Adjustable base

Abstract

The utility model provides an adjustable base which comprises a main body supporting frame, a plurality of adjusting supporting arms are arranged on the outer side of the main body supporting frame, the lower ends of the adjusting supporting arms are installed on a supporting and fixing cushion block, each adjusting supporting arm comprises an upper supporting arm frame, and the upper end of each upper supporting arm frame is installed on the main body supporting frame through a fixing bolt. The lower end of the upper supporting arm frame is fixedly welded to the supporting arm fixing base, the supporting arm fixing base is installed at the output end of the adjusting supporting base through a fixing bolt, the lower end of the adjusting supporting base is installed on the supporting fixing cushion block, and the adjusting supporting base comprises an upper lifting driving base and a lower lifting supporting base. According to the tower crane, the tower crane main body can be quickly mounted and fixed, the height or the supporting position of the tower crane can be quickly adjusted according to requirements, and the tower crane is very convenient to use. The lifting driving device is arranged between the upper lifting driving seat and the lower lifting supporting seat, and the upper end of the lifting driving device is mounted on the upper lifting driving seat through a driving base plate.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to an adjustable base. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites, also called tower crane. It is connected in length (height) section by section (referred to as "standard section"), and is used to lift construction materials such as steel bars, wooden slats, concrete, and steel pipes. The tower crane needs a foundation to be installed on the ground; the tower body is the body of the tower crane, and it is also the elevated part; the jacking part allows the tower crane to be elevated; the rotation is to keep the upper body of the tower crane able to rotate horizontally; the lifting mechanism is used to lift heavy objects; the balance arm is to maintain the balance of torque; the lifting arm is generally the force-bearing part for lifting heavy objects; the trolley is used to install the pulley block, steel rope and hook, and it is also the direct force-bearing part. The tower crane is also an indispensable lifting equipment on the construction site.

[0003] However, most of the current tower crane bases are fixed on the concrete base through steel plates, which makes it inconvenient to adjust later and install and disassemble. Utility Model Content

[0004] The technical problem solved by the utility model is to provide an adjustable base to solve the problems raised in the above background technology.

[0005] The technical problem solved by the utility model is achieved by adopting the following technical scheme: an adjustable base, comprising: a main body support frame, a plurality of adjusting support arms are provided on the outer side of the main body support frame, the lower end of the adjusting support arm is installed on the supporting fixed pad block, the adjusting support arm comprises an upper support arm frame, the upper end of the upper support arm frame is installed on the main body support frame by fixing bolts, the lower end of the upper support arm frame is welded and fixed on the support arm fixing seat, the support arm fixing seat is installed on the output end of the adjusting support seat by fixing bolts, the lower end of the adjusting support seat is installed on the supporting fixed pad block, the adjusting support seat comprises an upper lifting drive seat and a lower lifting support seat, a lifting drive device is provided between the upper lifting drive seat and the lower lifting support seat, the upper end of the lifting drive device is installed on the upper lifting drive seat through a driving pad, the upper lifting drive seat is provided with a plurality of bolt fixing holes, the lower end of the lower lifting support seat is welded and fixed to the connecting and fixing bottom plate, the lower end of the lifting drive device is fixedly installed on the connecting and fixing bottom plate, and the connecting and fixing bottom plate is provided with a plurality of bolt fixing holes.

[0006] Furthermore, a lifting guide groove is provided on the upper lifting drive seat, and the lower lifting support seat is inserted into the lifting guide groove on the upper lifting drive seat.

[0007] Furthermore, the lifting drive device includes a lifting drive frame, a plurality of lifting drive plates are provided on the upper end of the lifting drive frame, a connecting fixed shaft is provided on the lifting drive plate, the lifting drive frame is installed on the lifting drive block, and the lifting drive block is installed on the output end of the lifting drive cylinder.

[0008] Furthermore, the adjustable support arm includes an upper support rod, a lower support rod I and a lower support rod II are arranged on the lower side of the upper support rod, and a triangular frame structure is formed among the upper support rod, the lower support rod I and the lower support rod II.

[0009] Furthermore, a plurality of reinforcing support rods are provided between the upper support rod, the lower support rod I, and the lower support rod II, and a main frame fixing plate is provided at the upper end between the upper support rod, the lower support rod I, and the lower support rod II.

