CN219009708U

CN219009708U - Square billet prying device convenient to insert lifting appliance

Info

Publication number: CN219009708U
Application number: CN202223569252.5U
Authority: CN
Inventors: 李印财; 吴刚
Original assignee: Jilin Xinda Iron and Steel Co Ltd
Current assignee: Jilin Xinda Iron and Steel Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a square billet prying device convenient for inserting a lifting appliance, which comprises a driving assembly, a push-pull rod, a first crank, a second crank, a first guide rail, a second guide rail, a sliding block, a vehicle body and the lifting appliance. The driving assembly, the first guide rail and the second guide rail are vertically arranged on the vehicle body; the lower end of the driving component is connected with a push-pull rod, the lower end of the push-pull rod is hinged with the first crank throw and the second crank throw, and a prying plate is arranged below the two crank throws; the sliding block is arranged between the first guide rail and the second guide rail, two slotted holes are formed in the sliding block, and the two crank throws are respectively connected with the two slotted holes through pin shafts arranged in the middle of the two crank throws. Under the drive of the driving component, each mechanism is linked to pry up the steel billet rapidly. Compared with the traditional steel billet prying, the utility model has the characteristics of high operation efficiency, high reliability and good safety.

Description

Square billet prying device convenient to insert lifting appliance

Technical Field

The utility model relates to the technical field of lifting, in particular to a device which is suitable for inserting a lifting appliance before automatic steel billet transportation and is lifted by a crane.

Background

Square billets in a steel rolling workshop are often involved in lifting, and before lifting, workers first pry the square billets, then connect a lifting appliance and wait for lifting. The traditional method for prying the square billet is to pry by manually using a pry bar, and mainly has the following problems: firstly, a single person cannot independently complete the operation, and 2-3 persons are often required to cooperate to complete the operation; secondly, steel billets slide in the prying process, and the operation reliability is not high; thirdly, when the steel billet is pried to be sleeved with the lifting appliance, if the steel billet slides down, the danger is brought to operators; fourth, the operation efficiency is low, and the operation requirement that the lifting tool needs to be connected to the steel billet in advance rapidly in automatic lifting operation cannot be met.

The utility model provides a CN202122594932.1, the name is "stacking device convenient to remove for steel billet" includes base subassembly, the lifting subassembly and the two supporting component that are located base subassembly top, base subassembly includes bottom plate and installs a plurality of universal wheels below the bottom plate. The patent mainly solves the problem of quick transfer of the steel billet, but still simply moves the steel billet, and the premise is that the steel billet is already pried off the placing surface, and does not solve the problems of how to prie off the ground and insert the lifting appliance, thereby facilitating subsequent quick lifting.

Disclosure of Invention

The utility model is used for overcoming the defects of the prior art and providing a square billet prying device convenient for inserting a lifting appliance so as to realize the purposes of rapid conveying and safe operation of billets.

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

a square billet prying device for facilitating insertion into a spreader, comprising: the lifting device comprises a driving assembly, a push-pull rod, a first crank, a second crank, a first guide rail, a second guide rail, a sliding block, a vehicle body and a lifting appliance;

the driving assembly, the first guide rail and the second guide rail are vertically arranged on the vehicle body;

the driving assembly is a worm wheel screw rod assembly, and the tail end of the screw rod of the worm wheel screw rod assembly is connected with the upper end of the push-pull rod;

the lower end of the push-pull rod, the upper end of the first crank throw and the upper end of the second crank throw are hinged;

the middle parts of the first crank throw and the second crank throw are respectively provided with a first pin shaft and a second pin shaft, and the lower ends of the first crank throw and the second crank throw are respectively provided with a first pry plate and a second pry plate;

the first guide rail and the second guide rail are provided with guide rail grooves; the two ends of the sliding block are respectively provided with a sliding rail matched with the guide rail grooves, and the sliding block is arranged in the guide rail grooves of the first guide rail and the second guide rail through the sliding rails at the two ends; the sliding block is provided with a first slotted hole matched with the first pin shaft and a second slotted hole matched with the second pin shaft; the first pin shaft is arranged in the first slotted hole and can slide along the first slotted hole; the second pin shaft is arranged in the second slotted hole and can slide along the second slotted hole;

the lifting appliance is matched with the steel billet, and is inserted into one end of the steel billet when the steel billet is pried off the ground;

the trolley body is provided with rollers and pull handles.

According to the square billet prying device convenient to insert the lifting appliance, the vehicle body is composed of the substrate, the first beam and the second beam, the substrate is of a vertical structure, and the first beam and the second beam are vertically arranged below the substrate and fixedly connected with the substrate.

According to the square billet prying device convenient to insert the lifting appliance, the sleeve is additionally arranged, the sleeve is arranged on the vehicle body, the sleeve is provided with the round hole matched with the push-pull rod, and the push-pull rod penetrates through the round hole to form the sliding pair.

