CN210393603U - Hand-push type hydraulic small crane - Google Patents
Hand-push type hydraulic small crane Download PDFInfo
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- CN210393603U CN210393603U CN201921161456.0U CN201921161456U CN210393603U CN 210393603 U CN210393603 U CN 210393603U CN 201921161456 U CN201921161456 U CN 201921161456U CN 210393603 U CN210393603 U CN 210393603U
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Abstract
The utility model discloses a little crane of hand propelled hydraulic pressure, be in including the base and connect through the support frame davit on the base, its characterized in that: the one end of base is equipped with the control arm, the control arm is through rotating the pivot and connecting the directive wheel, the control arm still is connected with first pneumatic cylinder, first pneumatic cylinder passes through oil pipe connection second pneumatic cylinder, the flexible rod end connection control of second pneumatic cylinder the davit goes up and down. The utility model discloses little crane of hand propelled hydraulic pressure, its simple structure, convenient to use can realize controlling in a flexible way, and the suitability is better, has stronger practicality and better application prospect.
Description
Technical Field
The utility model belongs to the technical field of hoisting equipment, more specifically say, relate to a little crane of hand propelled hydraulic pressure.
Background
In some factories or repair factories, some heavier objects such as an engine, a transmission, a small-sized mold and the like need to be hoisted sometimes, if the operation is only performed manually, the effect of achieving twice the result with half the effort is difficult to achieve, some factory building equipment is arranged more closely, some small cranes are arranged on the market at present, but the operation is difficult, the hoisting operation and the moving are inconvenient, and the traveling direction of the small cranes is difficult to control in the steering process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art, providing a hand-push hydraulic small crane which has simple structure and convenient use and can be flexibly controlled.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the small hand-push hydraulic crane comprises a base and a suspension arm connected to the base through a support frame, and is characterized in that: the one end of base is equipped with the control arm, the control arm is through rotating the pivot and connecting the directive wheel, the control arm still is connected with first pneumatic cylinder, first pneumatic cylinder passes through oil pipe connection second pneumatic cylinder, the flexible rod end connection control of second pneumatic cylinder the davit goes up and down.
In order to make the above technical solution more detailed and concrete, the present invention further provides the following preferable technical solution to obtain satisfactory practical effect:
the oil inlet end of the first hydraulic cylinder is connected to the oil return box, the oil outlet end of the first hydraulic cylinder is connected to the oil inlet end of the second hydraulic cylinder, and the oil outlet end of the second hydraulic cylinder is connected to the oil return box.
And a first one-way valve is arranged on a pipeline communicated with the oil return box from the oil inlet end of the first hydraulic cylinder.
And a second one-way valve is arranged on a pipeline communicated with the oil outlet end of the first hydraulic cylinder and the oil inlet end of the second hydraulic cylinder.
And a stop valve is arranged on a pipeline for communicating the oil outlet end of the second hydraulic cylinder with the oil return tank.
The stop valve is connected with a manual wrench through a stay cable.
The base comprises two bottom support rods, and one ends of the two bottom support rods, which are far away from the steering wheels, are respectively provided with a walking wheel.
A transverse support rod is arranged between the two bottom support rods, and the support frame comprises a main support with one end connected to the suspension arm and the other end connected to the transverse support rod and auxiliary supports arranged on two sides of the main support; the lower end of the second hydraulic cylinder is connected to the main support through a support, and an upper end telescopic rod is hinged to the suspension arm.
The steering wheel is a friction universal wheel provided with a brake pad, the base is provided with a shaft sleeve penetrating through the hinge shaft, and the lower end of the hinge shaft is connected to a connecting seat of the steering wheel.
The suspension arm is composed of two support arms which are coaxially sleeved, and a plurality of adjusting holes which are arranged at intervals and used for adjusting the length of the suspension arm are formed in the support arms.
Compared with the prior art, the utility model, have following advantage: the utility model discloses little crane of hand propelled hydraulic pressure, its simple structure, convenient to use can realize controlling in a flexible way, and the suitability is better, has stronger practicality and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic structural view of the hand-push hydraulic small crane of the present invention;
FIG. 2 is a schematic structural view of the hand-push hydraulic small crane of the present invention;
FIG. 3 is a schematic diagram of the hydraulic control of a small crane;
fig. 4 is a schematic diagram of a stop valve controlled by a manual wrench.