[0010] Furthermore, the main body support frame is provided with a plurality of main body fixing holes, and the main body support frame is mounted on the tower crane support body by fixing bolts.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the utility model can not only realize the rapid installation and fixation of the tower crane body, but also can quickly adjust the height or support position of the tower crane according to needs, and is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the adjustable support arm of the utility model.

[0014] Figure 3 This is a schematic diagram of the upper support arm frame structure of the utility model.

[0015] Figure 4 It is a schematic diagram of the structure of the adjustment support seat of the utility model.

[0016] Figure 5 It is a schematic structural diagram of the lifting drive device of the utility model.

[0017] Figure 6 It is a schematic diagram of the use state of the utility model. DETAILED DESCRIPTION

[0018] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below in conjunction with specific diagrams. In the description of the utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or an integral connection can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components.

[0019] Example 1

[0020] like Figures 1 to 6 As shown, an adjustable base comprises: a main body support frame 1, a plurality of adjustment support arms 2 are arranged on the outer side of the main body support frame 1, the lower end of the adjustment support arm 2 is mounted on the support fixing pad 3, the adjustment support arm 2 comprises an upper support arm frame 21, the upper end of the upper support arm frame 21 is mounted on the main body support frame 1 by fixing bolts, the lower end of the upper support arm frame 21 is welded and fixed on the support arm fixing seat 22, the support arm fixing seat 22 is mounted on the output end of the adjustment support seat 23 by fixing bolts, and the lower end of the adjustment support seat 23 is mounted on the support fixing pad 3, The adjustment support seat 23 includes an upper lifting drive seat 233 and a lower lifting support seat 234. A lifting drive device 232 is provided between the upper lifting drive seat 233 and the lower lifting support seat 234. The upper end of the lifting drive device 232 is mounted on the upper lifting drive seat 233 through a driving pad 231. The upper lifting drive seat 233 is provided with a plurality of bolt fixing holes. The lower end of the lower lifting support seat 234 is welded and fixed on a connecting and fixing bottom plate 235. The lower end of the lifting drive device 232 is fixedly mounted on the connecting and fixing bottom plate 235. The connecting and fixing bottom plate 235 is provided with a plurality of bolt fixing holes. The upper lifting drive seat 233 is provided with a lifting guide groove, and the lower lifting support seat 234 is inserted into the lifting guide groove on the upper lifting drive seat 233. The lifting drive device 232 includes a lifting drive frame 43, a plurality of lifting drive plates 44 are provided on the upper end of the lifting drive frame 43, a connecting fixed shaft 45 is provided on the lifting drive plate 44, the lifting drive frame 43 is installed on the lifting drive block 42, and the lifting drive block 42 is installed on the output end of the lifting drive cylinder 41.

[0021] Example 2

[0022] like Figures 1 to 6As shown, an adjustable base comprises: a main body support frame 1, a plurality of adjustment support arms 2 are arranged on the outer side of the main body support frame 1, the lower ends of the adjustment support arms 2 are installed on the support and fixed pad 3, the adjustment support arm 2 comprises an upper support arm frame 21, the upper ends of the upper support arm frame 21 are installed on the main body support frame 1 by fixing bolts, the lower ends of the upper support arm frame 21 are welded and fixed on the support arm fixing seat 22, the support arm fixing seat 22 is installed on the output end of the adjustment support seat 23 by fixing bolts, the lower end of the adjustment support seat 23 is installed on the support and fixed pad 3, the adjustment support arm 2 comprises an upper support rod 211, a lower support rod I212 and a lower support rod II213 are arranged on the lower side of the upper support rod 211, and a triangular frame structure is formed between the upper support rod 211, the lower support rod I212 and the lower support rod II213. A plurality of reinforcing support rods 215 are provided between the upper support rod 211, the lower support rod I212 and the lower support rod II213, and a main frame fixing plate 214 is provided at the upper end between the upper support rod 211, the lower support rod I212 and the lower support rod II213.