According to the square billet prying device convenient to insert the lifting appliance, the end parts of the first prying plate and the second prying plate for prying the billet are triangular pointed ends with slopes.

The square billet prying device convenient to insert the lifting appliance is characterized in that the back surface of the base plate is connected with the reinforcing ribs.

The square billet prying device convenient to insert the lifting appliance is characterized in that the idler wheels are universal wheels.

Advantageous effects

Compared with the traditional steel billet prying mode, the utility model has the following advantages: firstly, the operation can be independently finished by a single person, an operator can pry up the steel billet by using the device, and then the lifting appliance can be quickly connected to the steel billet; secondly, in the prying process, the first prying plate and the second prying plate are driven by two crank throws, a bag clamping type prying operation mode is adopted, steel billets cannot slide, and the operation reliability is high; thirdly, after the steel billet is pried, the first crank and the second crank limit the lateral movement of the steel billet, the first pry plate and the second pry plate drag the steel billet from the lower part, the steel billet cannot slide in the axial direction due to the limitation of the length and the gravity of the steel billet, the sliding of the steel billet is finally limited, and the safety of operators is ensured; fourth, the operating efficiency is high, and the operator can pry up the steel billet only by operating the worm wheel screw rod assembly.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a partial rear view schematic of the present utility model;

FIG. 4 is a partial bottom schematic view of the present utility model;

FIG. 5 is a schematic view in partial cross-section of the present utility model;

FIG. 6 is another partial cross-sectional schematic view of the present utility model

The reference numerals in the drawings are respectively as follows:

1. the device comprises a driving component, 2, a push-pull rod, 3, a first crank, 4, a second crank, 5, a first guide rail, 6, a second guide rail, 7, a sliding block, 8, a vehicle body, 9, a lifting appliance, 10, a sleeve, 11, a steel billet, 3-1, a first pin shaft, 3-2, a first prying plate, 4-1, a second pin shaft, 4-2, a second prying plate, 7-1, a first slot hole, 7-2, a second slot hole, 8-1, a base plate, 8-2, a first beam, 8-3, a second dye, 8-4, a roller, 8-5, a pull handle, 8-1-1 and a reinforcing rib.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples.

Referring to fig. 1 to 6, an apparatus for handling square billets with a pre-inserted spreader, comprising: the device comprises a driving component 1, a push-pull rod 2, a first crank 3, a second crank 4, a first guide rail 5, a second guide rail 6, a sliding block 7, a vehicle body 8, a lifting appliance 9 and a sleeve 10.

The vehicle body 8 is composed of a base plate 8-1, a first beam 8-2 and a second beam 8-3, wherein the base plate 8-1 is of a vertical structure, and the first beam 8-2 and the second beam 8-3 are vertically arranged below the base plate 8-1 and fixedly connected with the base plate 8-1. The back of the base plate 8-1 is connected with a reinforcing rib 8-1-1, which mainly serves to ensure the strength of the base plate 8-1 so as to ensure the reliable operation of the whole prying mechanism. The trolley body 8 is provided with rollers 8-4 and pull handles 8-5; the roller 8-4 is a universal roller, and the pulling direction of the pull handle 8-5 is adjustable.

The drive assembly 1, the first rail 5 and the second rail 6 are vertically mounted on the vehicle body 8. The driving component 1 can be a worm wheel screw rod component or a hydraulic component. When the driving assembly 1 selects a worm wheel screw assembly, the worm wheel screw assembly can be a hand worm wheel screw assembly or a motor driving worm wheel screw assembly, the tail end of a screw of the worm wheel screw assembly is connected with the upper end of the push-pull rod (2), and the connection mode is fixed connection and can be screw connection or welding; when the driving component 1 is a hydraulic component, the hydraulic component consists of a hydraulic cylinder and a hydraulic pump, a piston rod of the hydraulic cylinder is connected with the upper end of the push-pull rod (2), and the connection mode is fixed connection and can be screw connection or welding.

The lower end of the push-pull rod 2, the upper end of the first crank throw 3 and the upper end of the second crank throw 4 are hinged, and the specific hinging mode is that the lower end of the push-pull rod 2, the upper end of the first crank throw 3 and the upper end of the second crank throw 4 are hinged on the same hinge shaft, so that the push-pull rod 2, the first crank throw 3 and the second crank throw 4 can move mutually in the same plane, namely, the push-pull rod 2 drives the first crank throw 3 and the second crank throw 4 to move through pushing or pulling.

The worm wheel screw rod assembly can be driven by a motor or a hand-operated worm wheel screw rod assembly, and mainly provides power to realize up-and-down movement of the screw rod 1; the up-and-down movement of the screw rod 1 is finally converted into the clamping movement of the upper end of the first crank throw 3 and the second crank throw 4, and the clamping and prying movement of the billet 11 is formed.

The sleeve 10 is arranged on the vehicle body 8, a round hole matched with the push-pull rod 2 is formed in the sleeve, and the push-pull rod 2 passes through the round hole to form a sliding pair; the sleeve 10 serves to strengthen the constraint on the push-pull rod 2, ensuring a more stable overall transmission.

