CN218879100U - Lifting machine with a plurality of detection devices - Google Patents

Abstract

The utility model discloses a hoist with multiple detection devices, relates to the technical field of hoist with multiple detection devices, and comprises a support frame and a buffer unit; the inner side of the support frame is slidably connected with a slider along the up and down direction, and the The front side of the slider is provided with a lifting plate along the front and rear direction, the inner side of the support frame is provided with a lifting unit that is connected with the middle part of the slider, and the front left end of the support frame is provided with a detection unit; a buffer unit It includes a square groove, a slide plate, a spring and a support plate. A square groove is opened on the lower side of the lifting plate, and a spring is arranged on the inner upper end of the square groove. Through the spring, the slide plate has an upward buffer force on the inner side of the square groove. , through the skateboard support plate, there is an upward buffer force, so that there is a buffer force when the lower side of the lifting plate contacts the upper side of the lower end of the support frame, preventing the lower side of the lifting plate from contacting the upper side of the lower end of the support frame. Rigid contact between the two leads to damage to the riser.

Description

A hoist with multiple detection devices

technical field

The utility model relates to the technical field of hoists with multiple detection devices, in particular to a hoist with multiple detection devices.

Background technique

The hoist is a large-scale mechanical equipment that is transported by changing the potential energy, such as mine hoist, dam hoist, etc. Broadly speaking, elevators, cranes, winch stabilizers, cranes, hoists, etc. can all be called hoists , hoist - generally refers to large-scale mechanical equipment with high power and strong lifting capacity, and the transportation process is completed by dragging the flexible steel wire rope and the transported goods up and down through the power machinery;

In the process of lifting objects by the hoist, the lower side of the lifting plate is generally in rigid contact with the upper side of the support frame. Long-term use will easily damage the lifting plate itself and cause unnecessary troubles. Therefore, We propose a hoist with multiple detection devices.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a hoist with a plurality of detection devices, which can make the slide plate have an upward buffer force on the inner side of the square groove through the spring, and make the slide plate have an upward buffer force through the support plate of the slide plate. An upward buffer force, so that there is a buffer force when the lower side of the lifting plate contacts the lower upper side of the support frame, preventing the rigid contact between the lower side of the lifting plate and the lower upper side of the supporting frame from causing the lifting plate The phenomenon of damage can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a hoist with multiple detection devices, including a support frame and a buffer unit;

Support frame: the inner side is slidably connected with a slider along the up and down direction, the front side of the slider is provided with a lifting plate along the front and rear direction, and the inner side of the support frame is provided with a lifting unit that cooperates with the middle part of the slider. The front left end of the support frame is provided with a detection unit;

Buffer unit: includes a square groove, a slide plate, a spring and a support plate. A square groove is opened on the lower side of the lifting plate, and a spring is arranged on the inner upper end of the square groove, and the sliding plate passes through the lower end of the spring and the inner side of the square groove. Sliding connection between them along the up and down direction, the underside of the slide plate is provided with a support plate, and the underside of the support plate is fitted and connected with the upper side of the lower end of the support frame.

The lifting unit drives the slider to slide between the inner sides of the support frame in the up and down direction, and the sliding of the slider drives the lifting plate to slide in the up and down direction. The lifting plate realizes the effect of lifting the object, and the detection unit realizes the sliding of the lifting plate. The detection function of the position is to make the slide plate slide through the square slot, and the slide plate has an upward buffer force on the inner side of the square slot through the spring, and an upward buffer force through the support plate of the slide plate, so that there is an upward buffer force on the lower side of the lifting plate. There is a cushioning force when contacting the lower end upper side of the support frame, preventing the hard contact between the lower side of the lifting plate and the lower end upper side of the support frame from causing damage to the lifting plate.

Further, the buffer unit also includes a long keyway and a key block. A long keyway is provided on the front and rear sides of the square groove along the up and down direction, and the upper ends of the front and rear sides of the slide plate are respectively connected to the corresponding key blocks by a key block. The inner side of the long keyway is slidingly connected in the up and down direction.

