Fixing base for crane

Abstract

The utility model relates to a fixed base for a crane, which belongs to the technical field of cranes and comprises a fixed base and supporting legs fixedly connected to the bottom of the fixed base, a first supporting seat is arranged on one side of the fixed base, and a storage supporting mechanism is arranged between the first supporting seat and the fixed base. The storage supporting mechanism comprises a first hinge piece fixedly connected to one side of the fixed base, and the top of the first supporting base is rotationally connected with a connecting piece. According to the fixing base for the crane, by arranging the first hinge piece and the connecting piece and arranging the hydraulic cylinder, the hydraulic cylinder can drive the first supporting base to move, and by arranging the second hinge piece and the connecting rod, the hydraulic cylinder can drive the first supporting base to rotate in the operation process, and then the effect of supporting the fixing base can be achieved; meanwhile, due to the fact that the first supporting base is rotationally connected with the connecting piece, the first supporting base can be completely attached to the ground, and then the supporting stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, concretely is a fixed base for crane. BACKGROUND

[0002] The crane is a kind of mechanical equipment for vertical lifting and horizontal movement of heavy objects, plays a key role in many industries such as construction, port, logistics etc. Taking the common electric hoist bridge crane as an example, when heavy objects need to be lifted, the motor in the lifting mechanism drives the drum to rotate through the reducer, the steel wire rope on the drum is wound or released, driving the lifting hook to rise or fall, lifting or lowering the heavy objects. The running mechanism makes the crane move horizontally along the track of the bridge in the workshop or warehouse building, so as to transport the heavy objects to the designated position.

[0003] In the use process of crane, fixed base needs to be used, the Chinese utility model patent with publication number CN212050287U discloses a fixed base for crane, including base, crane girder, reinforcing arm, rotating mechanism and lifting mechanism, the middle part upper end of base is fixedly provided with fixed cylinder, fixed cylinder is sleeved with crane support beam, crane support beam is cylindrical, fixed sleeve is further slidably sleeved on support beam, the upper end of crane support beam is fixedly connected with the left lower end of crane girder, the lower end of crane girder is slidably provided with lifting mechanism, the left and right sides of fixed sleeve are both fixedly provided with first hinged seat, the left and right sides of the upper end of base are both provided with second hinged seat, the upper end of reinforcing arm is hinged with first hinged seat, the lower end of reinforcing arm is hinged with second hinged seat, the upper end of base is further provided with rotating mechanism containing groove, rotating mechanism containing groove is provided with rotating mechanism, the lower end of crane girder is connected with rotating mechanism. The utility model can effectively fix the single-arm crane, further improve the stability of single-arm crane during work.

[0004] However, in the use process of the utility model, since the volume of crane is relatively large, only using universal wheel cannot complete the support and movement of base, at the same time, the device does not set additional supporting structure, which may cause the base to be unstable due to uneven road surface, cannot meet the production demand, so a fixed base for crane is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a fixed base for crane, which has the advantages of improving support stability, solving the problem that the volume of crane is relatively large, only using universal wheel cannot complete the support and movement of base, at the same time, the device does not set additional supporting structure, which may cause the base to be unstable due to uneven road surface, cannot meet the production demand.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A fixed base for crane, including fixed base and support leg fixedly connected to the bottom of fixed base, one side of fixed base is provided with first support base, first support base and fixed base are provided with containing support mechanism,

[0007] Containing support mechanism includes first hinged part fixedly connected to one side of fixed base, the top of first support base is rotatably connected with connecting piece, connecting piece and first hinged part are hinged with hydraulic cylinder, one side of fixed base close to first hinged part is fixedly connected with second hinged part, the inside of second hinged part is hinged with connecting rod, and one end of connecting rod away from second hinged part is fixedly connected with connecting piece.

[0008] Further, the opposite side of the connecting rod and the first support base is fixedly connected with the mounting block, and the reset spring is fixedly installed between the two mounting blocks.

[0009] Further, the number of first hinged parts and first support bases is four, and the four first support bases are symmetrically distributed on the left and right sides of the fixed base.

[0010] Further, the double-shaft motor is fixedly installed in the inside of the fixed base, the threaded rod is fixedly connected to the output shaft of the double-shaft motor, the threaded sleeve is threadedly connected to the outside of the threaded rod, and the mounting frame is fixedly connected to the bottom of the threaded sleeve.

