Hydraulic crane

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a hydraulic hoist, which comprises a support frame with travelling wheels, a vertical rod arranged on the support frame, a sleeve which can move up and down and cannot rotate arranged on the vertical rod, a cantilever frame hinged to the top end of the outer side of the sleeve, a bogie arranged at one end of the support frame far away from the cantilever frame, and a hydraulic cylinder arranged between the cantilever frame and the sleeve. A winch is arranged at the end, close to the bogie, of the supporting frame, a steering fixed pulley is arranged at the top end of the vertical rod, and a winch rope on the winch is led out of the winch and connected to the top end of the sleeve in a steering mode through the steering fixed pulley. The position of the walking wheel where the rotating shaft is located serves as a fulcrum, the side of the operating rod serves as an operating force arm, the cantilever frame serves as a hoisting force arm, the lever hoisting function is achieved, the height position of the sleeve and the hydraulic cylinder are used for adjusting the included angle between the cantilever frame and the vertical rod, the height change of an object hoisted by the cantilever frame is achieved, and the hoisting effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, specifically point to a kind of hydraulic hoist. BACKGROUND

[0002] At present, photovoltaic device needs many people to cooperate in hoisting and transporting process and places photovoltaic device to specified place, so it is time-consuming and laborious, which greatly increases the labor intensity of on-site operators.

[0003] In order to meet the needs of site construction, the on-site operators need to realize labor-saving and convenient transportation when hoisting and transporting photovoltaic devices.

[0004] Therefore, a hydraulic hoist is developed by using the principle of lever and the height adjustment principle of hydraulic cylinder, UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the above-mentioned technology, and to provide a hydraulic hoist.

[0006] A hydraulic hoist comprises a support frame with walking wheels, a vertical rod is arranged on the support frame, a sleeve capable of moving up and down along the vertical rod axis and unable to rotate around the vertical rod is arranged on the vertical rod, an upper limit is arranged above the sleeve, and a lower limit is arranged below the sleeve, a bracket is hingedly connected to the top of the outer side of the sleeve, a bogie is arranged at the end of the support frame away from the bracket, a hydraulic cylinder is arranged between the bracket and the sleeve, the extension cylinder of the hydraulic cylinder is hingedly connected to the bottom side of the bracket, and the outer cylinder is hingedly connected to the sleeve,

[0007] The end of the support frame close to the bogie is provided with a winch, the top end of the vertical rod is provided with a steering fixed pulley, the winch rope on the winch is drawn out from the winch, connected to the top end of the sleeve through the steering fixed pulley.

[0008] Further, the vertical rod and the sleeve are both in the structure of square tube, so that the sleeve can only move up and down along the vertical rod.

[0009] Further, the support frame is provided with two walking wheels, a rotating shaft is rotatably connected between the two walking wheels, and the vertical rod is perpendicularly connected to the rotating shaft.

[0010] The top end of the sleeve is hingedly connected with a bracket mounting cylinder, and the hydraulic cylinder is arranged between the sleeve and the bracket mounting cylinder.

[0011] The side of the vertical rod close to the bogie is provided with an operating rod, the end of the operating rod away from the vertical rod is provided with a bogie insertion cylinder, and the bogie is inserted into the bogie insertion cylinder.

[0012] Limit bolt assemblies are arranged between the bracket and the bracket mounting cylinder and between the bogie and the bogie insertion cylinder.

[0013] Further, the cantilever frame comprises a main cantilever rod and a secondary cantilever rod connected to each other, the main cantilever rod and the secondary cantilever rod are inserted into the cantilever frame mounting cylinder, and the main cantilever rod is provided with a lifting appliance at the end away from the cantilever frame mounting cylinder.

[0014] Further, the bogie comprises a supporting frame, the supporting frame is provided with an insertion rod capable of being inserted into the bogie mounting cylinder, the top of the supporting frame is provided with an operating handle away from the insertion rod, and the bottom of the supporting frame is provided with a universal wheel with a brake.

[0015] Further, the walking wheel and the rotating shaft are connected through a bearing to realize the rotating effect.

[0016] Further, the operating rod is provided with a reinforcing rod between the two sides and the rotating shaft.

[0017] The utility model discloses the advantages that: the utility model discloses reasonable structure, realizes lever hoisting through operating rod, rotating shaft and cantilever beam, that is, the position of the walking wheel at the rotating shaft is the supporting point, the operating rod side is the operating force arm, and the cantilever frame is the hoisting force arm, realizing the function of lever hoisting.

[0018] The hydraulic cylinder is used to adjust the included angle between the cantilever frame and the vertical rod, so that the height of the object hoisted by the cantilever frame can be changed.

