Wall-attached telescopic pull rod of tower crane

Abstract

The utility model discloses a wall-attached telescopic pull rod of a tower crane, and belongs to the technical field of wall attachment of tower cranes. Comprising an outer rod, an inner rod is slidably connected to the inner wall of the outer rod, a fixing plate is arranged at the other end of the inner rod, an adjusting assembly is arranged on the side wall of the fixing plate, a limiting assembly is arranged on the inner wall of the inner rod, a fixing block is arranged at the other end of a screw, and a lug plate is arranged on the side wall of the fixing block. The hinge seat is driven to move downwards by pressing the button, so that the connecting rod drives the clamping plate to move upwards, the sleeve is rotated to adjust the distance between the fixing plate and the fixing block, construction difficulty is effectively reduced, practicability is improved, the hinge seat is driven to move upwards through resilience force of the spring, and the clamping plate moves downwards to be connected with the screw in a clamping mode. And the sliding stability of the inner rod is improved through the limiting assembly, and the outer rod and the inner rod are conveniently fixed. The structural design facilitates short-distance fine adjustment of the length of the pull rod, is high in practicability, low in production cost and high in stability, and facilitates large-range adjustment of the length of the pull rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane wall attachment technical field more specifically, relate to a tower crane wall attachment telescopic pull rod. BACKGROUND

[0002] In the use process of tower crane, wall attachment device is the important component of ensuring tower crane stability and safety. Wall attachment pull rod needs special customization for specific construction environment, causing waste of manpower and material resources, and being difficult to meet the needs of social development. The present engineering progress cycle is short, tower crane turns in different sites, and the required wall attachment pull rod length is also different, and the construction environment faced is more different. The demand for wall attachment pull rod capable of meeting different construction environments is increasingly strong.

[0003] The traditional wall attachment device mostly adopts fixed length pull rod, but due to the inaccuracy of wall attachment embedded part embedding and pull rod design and production, normal installation cannot be realized and adjustment according to actual conditions is often required. Therefore, a wall attachment telescopic pull rod capable of flexible length adjustment and adapting to different construction environments is required.

[0004] Although the device has many beneficial effects, the following problems still exist: the length of the pull rod is fixed during use, short-distance fine adjustment is not convenient, the practicality is low, the production cost is high, and the device needs to be improved. In view of this, we propose a tower crane wall attachment telescopic pull rod. INVENTION CONTENTS

[0005] 1. Technical problem to be solved

[0006] The utility model aims at providing a tower crane wall attachment telescopic pull rod to solve the problems of fixed length of existing pull rod, inconvenient short-distance fine adjustment, low practicality, high production cost and inconvenient wide-range adjustment of pull rod in the background art.

[0007] 2. Technical scheme

[0008] A tower crane wall attachment telescopic pull rod, comprising an outer rod, an inner rod is slidably connected to the inner wall of the outer rod, a fixed plate is arranged at the other end of the inner rod, an adjusting assembly is arranged on the side wall of the fixed plate, the adjusting assembly comprises a sleeve, threaded rods are arranged at both ends of the circumferential inner wall of the sleeve, a button is slidably connected to the circumferential outer wall of the sleeve, a hinge seat is arranged at the bottom of the button, a spring is arranged at the bottom of the hinge seat, a connecting rod is hingedly connected to the inner wall of the hinge seat, a pin shaft is rotatably connected to the side wall of the connecting rod, a clamping plate is arranged at one end of the bottom of the connecting rod, a limiting assembly is arranged on the inner wall of the inner rod, a fixed block is arranged at the other end of the threaded rod, and an ear plate is arranged on the side wall of the fixed block.

[0009] Preferably, the limiting assembly comprises a sealing plate, a plurality of limiting holes are arranged in the side wall of the sealing plate, a plurality of fixing rods are arranged in the inner cavity of the outer rod, and a limiting plate is arranged at the other end of each fixing rod.

[0010] Preferably, the clamping plate is arc-shaped, and the size of the clamping plate is matched with the size of the screw rod.

[0011] Preferably, the size and position of the limiting hole are matched with the size and position of the fixing rod, and the diameter of the limiting plate is greater than the diameter of the fixing rod.

[0012] Preferably, the top and bottom of the inner rod are provided with rib plates located in the side wall of the fixing plate, and the rib plates are triangular.