[0011] Further, the electric push rod is fixedly installed in the inside of the mounting frame, the second support base is fixedly connected to the output end of the electric push rod, and the second support base is on the same horizontal line as the first support base.

[0012] Further, the threaded sleeve is fixedly connected to the positioning block extending to the inside of the fixed base on the side away from the electric push rod, and the positioning groove matched with the positioning block is formed in the inner wall of the fixed base.

[0013] Further, the containing groove matched with the electric push rod is formed in the front and back of the fixed base, the number of support legs is four, and the four support legs are evenly distributed on the bottom of the fixed base.

[0014] Compared with the prior art, the utility model provides a fixed base for crane, which has the following advantages

[0015] Beneficial effects:

[0016] 1. The fixed base of the crane, by setting the first hinge and connecting piece, and then setting the hydraulic cylinder, so that the hydraulic cylinder can drive the first support seat to move, and then setting the second hinge and connecting rod, so that the hydraulic cylinder can drive the first support seat to rotate during operation, thereby achieving the effect of supporting the fixed base, and because the first support seat is rotatably connected with the connecting piece, the first support seat can be completely attached to the ground, thereby improving the stability of the support.

[0017] 2. The fixed base of the crane, by setting the electric push rod to drive the second support seat to move downward, thereby supporting the front and back of the fixed base, and then driving the threaded sleeve to move by the double-shaft motor, thereby achieving the effect of storing the electric push rod, reducing the occupied space, solving the problem that because the crane is relatively large in size, only using universal wheels cannot complete the support and movement of the base, and at the same time, the device does not have an additional support structure, which may cause the base to be unstable due to uneven road surface, and cannot meet the production requirements. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a sectional view of the utility model structure;

[0019] Figure 2 is an enlarged structure schematic view of A shown in the utility model; Figure 1

[0020] Figure 3 is a structure schematic view of the double-shaft motor of the utility model;

[0021] Figure 4 is a structure perspective view of the fixed base of the utility model.

[0022] In the drawing: 1 fixed base, 2 support leg, 3 first support seat, 4 connecting piece, 5 first hinge, 6 hydraulic cylinder, 7 second hinge, 8 connecting rod, 9 mounting block, 10 return spring, 11 push rod, 12 double-shaft motor, 13 threaded rod, 14 threaded sleeve, 15 support frame, 16 electric push rod, 17 second support seat, 18 storage groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 4 ​The fixed base for the crane in the embodiment comprises a fixed base 1, support legs 2 fixedly connected to the bottom of the fixed base 1, a first support base 3 arranged on one side of the fixed base 1, a storage support mechanism arranged between the first support base 3 and the fixed base 1, the storage support mechanism comprising a first hinged piece 5 fixedly connected to one side of the fixed base 1, a connecting piece 4 rotatably connected to the top of the first support base 3, a hydraulic cylinder 6 hingedly connected between the connecting piece 4 and the first hinged piece 5, a second hinged piece 7 fixedly connected to one side of the fixed base 1 close to the first hinged piece 5, a connecting rod 8 hingedly connected in the second hinged piece 7, and the connecting rod 8 being fixedly connected to the connecting piece 4 at an end away from the second hinged piece 7.

[0025] The opposite side of the connecting rod 8 and the first support base 3 is fixedly connected with a mounting block 9, a reset spring 10 is fixedly installed between the two mounting blocks 9, a push rod 11 is fixedly connected to one side of the hydraulic cylinder 6 close to the first support base 3, the number of the first hinged piece 5 and the first support base 3 is four, and the four first support bases 3 are symmetrically distributed on the left and right sides of the fixed base 1.

[0026] It should be noted that by arranging the reset spring 10, the first support base 3 can be positioned so that it is always in a vertically downward state, and by arranging the push rod 11, the push rod 11 will not affect the first support base 3 when the first support base 3 rotates downward during the start of the hydraulic cylinder 6, and the push rod 11 will extrude the first support base 3 when the first support base 3 rotates upward, until the first support base 3 rotates 90°, thereby reducing the occupied space.

