Telescopic derrick

Abstract

The telescopic derrick comprises a bottom plate, moving mechanisms are arranged on the left side and the right side of the bottom plate respectively, a first opening is formed in the top of the bottom plate, supports are arranged on the left side and the right side of the top of the bottom plate respectively, and first telescopic mechanisms are arranged on the tops of the two supports respectively. A top plate is arranged between the two sets of first telescopic mechanisms, a second opening is formed in the top of the top plate, side plates are arranged on the left side and the right side of the top of the top plate, second telescopic mechanisms are arranged on the tops of the two sets of side plates, a mounting plate is arranged between the two sets of second telescopic mechanisms, and a roller mechanism is arranged at the bottom of the mounting plate. The moving mechanism comprises a moving plate, the moving plate is arranged on one side of the bottom plate, a moving groove is formed in the bottom of the moving plate, and the problems that the length of an existing derrick cannot be freely adjusted, objects are inconvenient to lift and unload according to requirements, and the applicability is limited are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of derrick, especially to a telescopic derrick. BACKGROUND

[0002] The derrick is a device for placing a crown block, suspending a traveling block, a hook, a lifting ring, a lifting clamp and other tools, and hoisting and storing a drill pipe, a tubing and a sucker rod during drilling or well repairing. The derrick is composed of a main body, a crown block platform, a crown block frame, a second floor, a stand pipe platform and a working ladder. The drilling derrick can be divided into four basic types, i.e. a tower derrick, a front opening derrick, an A-type derrick and a mast derrick according to the main features of the overall structure.

[0003] However, the existing derrick cannot freely adjust the length, is inconvenient for lifting and unloading objects according to requirements, and has limited applicability. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the utility model aims to provide a telescopic derrick, which can solve the problem that the existing derrick cannot freely adjust the length, is inconvenient for lifting and unloading objects according to requirements, and has limited applicability.

[0006] To solve the above technical problems, the utility model provides a telescopic derrick, which adopts the following technical scheme: a bottom plate is provided, moving mechanisms are arranged on the left and right sides of the bottom plate, a first opening is formed in the top of the bottom plate, supports are arranged on the left and right sides of the top of the bottom plate, first telescopic mechanisms are arranged on the top of the two groups of supports, a top plate is arranged between the two groups of first telescopic mechanisms, a second opening is formed in the top of the top plate, side plates are arranged on the left and right sides of the top of the top plate, second telescopic mechanisms are arranged on the top of the two groups of side plates, an installation plate is arranged between the two groups of second telescopic mechanisms, and a roller mechanism is arranged on the bottom of the installation plate.

[0007] Optionally, the moving mechanism comprises a moving plate, the moving plate is arranged on one side of the bottom plate, a moving slot is formed in the bottom of the moving plate, a moving telescopic rod is arranged on the top of the inner cavity of the moving slot, the moving telescopic rod is an electric telescopic rod, a moving sliding plate is arranged on the bottom of the moving telescopic rod, and universal wheels are arranged on the left and right sides of the bottom of the moving sliding plate.

[0008] By adopting the above technical scheme, the derrick can be conveniently pushed to move.

[0009] Optionally, the bottom of the left and right sides of the moving plate is provided with a fixed plate, and a fixing hole is formed in the two groups of fixed plates.

[0010] Through the above technical scheme, the derrick is installed and fixed.

[0011] Optionally, the first telescopic mechanism comprises a first connecting plate, the first connecting plate is arranged at the top of the support, and the bottom of the first connecting plate is provided with a first hydraulic rod, and the bottom of the first hydraulic rod is connected with the top of the top plate.

[0012] Through the above technical scheme, the top plate is driven to move up and down.

[0013] Optionally, the second telescopic mechanism comprises a second connecting plate, the second connecting plate is arranged at the top of the side plate, and the bottom of the second connecting plate is provided with a second hydraulic rod, and the bottom of the second hydraulic rod is connected with the top of the mounting plate.

[0014] Through the above technical scheme, the mounting plate is driven to move up and down.

[0015] Optionally, the roller mechanism comprises two groups of roller plates, the two groups of roller plates are arranged at the left and right sides of the bottom of the mounting plate respectively, a roller rod is rotatably connected between the two groups of roller plates, and a roller is sleeved on the outer side of the roller rod.