[0013] Preferably, the top and bottom of the fixing block are provided with bevels, and the size of the ear plate is matched with the size of the fixing block.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a press button drives the articulated seat to move down, thereby making the connecting rod drive the clamping plate to move up, and the distance between the fixing plate and the fixing block is adjusted by rotating the sleeve pipe, thereby effectively reducing the construction difficulty, reducing the production cost, and being practical, convenient for repeated use of the wall-attached telescopic pull rod, and the articulated seat is driven to move up by the spring rebound force, thereby making the clamping plate move down and clamp the screw rod, and preventing the sleeve pipe from rotating.

[0017] Secondly, the fixing rod passes through the limiting hole, the stability of the inner rod sliding on the inner wall of the outer rod is improved, the limiting plate prevents disengagement, the pin passes through the pin holes in the side wall of the outer rod and the side wall of the inner rod, and the outer rod and the inner rod are fixed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure schematic view of the utility model;

[0019] Figure 2 It is an enlarged schematic view of A in the figure. Figure 1

[0020] Figure 3 It is a partial structure schematic view of the adjusting assembly of the utility model;

[0021] Figure 4 It is a partial structure exploded view of the limiting assembly of the utility model;

[0022] ​Figure 5 Part structure split schematic diagram of the utility model;

[0023] Label explanation in the drawing: 1, outer rod; 2, inner rod; 3, fixed plate; 4, adjusting assembly; 5, limiting assembly; 6, fixed block; 7, ear plate; 8, rib plate; 9, groove; 10, shaft hole; 401, sleeve; 402, screw; 403, button; 404, hinged seat; 405, spring; 406, connecting rod; 407, pin shaft; 408, clamping plate; 501, sealing plate; 502, limiting hole; 503, fixed rod; 504, limiting plate; 505, pin hole. DETAILED DESCRIPTION

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

[0025] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.

[0026] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Please refer to Figures 1-5 , the utility model provides a technical scheme:

[0028] The utility model provides a tower crane wall extension telescopic pull rod, including outer pole 1, the inner wall of outer pole 1 is slidably connected with inner pole 2, and the other end of inner pole 2 is welded with fixed plate 3, and the side wall of fixed plate 3 is welded with adjusting assembly 4, and adjusting assembly 4 includes sleeve 401, and the both ends of the circumference inner wall of sleeve 401 are threadedly connected with screw rod 402, and the bottom of button 403 is fixedly provided with hinged seat 404, and the bottom of hinged seat 404 is fixedly provided with spring 405, and the inner wall of hinged seat 404 is hingedly connected with connecting rod 406, and the side wall of connecting rod 406 is rotatably connected with pin 407 in the middle, and the bottom of connecting rod 406 is fixedly provided with clamping plate 408, and the inner wall of inner pole 2 is welded with limiting assembly 5, and the other end of screw rod 402 is welded with fixed block 6, and the side wall of fixed block 6 is welded with lug 7, the utility model discloses a button 403 is pressed and drives hinged seat 404 to move down, to make connecting rod 406 drive clamping plate 408 to move up, rotate sleeve 401 and adjust the distance between fixed plate 3 and fixed block 6, to effectively reduce the construction difficulty, reduce production cost, and the practicality is strong, is convenient for wall extension telescopic pull rod reuse, the resilience of spring 405 drives hinged seat 404 to move up, to make clamping plate 408 move down and connect screw rod 402, prevent sleeve 401 from rotating.

[0029] Specifically, limiting assembly 5 includes sealing plate 501, a plurality of limiting holes 502 are formed in the side wall of sealing plate 501, a plurality of fixed rods 503 are welded on the side wall of the inner cavity of outer pole 1, the other end of each of the plurality of fixed rods 503 is welded with a limiting plate 504, and a plurality of pin holes 505 are formed in the side wall of outer pole 1 and the side wall of inner pole 2. By passing through the limiting hole 502, the stability of the inner rod 2 sliding in the inner wall of the outer rod 1 is improved, the disengagement is prevented by the limiting plate 504, and the outer rod 1 and the inner rod 2 are fixed by passing through the pin hole 505 in the side wall of the outer rod 1 and the side wall of the inner rod 2.

[0030] Further, the clamping plate 408 is arc-shaped, and the size of the clamping plate 408 matches the size of the screw rod 402. By the arc-shaped clamping plate 408 matching the size of the screw rod 402, it is convenient to better clamp in the gap of the screw rod 402.