Labeled as: 1. the base, 2, davit, 3, support frame, 31, main support, 32, assist the support, 4, control arm, 5, directive wheel, 6, walking wheel, 7, first pneumatic cylinder, 8, second pneumatic cylinder, 9, first check valve, 10, second check valve, 11, return oil tank, 12, stop valve, 13, manual spanner.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The utility model discloses little crane of hand propelled hydraulic pressure, as shown in fig. 1, 2, including base 1 and through the davit 2 of support frame 3 connection on base 1, base 1's one end is equipped with control arm 4, and control arm 4 is through rotating hinge connection directive wheel 5, and control arm 4 still is connected with first pneumatic cylinder 7, and first pneumatic cylinder 7 passes through oil pipe connection second pneumatic cylinder 8, and the flexible rod end connection control davit 2 of second pneumatic cylinder 8 goes up and down. The hand-push hydraulic small crane can drive the steering wheel 5 through the rotation of the control arm 4, so that the direction of the small crane can be controlled; and simultaneously, the control arm 4 is lifted and pressed to drive the first hydraulic cylinder 7 and the second hydraulic cylinder 8 to control the suspension arm. The hand-push hydraulic small crane is simple in structure, the control arm 4 is controlled to control the small crane to steer and lift, the operation is simple and flexible, and the applicability is good.
In the utility model discloses in, it is concrete, first pneumatic cylinder 7 and second pneumatic cylinder 8's control principle is shown in fig. 3. The oil inlet end of the first hydraulic cylinder 7 is connected to the oil return tank 11, the oil outlet end of the first hydraulic cylinder 7 is connected to the oil inlet end of the second hydraulic cylinder 8, and the oil outlet end of the second hydraulic cylinder 8 is connected to the oil return tank 11. And a first one-way valve 9 is arranged on a pipeline communicated with the oil return tank 11 at the oil inlet end of the first hydraulic cylinder 7. And a second one-way valve 10 is arranged on a pipeline communicated with the oil outlet end of the first hydraulic cylinder 7 and the oil inlet end of the second hydraulic cylinder 8. A stop valve 12 is arranged on a pipeline which is communicated with the oil return tank 11 at the oil outlet end of the second hydraulic cylinder 8. During operation, the control arm 4 is lifted upwards, the first hydraulic cylinder generates vacuum degree, the first one-way valve 9 is opened, the second one-way valve 10 is closed, and oil in the oil return tank 11 is sucked into the first hydraulic cylinder 7; when the control arm 4 is swung downwards, the first one-way valve 9 is closed, the second one-way valve 10 is opened, at the moment, hydraulic oil in the first hydraulic cylinder 7 is squeezed into the second hydraulic cylinder 8 through a pipeline, the operation is repeated circularly, a piston rod in the second hydraulic cylinder 8 is jacked up, and therefore the suspension arm 2 raises and lifts a heavy object; the stop valve 12 is connected with the manual wrench 13 through a cable, and the wrench can drive the stop valve to open through the cable. The hand wrench 13 is arranged at the handle at the tail end of the control arm, the inhaul cable is connected to the stop valve 12 through the control arm pipe in a penetrating mode, as shown in detail in fig. 3, hydraulic oil returns to the oil return box 11 under the gravity of the plunger, the piston rod descends, and the suspension arm 2 descends. The rotatable connection of manual spanner 13 is on the control arm casing, and cable one end is connected to one end and is used for manual adjustment, satisfies the user demand.
The utility model discloses in, base 1 includes two end support poles, and two end support poles are equipped with a walking wheel 6 respectively in the one end of keeping away from directive wheel 5. A transverse supporting rod is arranged between the two bottom supporting rods. The support frame 3 comprises a main support 31 with one end connected to the boom 2 and the other end connected to the cross support rod, and auxiliary supports 32 arranged on two sides of the main support 31. The lower end of the second hydraulic cylinder 8 is connected to the main bracket 31 through a support, and the upper end telescopic rod is hinged to the suspension arm 2. The main support 31 supports the boom 2 on the one hand and the second hydraulic cylinder 8 on the other hand for easy mounting. The supporting structure is simple, good in stability and convenient to install and arrange.
The utility model discloses in, preferred, the friction universal wheel of directive wheel 5 for being equipped with the brake block is equipped with the axle sleeve that passes the hinge on the base 11, and the lower extreme of hinge is connected to on the connecting seat of directive wheel. The rear end of the small crane is provided with a steering wheel 5, the steering of the small crane is controlled by a control arm 4, the front part is provided with two walking wheels 6, and preferably, the upper outlines of the walking wheels 6 are set to be lower than the upper plane of the base so as to conveniently place goods. The following steering wheel with a brake function is provided with a locking function, the brake function of the universal wheel utilizes a brake block to rub the universal wheel to provide resistance to realize braking, and the steering wheel with the brake is available in many markets and is not described in detail herein.
The utility model discloses in, davit 2 comprises two coaxial support arms that cup joint, is equipped with the regulation hole of a plurality of interval arrangements in order to adjust davit length on the support arm, adjusts the length back, passes the regulation hole by the bolt and realizes fixing.