[0016] Through the above technical scheme, the hook is installed.

[0017] To sum up, the utility model discloses at least one beneficial effect, through the first telescopic mechanism and the second telescopic mechanism are cooperated, can freely adjust the length of derrick according to demand, conveniently lift and unload the object, and the applicability is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0019] Fig. 1 It is the structural schematic diagram of the utility model;

[0020] Fig. 2 It is the sectional structure schematic diagram of the moving mechanism of the utility model;

[0021] Fig. 3 It is the front structure schematic diagram of the utility model.

[0022] Explanation of reference signs: 1, bottom plate; 2, moving mechanism; 201, moving plate; 202, moving groove; 203, moving telescopic rod; 204, moving slide plate; 205, universal wheel; 206, fixed plate; 207, fixed hole; 3, first opening; 4, support; 5, first telescopic mechanism; 501, first connecting plate; 502, first hydraulic rod; 6, top plate; 7, second opening; 8, side plate; 9, second telescopic mechanism; 901, second connecting plate; 902, second hydraulic rod; 10, mounting plate; 11, roller mechanism; 111, roller plate; 112, roller rod; 113, roller. DETAILED DESCRIPTION

[0023] The following will be described in detail with reference to the accompanying drawings. Figs. 1-3 The utility model is further described in detail.

[0024] Embodiment one, refer to Fig. 1 In order to solve the problem that the existing derrick cannot freely adjust the length, it is inconvenient to lift and unload objects according to requirements, and the applicability is limited, in the embodiment, the utility model discloses a telescopic derrick, including bottom plate 1, the left and right sides of bottom plate 1 are equipped with moving mechanism 2, the top of bottom plate 1 is equipped with first opening 3, the top of bottom plate 1 is equipped with support 4 on the left and right sides, the top of two groups of support 4 is equipped with first telescopic mechanism 5, two groups of first telescopic mechanism 5 are equipped with top plate 6, the top of top plate 6 is equipped with second opening 7, the top of top plate 6 is equipped with side plate 8 on the left and right sides, the top of two groups of side plate 8 is equipped with second telescopic mechanism 9, two groups of second telescopic mechanism 9 are equipped with mounting plate 10, and mounting plate 10 is equipped with roller mechanism 11 at the bottom.

[0025] Based on the above features, the working principle of the embodiment is: in use, control two groups of second telescopic mechanism 9 to elongate, drive mounting plate 10 to move downward, after the lifting hook passes through roller mechanism 11, control two groups of second telescopic mechanism 9 to shorten, drive mounting plate 10 to move upward, control two groups of first telescopic mechanism 5 to shorten, drive top plate 6 to move upward, top plate 6 drives mounting plate 10 to move upward, and the length of the derrick is adjusted.

[0026] Embodiment two, refer to Figs. 2-3In order to solve the problem that the existing derrick cannot freely adjust the length, is inconvenient to lift and unload objects according to requirements, and has limited applicability, based on the same concept as the first embodiment, the telescopic derrick further comprises a moving mechanism 2, the moving mechanism 2 comprises a moving plate 201, the moving plate 201 is arranged on one side of the bottom plate 1, a moving slot 202 is formed in the bottom of the moving plate 201, a moving telescopic rod 203 is arranged at the top of the inner cavity of the moving slot 202, the moving telescopic rod 203 is an electric telescopic rod, a moving sliding plate 204 is arranged at the bottom of the moving telescopic rod 203, universal wheels 205 are arranged at the bottom of the moving sliding plate 204, fixed plates 206 are arranged at the bottom of the moving plate 201, fixed holes 207 are formed in the two groups of fixed plates 206, the first telescopic mechanism 5 comprises a first connecting plate 501, the first connecting plate 501 is arranged at the top of the support 4, a first hydraulic rod 502 is arranged at the bottom of the first connecting plate 501, the bottom of the first hydraulic rod 502 is connected with the top of the top plate 6, the second telescopic mechanism 9 comprises a second connecting plate 901, the second connecting plate 901 is arranged at the top of the side plate 8, a second hydraulic rod 902 is arranged at the bottom of the second connecting plate 901, the bottom of the second hydraulic rod 902 is connected with the top of the mounting plate 10, the roller mechanism 11 comprises two groups of roller plates 111, the two groups of roller plates 111 are arranged at the left and right sides of the bottom of the mounting plate 10, respectively, a roller rod 112 is rotatably connected between the two groups of roller plates 111, and a roller 113 is sleeved on the outer side of the roller rod 112.