[0019] The height position of the sleeve is controlled by the winch, and the height of the object hoisted by the cantilever frame can be further changed.

[0020] The walking wheel and the universal wheel are used to realize the movement of the whole machine, and the universal wheel can also help steering, so that the operation is strong. DRAWINGS

[0021] Fig. 1 It is a schematic view of the hydraulic hoisting vehicle of the utility model;

[0022] Fig. 2 It is a schematic view of the hydraulic cylinder of the hydraulic hoisting vehicle of the utility model, and the hoisting height is increased.

[0023] As shown in the drawings: 1, supporting frame; 2, cantilever frame; 3, bogie; 4, hydraulic cylinder; 5, universal wheel; 6, walking wheel; 7, rotating shaft; 8, limiting bolt assembly; 9, reinforcing rod; 10, sleeve; 11, upper limit; 12, lower limit; 13, winch; 14, steering fixed pulley; 15, winding rope; 101, vertical rod; 102, cantilever frame mounting cylinder; 103, operating rod; 104, bogie insertion cylinder; 201, main cantilever rod; 202, secondary cantilever rod; 301, supporting frame; 302, insertion rod; 303, operating handle. CONCRETE EMBODIMENT

[0024] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0026] In the description of the utility model embodiment, if a certain feature is referred to as "set", "fixed", "connected", "installed" on another feature, it can be directly set, fixed, connected or installed on another feature, or indirectly set, fixed, connected or installed on another feature.

[0027] In the description of the utility model embodiment, if "several" is involved, the meaning is more than one, if "a plurality of" is involved, the meaning is more than two, if "greater than", "less than", "more than" is involved, it should be understood as not including the number, if "above", "below", "within" is involved, it should be understood as including the number. If "first" and "second" are involved, it should be understood that they are used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0028] The utility model will be further described in detail below with reference to the drawings.

[0029] A hydraulic lifting crane, including the support frame 1 with walking wheel, be provided with vertical rod 101 on the support frame 1, be equipped with the sleeve 10 that can move up and down along vertical rod 101 axis and cannot revolve around on vertical rod 101, be equipped with upper limit 11 on the sleeve 10 above vertical rod 101, be equipped with lower limit 12 below sleeve 10, the outer top of sleeve 10 is hinged with outrigger 2, the end away from outrigger 2 of support frame 1 is equipped with bogie 3, be equipped with hydraulic cylinder 4 between outrigger 2 and sleeve 10, the telescopic cylinder of hydraulic cylinder 4 is hinged to the bottom side of outrigger 2, and the outer cylinder is hinged to sleeve 1, the bottom of bogie 3 is equipped with universal wheel 5,

[0030] The support frame 1 is provided with a winch 13 near one end of the bogie 3, the top end of the vertical rod 101 is provided with a steering fixed pulley 14, a winch rope 15 on the winch 13 is led out from the winch 13, is connected to the top end of the sleeve 10 through the steering fixed pulley 14.

[0031] The vertical rod 101 and the sleeve 10 are both in square tube structure, so that the sleeve 10 can only move up and down along the vertical rod 101.

[0032] The support frame 1 is provided with two walking wheels 6, and the two walking wheels 6 are rotatably connected with a rotating shaft 7, and the vertical rod 101 is connected with the rotating shaft 7 perpendicularly.

[0033] The sleeve 10 is hingedly provided with a bracket mounting cylinder 102 at the top end, and the hydraulic cylinder 4 is arranged between the sleeve 10 and the bracket mounting cylinder 102.

[0034] The vertical rod 101 is provided with an operating rod 103 near the side of the bogie, and the operating rod 103 is provided with a bogie inserting cylinder 104 at the end away from the vertical rod 101, and the bogie 3 is inserted into the bogie inserting cylinder 104.

[0035] Limit bolt assemblies 8 are arranged between the bracket 2 and the bracket mounting cylinder 102, and between the bogie 3 and the bogie inserting cylinder 104.

[0036] As a preferred embodiment of the utility model, the bracket 2 comprises a main bracket rod 201 and a secondary bracket rod 202 connected with each other, the main bracket rod 201 and the secondary bracket rod 202 are inserted into the bracket mounting cylinder 102 correspondingly, the main bracket rod 201 is provided with a lifting appliance at the end away from the bracket mounting cylinder 102, and the bracket 2 and the bracket mounting cylinder 102 can be arranged between the main bracket rod 201 and the corresponding bracket mounting cylinder 102, a through hole is arranged on the main bracket rod 201 and the corresponding bracket mounting cylinder 102, and the bolt assembly 8 is arranged at the through hole to limit the bracket 3 from being separated.