[0031] It is worth noting that the size and position of the limiting hole 502 match the size and position of the fixed rod 503, and the diameter of the limiting plate 504 is greater than the diameter of the fixed rod 503. By the limiting hole 502 matching the size and position of the fixed rod 503, the movement of the inner rod 2 is more stable.

[0032] It is worth noting that the inner rod 2 is welded with a rib plate 8 on the side wall of the fixed plate 3 at the top and the bottom, and the rib plate 8 is triangular. By the triangular rib plate 8, the structural strength of the tower crane wall extension telescopic pull rod is improved.

[0033] In addition, the top and bottom of the fixing block 6 are provided with a groove 9, and the size of the lug plate 7 matches the size of the fixing block 6. The groove 9 facilitates the welding filler material to enter, so that the welding is more convenient, thereby making the connection of the lug plate 7 and the fixing block 6 more stable.

[0034] Working principle: when the device is needed to be used for the telescopic pull rod of the tower crane, the lug plate 7 is placed on the side wall of the fixing block 6, the welding filler material is welded into the groove 9, the rib plate 8 is welded on the top and bottom of the inner rod 2, the fixing rod 503 is inserted through the limiting hole 502, the limiting plate 504 is welded on one end of the fixing rod 503, the inner rod 2 is moved to the required length, the pin is inserted through the pin hole 505 on the side wall of the outer rod 1 and the side wall of the inner rod 2, the outer rod 1 and the inner rod 2 are fixed, the button 403 is pressed to drive the hinged seat 404 to move downward, so that the connecting rod 406 drives the clamping plate 408 to move upward, the sleeve 401 is rotated to adjust the distance between the fixing plate 3 and the fixing block 6, the button 403 is released, and the elastic force of the spring 405 drives the hinged seat 404 to move upward, so that the clamping plate 408 moves downward and is clamped in the gap of the circumference of the threaded rod 402.

[0035] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A telescopic wall attachment rod for a tower crane, comprising an outer rod (1), characterised in that: The outer rod (1) inner wall sliding connection has inner rod (2), the other end of the inner rod (2) is equipped with fixed plate (3), the side wall of fixed plate (3) is equipped with adjusting assembly (4), adjusting assembly (4) includes sleeve (401), the circumferential inner wall of sleeve (401) both ends are equipped with screw rod (402), the circumferential outer wall of sleeve (401) is connected with button (403) slidingly, the bottom of button (403) is equipped with hinged seat (404), the bottom of hinged seat (404) is equipped with spring (405), the inner wall of hinged seat (404) is hinged with connecting rod (406), the side wall of connecting rod (406) is rotatably connected with pin shaft (407) in the middle, the bottom of connecting rod (406) one end is equipped with clamping plate (408), the inner wall of inner rod (2) is equipped with limiting assembly (5), the other end of screw rod (402) is equipped with fixed block (6), the side wall of fixed block (6) is equipped with lug plate (7).

2. A tower crane wall attachment telescoping pull rod as claimed in claim 1, characterized in that: The limiting assembly (5) includes the sealing plate (501), the side wall of the sealing plate (501) is provided with a plurality of limiting holes (502), the inner wall of the outer rod (1) is provided with a plurality of fixed rods (503), the other end of the plurality of fixed rods (503) is provided with a plurality of limiting plates (504), the side wall of the outer rod (1) and the side wall of the inner rod (2) are provided with a plurality of pin holes (505).

3. A tower crane wall attachment telescoping pull rod as claimed in claim 2, characterized in that: The clamping plate (408) is arc-shaped, and the size of the clamping plate (408) matches the size of the screw rod (402).

4. A tower crane wall attachment telescoping pull rod as claimed in claim 3, characterized in that: The size and position of the limiting hole (502) match the size and position of the fixed rod (503), and the diameter of the limiting plate (504) is greater than the diameter of the fixed rod (503).

5. A tower crane wall attachment telescoping pull rod as claimed in claim 4, characterised in that: The top and bottom of the inner rod (2) are provided with rib plates (8) located on the side wall of the fixed plate (3), and the rib plates (8) are triangular.

6. A tower crane wall attachment telescoping pull rod as claimed in claim 5, characterised in that: The top and bottom of the fixed block (6) are provided with bevels (9), and the size of the lug plate (7) matches the size of the fixed block (6).

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