[0027] Based on the above characteristics, the working principle of the embodiment is that the moving telescopic rod 203 is controlled to be elongated, the moving sliding plate 204 is driven to move downward, the moving sliding plate 204 drives the two groups of universal wheels 205 to move upward, the moving plate 201 is supported, the universal wheels 205 in the two groups of moving mechanisms 2 are moved out, the four groups of universal wheels 205 are matched to support the bottom plate 1, the user moves the derrick to a specified position, the two groups of moving telescopic rods 203 are controlled to be shortened, the four groups of universal wheels 205 are respectively arranged in the two groups of moving slots 202, threaded holes are formed at the positions corresponding to the fixed holes 207, bolts are inserted into the threaded holes, the bolts are tightened, the fixed plates 206 are installed and fixed, the derrick is fixed to the specified position, the two groups of first hydraulic rods 502 are controlled to be telescopic, the top plate 6 is driven to move upward and downward, the two groups of second hydraulic rods 902 are controlled to be telescopic, the mounting plate 10 is driven to move upward and downward, and thus the length of the derrick is adjusted according to requirements, and the derrick is convenient to use.

[0028] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, and therefore: equivalent changes made on the basis of the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A telescopic derrick comprising a base plate (1), characterised in that: The left and right sides of the bottom plate (1) are provided with moving mechanisms (2), the top of the bottom plate (1) is provided with a first opening (3), the top of the left and right sides of the bottom plate (1) is provided with a support (4), the top of the two groups of supports (4) is provided with a first telescopic mechanism (5), the two groups of first telescopic mechanisms (5) are provided with a top plate (6) between them, the top of the top plate (6) is provided with a second opening (7), the top of the left and right sides of the top plate (6) is provided with a side plate (8), the top of the two groups of side plates (8) is provided with a second telescopic mechanism (9), the two groups of second telescopic mechanisms (9) are provided with a mounting plate (10) between them, and the bottom of the mounting plate (10) is provided with a roller mechanism (11).

2. A telescoping derrick according to claim 1, characterized in that: The moving mechanism (2) comprises a moving plate (201), the moving plate (201) is arranged on one side of the bottom plate (1), the bottom of the moving plate (201) is provided with a moving slot (202), the inner cavity top of the moving slot (202) is provided with a moving telescopic rod (203), the moving telescopic rod (203) is an electric telescopic rod, the bottom of the moving telescopic rod (203) is provided with a moving sliding plate (204), and the bottom of the moving sliding plate (204) is provided with a universal wheel (205) on the left and right sides.

3. A telescoping derrick according to claim 2, wherein: The left and right sides of the moving plate (201) are provided with a fixing plate (206), and the fixing holes (207) are formed in the two groups of fixing plates (206).

4. A telescoping derrick according to claim 1, wherein: The first telescopic mechanism (5) comprises a first connecting plate (501), the first connecting plate (501) is arranged on the top of the support (4), the bottom of the first connecting plate (501) is provided with a first hydraulic rod (502), and the bottom of the first hydraulic rod (502) is connected with the top of the top plate (6).

5. A telescoping derrick according to claim 1, wherein: The second telescopic mechanism (9) comprises a second connecting plate (901), the second connecting plate (901) is arranged on the top of the side plate (8), the bottom of the second connecting plate (901) is provided with a second hydraulic rod (902), and the bottom of the second hydraulic rod (902) is connected with the top of the mounting plate (10).

6. An extendable derrick according to claim 1, characterized in that: The roller mechanism (11) comprises two groups of roller plates (111), the two groups of roller plates (111) are arranged on the left and right sides of the bottom of the mounting plate (10) respectively, and a roller rod (112) is rotatably connected between the two groups of roller plates (111).

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