Under the action of the sliding connection between the upper ends of the front and rear sides of the slide plate and the inner side of the corresponding long key groove respectively through a key block and the inner side of the corresponding long key groove, it prevents the support plate from breaking away from the inner side of the square groove through the slide plate.

Further, the lifting unit includes pulleys, ropes and winding rollers, pulleys are rotatably connected between the upper ends of the inner left and right sides of the support frame through a rotating shaft, and the lower ends of the inner left and right sides of the support frame pass through The rotating shaft is rotatably connected with a winding roller, and the rotating shaft is controlled by an external servo motor. A rope is wound on the outside of the winding roller, and the upper end of the rope passes through the upper side of the pulley and the upper front end of the slider. fixed connection between.

The winding roller is driven by an external servo motor to rotate, and the winding and unwinding of the rope is realized through the rotation of the winding roller, so that the upper end of the rope is driven to slide in the up and down direction under the support of the pulley, and the slider is driven by the sliding of the upper end of the rope. Sliding between the inner sides of the support frame in the up and down direction, the lifting plate is driven to slide in the up and down direction through the sliding of the slider, and the effect of lifting the object is realized through the lifting plate.

Further, the detection unit includes an overtravel detection device, an in-position detection device, an in-position detection trigger end and an overtravel detection trigger end, and the upper left end of the support frame is sequentially provided with an overtravel detection device and an in-position detection device, an in-position detection trigger end and an overtravel detection trigger end are respectively provided on the upper side and the middle part of the left rear end of the lifting plate.

The in-position detection trigger end and overtravel detection trigger end are driven to slide up and down by the sliding of the lifting plate. When the in-position detection trigger end slides to the position of the in-position detection device, the in-position detection device will send the detected information to the external controller, through the external controller Control the function of the lifting plate to stop sliding. When the trigger end of the overtravel detection slides to the position of the overtravel detection device, it proves that the sliding position of the lifting plate exceeds the specified position, and the detected information is sent to the external controller through the overtravel detection device. The controller controls the action of the lifting plate to stop sliding.

Further, the detection unit also includes a deceleration detection device and a deceleration detection trigger end. A deceleration detection device is respectively provided at the upper and lower ends of the left side of the support frame, and the upper deceleration detection device is located between the overtravel detection device and the in-position detection device. The lower side of the device, the lower side of the left rear end of the lifting plate is provided with a deceleration detection trigger end.

When the deceleration detection trigger end slides to the position of the two deceleration detection devices, the detected information is sent to the external controller through the deceleration detection device, and the external controller controls the lifting plate to decelerate and lift to prevent the lifting plate from suddenly stopping and damaging the lifting objects .

Further, it also includes a draw-in slot and a guard rail, a draw-in slot is respectively opened on the four sides of the upper side of the lifting plate, and a guard rail is clamped between the inner sides of the draw-in slot.

The detachable function of the guard rail is realized through the card slot, and the protection effect on the outer side of the upper object on the lifting plate is realized through the guard rail.

Compared with the prior art, the beneficial effect of the utility model is that the hoist with multiple detection devices has the following advantages:

1. The hoist with multiple detection devices is equipped with a hoisting unit, which realizes the winding and unwinding of the rope through the rotation of the winding roller, thereby driving the upper end of the rope to slide in the up and down direction under the support of the pulley. The sliding of the upper end of the rope drives the slider to slide up and down between the inner sides of the support frame, and the lifting plate is driven by the sliding of the slider to realize the lifting effect on the object;

2. The hoist with multiple detection devices is equipped with a detection unit. When the deceleration detection trigger end slides to the position of the two deceleration detection devices, the detected information is sent to the external controller through the deceleration detection device, and the external The controller controls the lifting plate to decelerate and lift to prevent the lifting plate from suddenly stopping and damaging the lifting objects;

3. Through the spring, the slide plate has an upward buffer force on the inner side of the square groove, and through the slide plate support plate, there is an upward buffer force, so that there is a contact between the lower side of the lifting plate and the upper side of the lower end of the support frame. The cushioning force prevents the rigid contact between the lower side of the lifting plate and the upper side of the lower end of the support frame from causing damage to the lifting plate.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural schematic diagram of the sectional structure of the middle part of the left side of the utility model;

Fig. 3 is a schematic diagram of a partially enlarged structure at A in Fig. 2 of the utility model;

Fig. 4 is a schematic diagram of the rear view structure of the utility model.