[0023] Example 3

[0024] like Figures 1 to 6 As shown, an adjustable base comprises: a main body support frame 1, a plurality of adjustment support arms 2 are arranged on the outer side of the main body support frame 1, the lower end of the adjustment support arm 2 is installed on the support fixing pad 3, the adjustment support arm 2 comprises an upper support arm frame 21, the upper end of the upper support arm frame 21 is installed on the main body support frame 1 by fixing bolts, the lower end of the upper support arm frame 21 is welded and fixed on the support arm fixing seat 22, the support arm fixing seat 22 is installed on the output end of the adjustment support seat 23 by fixing bolts, the lower end of the adjustment support seat 23 is installed on the support fixing pad 3, a plurality of main body fixing holes are arranged on the main body support frame 1, and the main body support frame 1 is installed on the tower crane support body by fixing bolts.

[0025] A plurality of adjustable support arms 2 are provided on the outside of the main support frame 1 of the utility model, and the lower ends of the adjustable support arms 2 are installed on the support fixing pad 3. The adjustable support arms 2 include an upper support arm frame 21, and the upper ends of the upper support arm frame 21 are installed on the main support frame 1 by fixing bolts, and the lower ends of the upper support arm frame 21 are welded and fixed on the support arm fixing seat 22, and the support arm fixing seat 22 is installed on the output end of the adjustable support seat 23 by fixing bolts, and the lower ends of the adjustable support seats 23 are installed on the support fixing pad 3, which can not only realize the rapid installation and fixation of the tower crane body, but also can quickly adjust the tower crane height or support position according to needs, which is very convenient to use.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. 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, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An adjustable base, comprising: A main body support frame (1), wherein a plurality of adjustable support arms (2) are arranged on the outside of the main body support frame (1), wherein the lower ends of the adjustable support arms (2) are mounted on a support fixing pad (3), and wherein the adjustable support arms (2) comprise an upper support arm frame (21), wherein the upper ends of the upper support arm frame (21) are mounted on the main body support frame (1) by means of fixing bolts, wherein the lower ends of the upper support arm frame (21) are welded and fixed on a support arm fixing seat (22), wherein the support arm fixing seat (22) is mounted on the output end of the adjustable support seat (23) by means of fixing bolts, wherein the lower ends of the adjustable support seats (23) are mounted on the support fixing pad (3), wherein the adjustable support arms (21 ... The support seat (23) comprises an upper lifting drive seat (233) and a lower lifting support seat (234); a lifting drive device (232) is provided between the upper lifting drive seat (233) and the lower lifting support seat (234); the upper end of the lifting drive device (232) is mounted on the upper lifting drive seat (233) via a driving pad (231); a plurality of bolt fixing holes are provided on the upper lifting drive seat (233); the lower end of the lower lifting support seat (234) is welded and fixed on a connecting and fixing base plate (235); the lower end of the lifting drive device (232) is fixedly mounted on the connecting and fixing base plate (235); and a plurality of bolt fixing holes are provided on the connecting and fixing base plate (235).

2. An adjustable base according to claim 1, characterized in that: The upper lifting drive seat (233) is provided with a lifting guide groove, and the lower lifting support seat (234) is inserted into the lifting guide groove on the upper lifting drive seat (233).

3. The adjustable base according to claim 1, characterized in that: The lifting drive device (232) comprises a lifting drive frame (43), a plurality of lifting drive plates (44) are provided at the upper end of the lifting drive frame (43), a connecting fixed shaft (45) is provided on the lifting drive plate (44), the lifting drive frame (43) is mounted on a lifting drive block (42), and the lifting drive block (42) is mounted on the output end of the lifting drive cylinder (41).

4. The adjustable base according to claim 1, characterized in that: The adjustable support arm (2) comprises an upper support rod (211), a lower support rod I (212) and a lower support rod II (213) are arranged on the lower side of the upper support rod (211), and a triangular frame structure is formed between the upper support rod (211), the lower support rod I (212) and the lower support rod II (213).

5. The adjustable base according to claim 4, characterized in that: A plurality of reinforcing support rods (215) are arranged between the upper support rod (211), the lower support rod I (212), and the lower support rod II (213); and a main frame fixing plate (214) is arranged at the upper end between the upper support rod (211), the lower support rod I (212), and the lower support rod II (213).

6. The adjustable base according to claim 1, characterized in that: The main body support frame (1) is provided with a plurality of main body fixing holes, and the main body support frame (1) is mounted on the tower crane support body by means of fixing bolts.

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