CN212254585U - Special stringing platform for full-automatic lever block - Google Patents

Abstract

The utility model provides a special stringing platform of lever block contains the frame that is fixed in ground and is fixed in the motor in the frame and is located that the motor below corresponds the waiting of placing and treats lever block, lever block's handle axis of rotation and the coaxial setting of motor output shaft, coaxial being fixed with the bent axle on the output shaft of motor, being fixed with the sleeve on lever block's the handle, the hexagonal bolt end pass the crank and with sleeve cavity threaded connection, the utility model relates to a special stringing platform of full-automatic lever block can realize the flexible tightening up of lever block chain, replaces manual operation, and greatly reduced test process's safe risk can improve lever block's test efficiency simultaneously again.

Description

Special stringing platform for full-automatic lever block

Technical Field

The utility model relates to a special stringing platform of full-automatic lever block.

Background

A chain block is a tool for tightening a stay wire during stringing construction, adjusting the position of equipment or equipment and tensioning in other construction processes. The chain tensioning device comprises components such as a wall plate, a gear, a light chain wheel, a wrench, a hook frame and the like, wherein the hook frame component is installed on a chain, one end of a hook is fixed on the end of a lead or a rope in actual work, the chain wheel component is driven to rotate through the wrench, the chain is continuously retracted, and therefore the purposes of tensioning and loosening are achieved.

The main content of the chain block periodic test is to check whether the chain has the phenomena of fracture, slipping and the like in the tightening process, and the test flow at the present stage is as follows: one end of the lever block is connected with the ground anchor through a steel wire rope, the other end of the lever block is connected to the vertical testing machine, after the installation is completed, 1 worker simultaneously rotates the wrench on the block to continuously tension the chain, when the tension force reaches a specified force value, the rotation is stopped, the specified time is kept, and the chain is judged to be qualified after phenomena such as slipping, breaking and the like do not occur. In the test process at present stage, the tensioning of lever block is accomplished by the manual work with the help of instrument rotary spanner, if the chain appears skidding or splitting, produces huge resilience force and makes the workman lose the control to the spanner, has very big potential safety hazard, and the manual work tightens up operating efficiency too low in addition, has reduceed lever block's test efficiency greatly.

Disclosure of Invention

The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that current lever block test work efficiency is low, intensity of labour is high, and the potential safety hazard is big.

The utility model discloses a concrete implementation scheme is: a special stringing platform for a full-automatic lever block comprises a rack fixed on the ground, a motor fixed on the rack and a lever block to be detected, wherein the lever block to be detected is correspondingly arranged below the motor, a handle rotating shaft of the lever block is coaxially arranged with an output shaft of the motor, a crankshaft is coaxially fixed on the output shaft of the motor, a sleeve is fixed on a handle of the lever block, and a hexagonal bolt end penetrates through the crank and is in threaded connection with an inner cavity of the sleeve.

Further, the bottom of the rack is formed by welding transverse and longitudinal square steel, and the bottom of the rack is connected with a U-shaped positioning pressing plate through a square steel bolt.

Furthermore, the U-shaped positioning pressing plate is buckled on the periphery of the shell of the lever block so as to prevent the lever block from tipping and displacing in the test process.

Furthermore, the left side surface and the right side surface of the frame are respectively welded by two channel steels to form a tripod, the rear side of the frame is welded with two long channel steels, the middle part of the frame is fixed with a side plate, the side plate is connected with the motor through a bolt,

further, the frame front side is provided with waist round hole, curb plate and motor base are through the locking bolt fixed connection who runs through curb plate, motor base and waist round hole, the welding of curb plate lateral part has the curb plate angle steel, and the welding of curb plate angle steel outside has the spring, the side that the frame is located the curb plate is fixed with spacing angle steel, the spring other end welds on the spacing angle steel.

Furthermore, the motor is a low-speed heavy-load motor with a reduction box, and the rotating speed is 5-10 r/min.

Furthermore, a plurality of groups of motors and the lever block to be detected are arranged on the stringing platform.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a special stringing platform of full-automatic lever block can realize that the mobility of lever block chain tightens up, replaces manual operation, and the safety risk of greatly reduced experimentation can improve lever block's test efficiency simultaneously again.

Drawings

Fig. 1 is an assembly diagram of the present invention.

Fig. 2 is a left side view of the motor fixing structure of the present invention.

Fig. 3 is a schematic perspective view of the connection structure of the crankshaft and the handle of the present invention.

Fig. 4 is a sectional view of the connecting structure of the sleeve and the crank according to the present invention.

Fig. 5 is a schematic view of the motor and side plate fixing structure of the present invention.

Fig. 6 is a schematic view of the side plate fixing structure of the present invention.

Fig. 7 is a connection diagram of the U-shaped pressing plate, the frame and the lever block of the present invention.