In the figure: 1 support frame, 2 slider, 3 lifting plate, 4 lifting unit, 41 pulley, 42 rope, 43 winding roller, 5 detection unit, 51 overtravel detection device, 52 in-position detection device, 53 in-position detection trigger end , 54 overtravel detection trigger end, 55 deceleration detection device, 56 deceleration detection trigger end, 6 buffer unit, 61 square groove, 62 slide plate, 63 spring, 64 support plate, 65 long keyway, 66 key block, 7 card slot, 8 fence.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, this embodiment provides a technical solution: a hoist with multiple detection devices, including a support frame 1 and a buffer unit 6;

Support frame 1: the inner side is slidingly connected with the slider 2 along the up and down direction, the front side of the slider 2 is provided with a lifting plate 3 along the front and rear direction, and the inner side of the support frame 1 is provided with a lifting unit that cooperates with the middle part of the slider 2 4. The front left end of the support frame 1 is provided with a detection unit 5;

The lifting unit 4 includes a pulley 41, a rope 42 and a winding roller 43. The upper ends of the left and right sides of the support frame 1 are connected to the pulley 41 through a rotating shaft. A winding roller 43 is connected in rotation, and the rotating shaft is controlled by an external servo motor. A rope 42 is wound outside the winding roller 43, and the upper end of the rope 42 passes between the upper side of the pulley 41 and the upper front end of the slider 2 Fixed connection.

The winding roller 43 is driven by an external servo motor to rotate, and the winding and unwinding of the rope 42 is realized through the rotation of the winding roller 43, thereby driving the upper end of the rope 42 to slide up and down under the support of the pulley 41. The sliding of the upper end drives the slider 2 to slide up and down between the inner sides of the support frame 1, and the sliding of the slider 2 drives the lifting plate 3 to slide in the up and down direction, and the lifting plate 3 realizes the effect of lifting the object.

The detection unit 5 includes an overtravel detection device 51, an in-position detection device 52, an in-position detection trigger end 53, and an overtravel detection trigger end 54. The upper left end of the support frame 1 is sequentially provided with an overtravel detection device 51 and an in-position detection device along the up and down direction. The device 52 is provided with an in-position detection trigger end 53 and an overtravel detection trigger end 54 on the upper side and the middle part of the left rear end of the lifting plate 3 respectively.

The in-position detection trigger end 53 and the overtravel detection trigger end 54 are driven to slide up and down by the sliding of the lifting plate 3. When the in-position detection trigger end 53 slides to the position of the in-position detection device 52, the in-position detection device 52 sends the detected information to the external control The device controls the function of the lifting plate 3 to stop sliding through the external controller. When the overtravel detection trigger end 54 slides to the position of the overtravel detection device 51, it proves that the sliding position of the lifting plate 3 exceeds the specified position, and the overtravel detection device 51 will The detected information is sent to the external controller, and the lifting plate 3 is controlled by the external controller to stop sliding.

The detection unit 5 also includes a deceleration detection device 55 and a deceleration detection trigger end 56. A deceleration detection device 55 is respectively provided at the upper and lower ends of the left side of the support frame 1, and the upper end deceleration detection device 55 is located between the overtravel detection device 51 and the in-position detection device. The lower side of the device 52 , the lower side of the left rear end of the lifting plate 3 is provided with a deceleration detection trigger end 56 .