The middle parts of the first crank throw 3 and the second crank throw 4 are respectively provided with a first pin shaft 3-1 and a second pin shaft 4-1, and the lower ends of the first crank throw 3 and the second crank throw 4-1 are respectively provided with a first prying plate 3-2 and a second prying plate 4-2. The end part of the first prying plate 3-2 and the second prying plate 4-2 prying the steel billet 11 is provided with a triangular pointed end with a gradient; the triangular design with the slopes is to facilitate the reliable insertion of the first skid 3-2 and the second skid 4-2 into the bottom of the billet 11.

The first guide rail 5 and the second guide rail 6 are provided with guide rail grooves which can be dovetail-shaped guide rail grooves, rectangular guide rail grooves or triangular guide rail grooves; the two ends of the sliding block 7 are provided with sliding rails matched with the guide rail grooves, and the sliding block 7 is arranged in the guide rail grooves of the first guide rail 5 and the second guide rail 6 through the sliding rails at the two ends; the sliding block 7 is provided with a first slotted hole 7-1 matched with the first pin shaft 3-1 and a second slotted hole 7-2 matched with the second pin shaft 4-1, and the first slotted hole 7-1 and the second slotted hole 7-2 are strip-shaped slotted holes with arc-shaped two ends; the first pin shaft 3-1 is arranged in the first slotted hole 7-1 and can slide along the first slotted hole 7-1; the second pin 4-1 is installed in the second slot 7-2 and can slide along the second slot 7-2.

The hanger 9 is matched with the steel billet 11, when the steel billet 11 is pried off the ground, the hanger 9 is inserted into one end of the steel billet 11, and the hanger 9 is provided with a fastening bolt for preventing the steel billet 11 from sliding.

Claims

1. A square billet prying device for facilitating insertion into a spreader, comprising: the lifting device comprises a driving assembly (1), a push-pull rod (2), a first crank (3), a second crank (4), a first guide rail (5), a second guide rail (6), a sliding block (7), a vehicle body (8) and a lifting appliance (9);

the driving assembly (1), the first guide rail (5) and the second guide rail (6) are vertically arranged on the vehicle body (8);

the driving assembly (1) is a worm wheel screw rod assembly, and the tail end of the screw rod of the worm wheel screw rod assembly is connected with the upper end of the push-pull rod (2);

the lower end of the push-pull rod (2), the upper end of the first crank throw (3) and the upper end of the second crank throw (4) are hinged;

the middle parts of the first crank throw (3) and the second crank throw (4) are respectively provided with a first pin shaft (3-1) and a second pin shaft (4-1), and the lower ends of the first crank throw (3-2) and the second crank throw (4-2) are respectively provided with a first prying plate;

the first guide rail (5) and the second guide rail (6) are provided with guide rail grooves; the two ends of the sliding block (7) are respectively provided with sliding rails matched with the guide rail grooves, and the sliding block (7) is arranged in the guide rail grooves of the first guide rail (5) and the second guide rail (6) through the sliding rails at the two ends; the sliding block (7) is provided with a first slotted hole (7-1) matched with the first pin shaft (3-1), and a second slotted hole (7-2) matched with the second pin shaft (4-1); the first pin shaft (3-1) is arranged in the first slotted hole (7-1) and can slide along the first slotted hole (7-1); the second pin shaft (4-1) is arranged in the second slotted hole (7-2) and can slide along the second slotted hole (7-2);

the lifting appliance (9) is matched with the steel billet (11), and when the steel billet (11) is pried off the ground, the lifting appliance (9) is inserted into one end of the steel billet (11);

the trolley body (8) is provided with rollers (8-4) and pull handles (8-5).

2. The square billet prying device convenient for inserting a lifting appliance according to claim 1, wherein the vehicle body (8) is composed of a base plate (8-1), a first beam (8-2) and a second beam (8-3), the base plate (8-1) is of a vertical structure, and the first beam (8-2) and the second beam (8-3) are vertically arranged below the base plate (8-1) and fixedly connected with the base plate (8-1).

3. The square billet prying device convenient for inserting the lifting appliance according to claim 2 is characterized in that a sleeve (10) is additionally arranged, the sleeve (10) is arranged on a vehicle body (8) and is provided with a round hole matched with a push-pull rod (2), and the push-pull rod (2) passes through the round hole to form a sliding pair.

4. A square billet prying device for facilitating insertion of a lifting appliance according to claim 3, wherein the ends of the first pry plate (3-2) and the second pry plate (4-2) prying the billet (11) are provided as triangular pointed ends with slopes.

5. The square billet prying device convenient for inserting a lifting appliance according to claim 4, wherein the back surface of the base plate (8-1) is connected with a reinforcing rib (8-1-1).

6. The square billet prying apparatus for facilitating insertion of a spreader according to claim 5, wherein the rollers (8-4) are universal wheels.