Fig. 8 is a schematic view of the cross-sectional structure of the U-shaped pressing plate, the frame and the lever block of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 8, the wire tightening table specially used for the full-automatic lever block comprises a frame 10 fixed on the ground, a motor 20 fixed on the frame, and a lever block 30 to be detected and correspondingly placed below the motor, wherein a handle rotating shaft of the lever block 30 is coaxially arranged with an output shaft of the motor, a crankshaft 40 is coaxially fixed on the output shaft of the motor, a sleeve 50 is fixed on a handle of the lever block, and a hexagonal bolt 510 penetrates through the crank 40 and is in threaded connection with an inner cavity of the sleeve 50, so that the crankshaft 40 swings by utilizing the reciprocating motion of the motor during operation, and a handle 310 of the lever block is driven to swing.

In this embodiment, through pre-buried rag bolt, the frame is fixed with the ground, frame bottom form including the square steel welding of horizontal and vertical setting, frame bottom square steel bolted connection has U type positioning pressure plate 70, the side is the tripod by two channel-section steel welding respectively about the frame, two root length channel-section steels of frame rear side welding, its middle part is fixed with curb plate 60, curb plate 60 passes through bolted connection with the motor.

In this embodiment, the U-shaped positioning plate 70 is fastened to the periphery of the lever block housing to prevent the lever block from tipping and shifting during the test. The height of the U-shaped positioning pressing plate is determined according to the thickness of the shell of the lever block 30, the lever blocks with different specifications respectively adopt the U-shaped positioning pressing plates 70 with different heights in the test, and the U-shaped positioning pressing plates are connected with the rack through bolts and are easy to replace.

In this embodiment, the handle of the lever block 30 is stressed through the sleeve 50, the hexagonal bolt 510 and the sleeve are connected in a loose connection manner, that is, the lower end of the hexagonal bolt 510 is allowed to slightly shake in the sleeve, and the hexagonal bolt is vertically limited through threads, so that the phenomenon that the motor and the crank are locked is avoided, the sleeve 50 can be respectively designed according to the shape of the handle of the lever block, and the sleeve 50 and the handle can be fixed through bolts or other manners to be fixedly connected with the handle.

In this embodiment, the motor 20 is a low-speed heavy-duty motor with a reduction gearbox, and the rotation speed is controlled to be 5-10 rpm.

In this embodiment, the frame front side is provided with waist round hole 110, curb plate and motor base are through running through curb plate 60, motor base and the locking bolt 111 fixed connection of waist round hole 110, the welding of curb plate 60 lateral part has curb plate angle steel 610, and the welding of curb plate angle steel outside has spring 620, the side that the frame is located the curb plate is fixed with spacing angle steel 630, on the spacing angle steel of spring other end welding. The motor slightly moves in the chain direction in the test process, when the motor moves, the side plate can transversely move for a distance along the channel of the waist round hole and compress the spring, after the test is finished, when the hexagon bolt 510 on the crank is taken down and the connection of the motor of the hoist is released, the side plate 60 and the motor 20 return to the original position under the reaction force of the spring 620.

When the chain tightening device works, a plurality of groups of motors can be arranged on the wire tightening table, the lever of the lever block to be detected is synchronously tested, and the motors are used for controlling the handle of the lever block, so that the chain wheel assembly of the lever block is driven to rotate, the chain is not tensioned or loosened, and the test is carried out.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (7)

1. The special wire tightening table for the full-automatic lever block is characterized by comprising a rack fixed on the ground, a motor fixed on the rack and a lever block to be detected, wherein the lever block to be detected is correspondingly arranged below the motor, a handle rotating shaft of the lever block is coaxially arranged with an output shaft of the motor, a crankshaft is coaxially fixed on the output shaft of the motor, a sleeve is fixed on a handle of the lever block, and a hexagonal bolt end penetrates through the crank and is in threaded connection with an inner cavity of the sleeve.

2. The special stringing platform for the full-automatic lever hoist according to claim 1, wherein the bottom of the rack is formed by welding horizontally and longitudinally arranged square steel, and the square steel at the bottom of the rack is connected with a U-shaped positioning pressing plate through a bolt.

3. The tightening table special for the full-automatic lever block as claimed in claim 2, wherein the U-shaped positioning pressing plate is fastened to the periphery of the lever block housing to prevent the lever block from tipping and shifting during the test.

4. The special stringing platform for the full-automatic lever block according to claim 1 or 2, wherein the left and right side surfaces of the frame are welded with two steel channels to form a tripod, the rear side of the frame is welded with two long steel channels, the middle part of the frame is fixed with a side plate, and the side plate is connected with the motor through a bolt.

5. The special stringing platform for the full-automatic lever block according to claim 4, wherein the front side of the frame is provided with a waist-shaped round hole, the side plate and the motor base are fixedly connected through a locking bolt penetrating through the side plate, the motor base and the waist-shaped round hole, a side plate angle steel is welded on the side portion of the side plate, a spring is welded on the outer side of the side plate angle steel, a limit angle steel is fixed on the side of the frame, and the other end of the spring is welded on the limit angle steel.

6. The tightening table special for the full-automatic lever block as claimed in claim 1 or 2, wherein the motor is a low-speed heavy-duty motor with a reduction box, and the rotating speed is 5-10 rpm.

7. The tightening table special for the full-automatic lever block as claimed in claim 1 or 2, wherein a plurality of sets of motors and lever blocks to be detected are arranged on the tightening table.

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