The utility model discloses a hand propelled hydraulic pressure crane, crane operation process are that place the crane on relatively flat ground, put down the brake of rear wheel, hang the heavy object firmly on the lifting hook, wave control arm 4 from top to bottom and lift up the heavy object (the transfer distance is far away, can place the goods on base 1, draw to the target location, guaranteed the stability of advancing in-process), after the transportation is accomplished, manual pulling spanner, stop valve 12 is opened, second hydraulic cylinder 8 realizes the pressure release, davit 2 descends the return.
The small crane in the prior art is inconvenient to use practically, complicated in operation steps and low in efficiency, and is difficult to control the direction during moving. The base can be used for transporting the hoisted objects, so that the stability of the goods in the transferring process and the safety of operators are guaranteed, and the hoisting and transferring of the goods are facilitated.
According to the invention, the control arm 4 is adopted to control the lifting and steering of the suspension arm, no extra pressure rod is required to be inserted into a hydraulic cylinder for operation, and when the suspension arm descends, compared with the traditional small crane in the market, the oil discharging bolt is not required to be manually rotated, the suspension arm can descend by pulling a wrench, so that the suspension arm is convenient and rapid, the steering force arm is increased, the steering and moving of the crane are convenient, the base of the small crane is flat, the hoisted goods can be placed above the suspension arm, and the problem of goods shaking in the transferring process can be avoided.
The utility model discloses little crane of hand propelled hydraulic pressure, its simple structure, convenient to use can realize controlling in a flexible way, and the suitability is better, has stronger practicality and better application prospect.
The present invention has been described above with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and various insubstantial improvements or direct applications to other applications can be achieved by using the method and technical solution of the present invention, which all fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a little crane of hand propelled hydraulic pressure, includes the base and connects through the support frame davit on the base, its characterized in that: the one end of base is equipped with the control arm, the control arm is through rotating the pivot and connecting the directive wheel, the control arm still is connected with first pneumatic cylinder, first pneumatic cylinder passes through oil pipe connection second pneumatic cylinder, the flexible rod end connection control of second pneumatic cylinder the davit goes up and down.
2. The hand-propelled hydraulic trolley of claim 1, wherein: the oil inlet end of the first hydraulic cylinder is connected to the oil return box, the oil outlet end of the first hydraulic cylinder is connected to the oil inlet end of the second hydraulic cylinder, and the oil outlet end of the second hydraulic cylinder is connected to the oil return box.
3. The hand-propelled hydraulic trolley as claimed in claim 2, wherein: and a first one-way valve is arranged on a pipeline communicated with the oil return box from the oil inlet end of the first hydraulic cylinder.
4. The hand-propelled hydraulic trolley as claimed in claim 3, wherein: and a second one-way valve is arranged on a pipeline communicated with the oil outlet end of the first hydraulic cylinder and the oil inlet end of the second hydraulic cylinder.
5. The hand-propelled hydraulic trolley as claimed in claim 4, wherein: and a stop valve is arranged on a pipeline for communicating the oil outlet end of the second hydraulic cylinder with the oil return tank.
6. The hand-propelled hydraulic trolley as claimed in claim 5, wherein: the stop valve is connected with a manual wrench through a stay cable.
7. The hand propelled hydraulic trolley of any one of claims 1 to 6, wherein: the base comprises two bottom support rods, and one ends of the two bottom support rods, which are far away from the steering wheels, are respectively provided with a walking wheel.
8. The hand-propelled hydraulic trolley of claim 7, wherein: a transverse support rod is arranged between the two bottom support rods, and the support frame comprises a main support with one end connected to the suspension arm and the other end connected to the transverse support rod and auxiliary supports arranged on two sides of the main support; the lower end of the second hydraulic cylinder is connected to the main support through a support, and an upper end telescopic rod is hinged to the suspension arm.
9. The hand-propelled hydraulic trolley of claim 1, wherein: the steering wheel is a friction universal wheel provided with a brake pad, the base is provided with a shaft sleeve penetrating through the hinge shaft, and the lower end of the hinge shaft is connected to a connecting seat of the steering wheel.
10. The hand-propelled hydraulic trolley of claim 1, wherein: the suspension arm is composed of two support arms which are coaxially sleeved, and a plurality of adjusting holes which are arranged at intervals and used for adjusting the length of the suspension arm are formed in the support arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161456.0U CN210393603U (en) | 2019-07-23 | 2019-07-23 | Hand-push type hydraulic small crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161456.0U CN210393603U (en) | 2019-07-23 | 2019-07-23 | Hand-push type hydraulic small crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210393603U true CN210393603U (en) | 2020-04-24 |
Family
ID=70356404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921161456.0U Active CN210393603U (en) | 2019-07-23 | 2019-07-23 | Hand-push type hydraulic small crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210393603U (en) |
-
2019
- 2019-07-23 CN CN201921161456.0U patent/CN210393603U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee after: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Address before: 241000 Anhui Wuhu economic and Technological Development Zone, Changchun Road, No. 8 generator transformer joint factory Patentee before: ANHUI RUISAIKE RENEWABLE RESOURCE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |