Embedded base for attachment connection of tower crane

Abstract

The utility model discloses a pre-embedded base for attachment connection of a tower crane, which belongs to the technical field of constructional engineering connecting pieces and comprises a positioning plate. The lug plate assembly is located in front of the positioning plate, and the lug plate assembly is located in the clamping assembly; and the clamping assembly is located in front of the positioning plate, and the clamping assembly is located on the periphery of the lug plate assembly. When a worker pre-embeds the base, the pre-embedded base is disassembled through the holes in the positioning plate, and the attached embedded part can be disassembled after building construction is completed, so that the purposes of being repeatedly used and reducing the production cost are achieved; when the lug plate is installed on the building beam, the limiting block and the damping spring on the buffer plate play a role in buffering the tensile force of the attached pull rod, and the effect that the lug plate is cracked due to the tensile force generated by the attached pull rod is protected; when the limiting block is connected with the attachment pull rod, the limiting block is clamped and fixed through the second clamping block and the first clamping block on the support, and the effect that accidents are caused when the attachment pull rod moves up and down is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building engineering connecting piece, concretely relates to a tower crane attached connection pre -buried base. BACKGROUND

[0002] In modern building engineering construction, the building scale expands unceasingly and the construction difficulty increases day by day, and tower crane becomes an indispensable part in building construction with its unique structural characteristics and excellent hoisting capacity. In the construction process, with the change of engineering progress and construction demand, the height of tower crane often needs to be adjusted. When the lifting height of tower crane exceeds the requirement of instruction manual, the attachment device must be installed between tower body and building;

[0003] When the tower crane installs attachment device with building in engineering construction, the embedded part is usually embedded in building structure. When the building structure only has beam and does not set shear wall, the attachment device cannot use the embedded part described in instruction manual, and the connecting lug plate of embedded part described in instruction manual is all vertically welded. When the attachment pull rod is connected with lug plate, the lug plate is pulled apart by transverse shear force.

[0004] To solve the above problems, a tower crane attached connection pre -buried base is provided in the application. CONTENT OF UTILITY MODEL

[0005] In view of the problems in the related art, the utility model provides a tower crane attached connection pre -buried base to overcome the above technical problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A tower crane attached connection pre -buried base, comprising a positioning plate, an lug plate assembly, the lug plate assembly is located in front of the positioning plate, and the lug plate assembly is located in the clamping assembly; clamping assembly, located in front of the positioning plate, and the clamping assembly is located around the lug plate assembly;The lug plate assembly contains lug plate, buffer plate, notch, limit block, clamping block, buffer block and damping spring, one side of the positioning plate is fixedly connected with third steel plate, one side of the third steel plate is fixedly connected with lug plate, the side away from the third steel plate of the lug plate is fixedly connected with buffer plate, the inside of the buffer plate is provided with notch, the front of the lug plate is provided with limit block, and the limit block is located between the buffer plates, the both ends of the limit block are fixedly connected with clamping block, and the clamping block is located in the notch, and the clamping block and the notch are slidingly connected, the inside of the notch is provided with buffer block, and the buffer block is located at the bottom of the clamping block, the bottom of the buffer block is provided with damping spring, one end of the damping spring is fixedly connected with the bottom of the buffer block, and the other end of the damping spring is fixedly connected with the bottom of the notch.

[0008] Preferably, the clamping assembly comprises a bracket, a motor, a telescopic rod, a first clamping block, a gear, a threaded rod and a second clamping block, the buffer plate is fixedly connected with the bracket on the side away from the limiting block, the top of the bracket is rotatably connected with the motor, the output shaft of the motor is fixedly connected with the telescopic rod, the output shaft of the telescopic rod is fixedly connected with the first clamping block, and the first clamping block is located above the limiting block.

[0009] Preferably, the bottom of the bracket is fixedly connected with the gear, and the bottom of the threaded rod is fixedly connected with the inner cavity bottom of the bracket.

[0010] Preferably, the circumferential outer wall of the threaded rod is slidably connected with the second clamping block, the second clamping block is sleeved on the circumferential outer wall of the threaded rod, and the second clamping block is slidably connected with the threaded rod, and the second clamping block is located below the limiting block.

[0011] Preferably, the side of the positioning plate is symmetrically provided with a first steel plate and a second steel plate, the side of the positioning plate is fixedly connected with a third steel plate, the third steel plate is located between the first steel plate and the second steel plate, and the positioning plate is provided with holes around.

[0012] To sum up, the technical effects and advantages of the utility model are as follows:

[0013] 1: when the staff carries out the embedded base, the embedded base is disassembled through the hole in the positioning plate, and the attached embedded part can also be disassembled after the completion of the building construction, so that the embedded part can be reused and the production cost is reduced;

[0014] 2: when the lug plate is installed on the building beam, the limiting block and the damping spring on the buffer plate play a buffering role on the attached pull rod, and the tensile force generated by the attached pull rod is protected to prevent the lug plate from being pulled apart;

[0015] 3: when the limiting block is connected with the attached pull rod, the second clamping block and the first clamping block on the bracket clamp and fix the limiting block, so that the effect of the attached pull rod moving up and down is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is an exploded structural schematic diagram of the lug plate assembly of the utility model;

[0018] Figure 3 It is a clamping assembly structural schematic diagram of the utility model;

[0019] Figure 4 The utility model discloses a clamping assembly decomposition structure schematic view;

[0020] Figure 5 The utility model discloses a hole structure schematic view.

[0021] In the drawing:

[0022] 1, positioning plate;2, ear plate assembly;201, ear plate;202, buffer plate;203, notched;204, limit block;205, clamping block;206, buffer block;207, damping spring;3, clamping assembly;301, support;302, motor;303, telescopic rod;304, first clamping block;305, gear;306, threaded rod;307, second clamping block;4, hole;5, first steel plate;6, second steel plate;7, third steel plate. DETAILED DESCRIPTION

[0023] 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 a specific orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0024] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0025] In the description of the utility model, it is explained that, unless otherwise specifically provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, 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, can be the communication inside two elements.The specific meaning of the above terms in the utility model can be understood according to the specific circumstances for ordinary skilled persons in the art.

[0026] Reference Figure 1The utility model provides a tower crane attachment connection preburied base, including positioning plate 1, lug plate subassembly 2, lug plate subassembly 2 is located in the front of positioning plate 1, and lug plate subassembly 2 is located inside clamping subassembly 3, clamping subassembly 3 is located in the front of positioning plate 1, and clamping subassembly 3 is located around lug plate subassembly 2, lug plate subassembly 2 includes lug plate 201, buffer plate 202, notch 203, limit block 204, clamping block 205, buffer block 206 and damping spring 207, one side of positioning plate 1 is fixedly connected with third steel plate 7, one side of third steel plate 7 is fixedly connected with lug plate 201, the side away from third steel plate 7 of lug plate 201 is fixedly connected with buffer plate 202, the inside of buffer plate 202 is provided with notch 203, the front of lug plate 201 is provided with limit block 204, and limit block 204 is located between buffer plate 202, the both ends of limit block 204 are fixedly connected with clamping block 205, and clamping block 205 is located in notch 203, and clamping block 205 and notch 203 are slidingly connected, the inside of notch 203 is provided with buffer block 206, and buffer block 206 is located at the bottom of clamping block 205, the bottom of buffer block 206 is provided with damping spring 207, one end of damping spring 207 is fixedly connected with the bottom of buffer block 206, and the other end of damping spring 207 is fixedly connected with the bottom of notch 203.

[0027] Further, clamping subassembly 3 includes support 301, motor 302, telescopic rod 303, first clamping block 304, gear 305, threaded rod 306 and second clamping block 307, the side away from limit block 204 of buffer plate 202 is fixedly connected with support 301, the top of support 301 is fixedly connected with motor 302, the output shaft of motor 302 is fixedly connected with telescopic rod 303, the output shaft of telescopic rod 303 is fixedly connected with first clamping block 304, and first clamping block 304 is located above limit block 204. Through the design of support 301, motor 302, telescopic rod 303 and first clamping block 304, the top of limit block 204 is fixed.

[0028] Notably, the bottom of support 301 is fixedly connected with gear 305, the inner cavity bottom of support 301 is rotatably connected with threaded rod 306, and the bottom of threaded rod 306 is fixedly connected with the top of gear 305. Through the design of gear 305 and threaded rod 306, the output shaft of motor 302 is rotated to make threaded rod 306 rotate, and when threaded rod 306 rotates, second clamping block 307 moves up and down on threaded rod 306.

[0029] It is worth noting that the outer wall of the circumference of the threaded rod 306 is slidingly connected with the second clamping block 307, and the second clamping block 307 is sleeved on the outer wall of the circumference of the threaded rod 306, and the second clamping block 307 is slidingly connected with the threaded rod 306, and the second clamping block 307 is located below the limiting block 204. The threaded rod 306 and the second clamping block 307 are designed to fix the bottom of the limiting block 204.

