); The first clamping member comprises a first roller (17), a first mounting seat (18) is integrally formed at a corresponding position of the first connecting rod (11), and both ends of the central rotating shaft of the first roller (17) are respectively movably inserted into rotating holes on the first mounting seat (18); The two first rollers (17) at corresponding positions are respectively pressed against two sides of the rope (9).

4. The vehicle-mounted hydraulic new type lifting equipment according to claim 3 is characterized in that: Second clamping members are respectively provided on both sides of the inlet position and the outlet position of the second limiting through groove (16); The second clamping member comprises a second roller (19), and a second mounting seat (20) is integrally formed at a corresponding position of the cantilever rod (13), and both ends of the central rotating shaft of the second roller (19) are respectively movably inserted into rotating holes on the second mounting seat (20); The two second rollers (19) at corresponding positions are respectively pressed against two sides of the rope (9).

5. The vehicle-mounted hydraulic new type lifting equipment according to claim 4 is characterized in that: The telescopic support leg assembly comprises a sliding assembly groove (21), a horizontal support leg (22) is slidably mounted in the sliding assembly groove (21), a third hydraulic cylinder (23) is vertically fixedly connected to the bottom of the outer end of the horizontal support leg (22), a support plate (24) is coaxially fixedly connected to the lower end of the third hydraulic cylinder (23), and a driving member is provided at a corresponding position on the bottom of the vehicle frame (1).

6. The vehicle-mounted hydraulic new type lifting equipment according to claim 5 is characterized by: The driving member comprises a rack (25) arranged along the length direction of the horizontal support leg (22); a through slot (26) is opened at a corresponding position on the bottom of the frame (1) along the length direction of the sliding assembly slot (21); the top of the rack (25) is fixedly connected to the bottom of the horizontal support leg (22); the lower meshing teeth of the rack (25) are arranged in the through slot (26); a motor (27) is fixedly installed at a corresponding position on the bottom of the frame (1); a gear (28) is coaxially fixedly connected to the motor shaft of the motor (27); and the gear (28) and the rack (25) are meshingly connected.

7. The vehicle-mounted hydraulic new type lifting equipment according to claim 6 is characterized by: The support member comprises a support frame (7), the lower end of the support frame (7) is fixedly connected to the top of the left end of the vehicle frame (1), an abutment groove (29) is provided on the upper part of the support frame (7), and abutment blocks (30) are respectively fixedly connected at corresponding positions in the middle of two vertical inner walls of the abutment groove (29), and when the telescopic boom (5) is in a retracted state, the cantilever rod (13) is pressed against the bottom of the abutment groove (29), and the telescopic boom (5) is pressed against the two abutment blocks (30).

8. The vehicle-mounted hydraulic new type lifting equipment according to claim 7 is characterized in that: A plurality of third mounting seats (31) are integrally formed at intervals on the top and right end surface of the first telescopic arm of the telescopic boom (5), and a third roller (32) is movably mounted on each of the third mounting seats (31) via a pin, and corresponding positions in the middle of the rope (9) are pressed against each of the third rollers (32).

Images