[0027] In the embodiment, a double-shaft motor 12 is fixedly installed in the fixed base 1, a threaded rod 13 is fixedly connected to the output shaft of the double-shaft motor 12, a threaded sleeve 14 is threadedly connected to the outside of the threaded rod 13, an installation frame 15 is fixedly connected to the bottom of the threaded sleeve 14, an electric push rod 16 is fixedly installed in the installation frame 15, a second support base 17 is fixedly connected to the output end of the electric push rod 16, and the second support base 17 is on the same horizontal line as the first support base 3.

[0028] The side of the threaded sleeve 14 away from the electric push rod 16 is fixedly connected with a positioning block extending into the fixed base 1, a positioning groove matching the positioning block is formed in the inner wall of the fixed base 1, the screw directions of the two threaded rods 13 are opposite, and the rotation directions of the output shafts of the double-shaft motor 12 are the same, thereby achieving the effect of symmetrical movement.

[0029] In the embodiment, a storage groove 18 matching the electric push rod 16 is formed on the front and back of the fixed base 1, and the number of the support legs 2 is four, which are evenly distributed on the bottom of the fixed base 1.

[0030] The working principle of the above embodiment is as follows:

[0031] Firstly, the staff places the fixed base 1 at a suitable position, then starts the hydraulic cylinder 6 to drive the first support base 3 to rotate downward, and when the first support base 3 is completely attached to the ground, the double-shaft motor 12 is started to drive the electric push rod 16 and the second support base 17 to move outward, and when the electric push rod 16 is completely located outside the fixed base 1, the electric push rod 16 is started to drive the second support base 17 to contact the ground.

[0032] The electrical components appearing in the text are all electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer for control, and the existing disclosed power connection technology also belongs to the common knowledge in the art, which will not be described herein.

[0033] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stationary base for a crane, comprising a stationary base (1) and support legs (2) fixedly connected to the bottom of the stationary base (1), characterized in that: One side of the fixed base (1) is provided with a first support seat (3), and a containing support mechanism is arranged between the first support seat (3) and the fixed base (1); The containing support mechanism comprises a first hinge piece (5) fixedly connected to one side of the fixed base (1), a connecting piece (4) rotatably connected to the top of the first support seat (3), a hydraulic cylinder (6) hingedly connected between the connecting piece (4) and the first hinge piece (5), a second hinge piece (7) fixedly connected to one side of the fixed base (1) close to the first hinge piece (5), a connecting rod (8) hingedly connected in the second hinge piece (7), and one end of the connecting rod (8) away from the second hinge piece (7) is fixedly connected with the connecting piece (4).

2. A fixed base for a crane according to claim 1, characterized in that: The connecting rod (8) and the opposite side of the first support seat (3) are both fixedly connected with a mounting block (9), a reset spring (10) is fixedly installed between the two mounting blocks (9), and the hydraulic cylinder (6) is fixedly connected with a push rod (11) on one side close to the first support seat (3).

3. The fixed base for a crane according to claim 1, characterized in that: The number of the first hinge piece (5) and the first support seat (3) is four, and four first support seats (3) are symmetrically distributed on the left and right sides of the fixed base (1).

4. The fixed base for a crane of claim 1, wherein: A double-shaft motor (12) is fixedly installed in the fixed base (1), a threaded rod (13) is fixedly connected to the output shaft of the double-shaft motor (12), a threaded sleeve (14) is threadedly connected to the outside of the threaded rod (13), and a mounting frame (15) is fixedly connected to the bottom of the threaded sleeve (14).

5. A fixed base for a crane according to claim 4, characterized in that: An electric push rod (16) is fixedly installed in the mounting frame (15), a second support seat (17) is fixedly connected to the output end of the electric push rod (16), and the second support seat (17) is on the same horizontal line as the first support seat (3).

6. A fixed base for a crane according to claim 5, characterized in that: The threaded sleeve (14) is fixedly connected with a positioning block extending into the fixed base (1) on the side away from the electric push rod (16), and a positioning groove matched with the positioning block is formed in the inner wall of the fixed base (1).

7. A fixed base for a crane as claimed in claim 4, characterized in that: The front and back of the fixed base (1) are both provided with containing grooves (18) matched with the electric push rod (16), and the number of the support legs (2) is four, and the four support legs (2) are evenly distributed on the bottom of the fixed base (1).

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