[0030] It is worth noting that the outer wall of the circumference of the threaded rod 306 is slidingly connected with the second clamping block 307, and the second clamping block 307 is sleeved on the outer wall of the circumference of the threaded rod 306, and the second clamping block 307 is slidingly connected with the threaded rod 306, and the second clamping block 307 is located below the limiting block 204. The threaded rod 306 and the second clamping block 307 are designed to fix the bottom of the limiting block 204.

[0031] Working principle:

[0032] 1: When the staff installs the embedded base, the hole 4 on the positioning plate 1 is fixed and disassembled on the building beam;

[0033] 2: When the staff installs the attached pull rod connecting lug plate 201, the limiting block 204 on the buffer plate 202 is connected to the attached pull rod, and the limiting block 204 of the connected attached pull rod is buffered by the buffer block 206 and the damping spring 207 inside the buffer plate 202.

[0034] 3: When the staff fixes the limiting block 204, the first clamping block 304 on the telescopic rod 303 is moved downward to clamp the limiting block 204 by starting the motor 302 at the top of the support 301, and the threaded rod 306 inside the support 301 is rotated by rotating the gear 305 at the bottom of the support 301, when the threaded rod 306 rotates, the second clamping block 307 on the threaded rod 306 moves up and down to clamp and fix the limiting block 204.

[0035] The above shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A tower crane attachment connection pre-embedded base, characterized in that, Positioning plate (1); ear plate assembly (2), the ear plate assembly (2) is located in front of positioning plate (1), and ear plate assembly (2) is located inside clamping assembly (3); Clamping assembly (3), located in front of positioning plate (1), and clamping assembly (3) is located around ear plate assembly (2); The ear plate assembly (2) includes ear plate (201), buffer plate (202), notch (203), limit block (204), clamping block (205), buffer block (206) and damping spring (207), one side of the positioning plate (1) is fixedly connected with third steel plate (7), one side of the third steel plate (7) is fixedly connected with ear plate (201), the side away from the third steel plate (7) of the ear plate (201) is fixedly connected with the buffer plate (202), the inside of the buffer plate (202) is provided with the notch (203), the front of the ear plate (201) is provided with the limit block (204), and the limit block (204) is located between the buffer plate (202), the both ends of the limit block (204) are fixedly connected with the clamping block (205), and the clamping block (205) is located in the notch (203), and the clamping block (205) and the notch (203) are slidingly connected, the inside of the notch (203) is provided with the buffer block (206), and the buffer block (206) is located at the bottom of the clamping block (205), the bottom of the buffer block (206) is provided with the damping spring (207), one end of the damping spring (207) is fixedly connected with the bottom of the buffer block (206), and the other end of the damping spring (207) is fixedly connected with the bottom of the notch (203).

2. A tower crane attachment connection pre-embedded base according to claim 1, characterized in that, The clamping assembly (3) includes support (301), motor (302), telescopic rod (303), first clamping block (304), gear (305), threaded rod (306) and second clamping block (307), the side away from the limit block (204) of the buffer plate (202) is fixedly connected with the support (301), the top of the support (301) is fixedly connected with the motor (302), the output shaft of the motor (302) is fixedly connected with the telescopic rod (303), the output shaft of the telescopic rod (303) is fixedly connected with the first clamping block (304), and the first clamping block (304) is located above the limit block (204).

3. A tower crane attachment connection pre-embedded base according to claim 2, characterized in that, The bottom of the support (301) is fixedly connected with the gear (305), the inner cavity bottom of the support (301) is rotatably connected with the threaded rod (306), and the bottom of the threaded rod (306) is fixedly connected with the top of the gear (305).

4. A tower crane attachment connection pre-embedded base according to claim 3, characterized in that, The circumferential outer wall of the threaded rod (306) is slidingly connected with the second clamping block (307), the second clamping block (307) is sleeved on the circumferential outer wall of the threaded rod (306), and the second clamping block (307) and the threaded rod (306) are slidingly connected, and the second clamping block (307) is located below the limit block (204).

5. A tower crane attachment connection pre-embedded base according to claim 1, characterized in that, One side of the positioning plate (1) is symmetrically distributed with a first steel plate (5) and a second steel plate (6), and a third steel plate (7) is located between the first steel plate (5) and the second steel plate (6), and the positioning plate (1) is provided with holes (4) around.

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