[0037] As a preferred embodiment of the utility model, the bogie 3 comprises a support frame 301, the support frame 301 is provided with an inserting rod 302 capable of being inserted into the bogie mounting cylinder 104, the support frame 301 is provided with an operating handrail 303 at the top end away from the inserting rod 302, the bottom of the support frame 301 is provided with a universal wheel 5 with a brake, a through hole is arranged on the inserting rod 302 and the bogie mounting cylinder 104, and the bolt assembly 8 is arranged at the through hole to limit the bogie 3 from being separated.

[0038] As a preferred embodiment of the utility model, the walking wheel 6 and the rotating shaft 7 are connected through a bearing to realize the rotating effect.

[0039] As preferred implementation of the utility model, the operating lever 104 two sides and the pivot 7 between be equipped with the reinforcing rod 9, play the role of reinforcing stable.

[0040] The utility model discloses in using, for hydraulic cylinder is equipped with hydraulic oil pump machine system, when hoisting goods, the lifting appliance of pick frame 2 front end connects goods, controls hydraulic oil pump machine system and controls hydraulic cylinder 4 work, the telescopic cylinder of hydraulic cylinder 4 is stretched out, pick frame 2 is picked up and is lifted, then promotes goods to lift, for example Figs. 1-2 The height change of process, by height H1 change to H2, the bottom of transformation frame 3 is provided with brake universal wheel 5, and the operator controls operating handrail 303 and adjusts the walking direction of hoisting and complete machine.

[0041] When the higher position is needed, the sleeve 10 can be moved upward by the winch 13 through the winch rope 15, and a higher hoisting position is obtained.

[0042] The utility model and its implementation have been described above, and this description is not restrictive. The drawings only show one of the embodiments of the utility model, and the actual structure is not limited to this. In summary, if a person skilled in the art is inspired by this, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A hydraulic hoist characterized by: The utility model provides a support frame (1) including walking wheel, be provided with vertical rod (101) on support frame (1), be equipped with the sleeve (10) of being able to move up and down along vertical rod (101) axis and cannot revolve on vertical rod (101), be equipped with upper limit (11) above sleeve (10) on vertical rod (101), be equipped with lower limit (12) below sleeve (10), the outside top of sleeve (10) is hinged with outrigger (2), support frame (1) is equipped with bogie (3) away from outrigger (2) one end, be equipped with hydraulic cylinder (4) between outrigger (2) and sleeve (10), the telescopic cylinder of hydraulic cylinder (4) is hinged to outrigger (2) bottom side, outer cylinder is hinged to sleeve (10), the bottom of bogie (3) is equipped with universal wheel (5), Support frame (1) is equipped with winch (13) near bogie (3) one end, the top of vertical rod (101) is equipped with steering fixed pulley (14), winch rope (15) on winch (13) is led out from winch (13), is connected to the top of sleeve (10) through steering fixed pulley (14).

2. A hydraulic lift according to claim 1, wherein: Vertical rod (101) and sleeve (10) all adopt square tube structure, realize that sleeve (10) can only move up and down along vertical rod (101).

3. A hydraulic lift according to claim 1, wherein: Support frame (1) is equipped with two walking wheels (6), and the rotation is connected with the rotating shaft (7) between two walking wheels (6), and vertical rod (101) is connected to rotating shaft (7) perpendicularly. The top of sleeve (10) is hinged with outrigger mounting cylinder (102), and hydraulic cylinder (4) is arranged between sleeve (10) and outrigger mounting cylinder (102). Vertical rod (101) is equipped with operating rod (103) near bogie side, and operating rod (103) is equipped with bogie insertion cylinder (104) away from vertical rod (101) one end, and bogie (3) is inserted in bogie insertion cylinder (104). Limit bolt assembly (8) is arranged between outrigger (2) and outrigger mounting cylinder (102) and between bogie (3) and bogie insertion cylinder (104).

4. A hydraulic lift according to claim 3, wherein: Outrigger (2) includes one main outrigger (201) and one vice outrigger (202) connected, the main outrigger (201) and vice outrigger (202) are inserted into outrigger mounting cylinder (102) correspondingly, and the main outrigger (201) is equipped with lifting appliance away from outrigger mounting cylinder (102) one end.

5. A hydraulic lift according to claim 3, wherein: Bogie (3) includes support frame (301), the support frame (301) is equipped with insertion rod (302) that can be inserted into bogie insertion cylinder (104), operating handrail (303) is arranged on the top of support frame (301) away from insertion rod (302), and the bottom of support frame (301) is installed with universal wheel (5) with brake.

6. A hydraulic lift according to claim 3, wherein: Walking wheel (6) and rotating shaft (7) are connected through bearing and realize rotating effect.

7. A hydraulic lift according to claim 3, wherein: Strengthening rod (9) is arranged between operating rod (103) both sides and rotating shaft (7).

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