When the deceleration detection trigger end 56 slides to the position with the two deceleration detection devices 55, the detected information is transmitted to the external controller through the deceleration detection device 55, and the external controller controls the deceleration of the lifting plate 3 to prevent the lifting plate 3 from suddenly falling. Stop damage to lifting objects.

Buffer unit 6: includes a square groove 61, a slide plate 62, a spring 63 and a support plate 64. The lower side of the lifting plate 3 is provided with a square groove 61, and the inner upper end of the square groove 61 is provided with a spring 63. The slide plate 62 passes through the lower end of the spring 63 Slidingly connected with the inner side of the square groove 61 along the up and down direction, the underside of the slide plate 62 is provided with a support plate 64, and the underside of the support plate 64 is connected with the lower end upper side of the support frame 1.

The lifting unit 4 drives the slider 2 to slide up and down between the inner sides of the support frame 1, and the lifting plate 3 is driven to slide in the up and down direction through the sliding of the slider 2, and the lifting plate 3 is used to lift the object. The unit 5 realizes the detection function of the sliding position of the lifting plate 3, and the slide plate 62 realizes the sliding effect through the square groove 61, and the slide plate 62 has an upward buffer force on the inner side of the square groove 61 through the spring 63, and supports the plate 64 through the slide plate 62 There is an upward buffering force, so that there is a buffering force between the lower side of the lifting plate 3 and the upper side of the lower end of the support frame 1, preventing the contact between the lower side of the lifting plate 3 and the upper side of the lower end of the supporting frame 1. The phenomenon that the rigid contact between the lifting plates 3 is damaged.

The buffer unit 6 also includes a long keyway 65 and a key block 66. The inner front and rear sides of the square groove 61 are respectively provided with a long keyway 65 along the up and down direction. The insides of the key grooves 65 are slidably connected in the up and down direction.

The upper ends of the front and rear sides of the slide plate 62 are slidably connected in the up and down direction through a key block 66 and the inner side of the corresponding long key groove 65 to prevent the supporting plate 64 from breaking away from the inner side of the square groove 61 through the slide plate 62 .

It also includes a draw-in slot 7 and a guardrail 8. A draw-in slot 7 is respectively opened on the four sides of the upper side of the lifting plate 3, and a guardrail 8 is clamped between the inner sides of the draw-in slot 7.

The guardrail 8 is detachable through the slot 7, and the guardrail 8 is used to protect the outer side of the object on the upper side of the lifting plate 3.

The working principle of a hoist with multiple detection devices provided by the utility model is as follows:

The winding roller 43 is driven by an external servo motor to rotate, and the winding and unwinding of the rope 42 is realized through the rotation of the winding roller 43, thereby driving the upper end of the rope 42 to slide up and down under the support of the pulley 41, passing through the rope 42 The sliding of the upper end drives the slider 2 to slide up and down between the inner sides of the support frame 1, and the sliding of the slider 2 drives the lifting plate 3 to slide in the up and down direction, and the lifting plate 3 realizes the effect of lifting the object. The sliding of 2 drives the lifting plate 3 to slide up and down, and the lifting plate 3 realizes the effect of lifting the object. When the in-position detection trigger end 53 slides to the position of the in-position detection device 52, the in-position detection device 52 will send the detected information to the external control The device controls the function of the lifting plate 3 to stop sliding through the external controller. When the overtravel detection trigger end 54 slides to the position of the overtravel detection device 51, it proves that the sliding position of the lifting plate 3 exceeds the specified position, and the overtravel detection device 51 will The detected information is sent to the external controller, and the lifting plate 3 is controlled by the external controller to stop sliding. When the deceleration detection trigger end 56 slides to the position with the two deceleration detection devices 55, the information will be detected by the deceleration detection device 55. It is sent to the external controller, and the lifting plate 3 is controlled by the external controller to decelerate and lift to prevent the lifting plate 3 from suddenly stopping and damaging the lifting objects. The sliding plate 62 can slide through the square groove 61, and the sliding plate 62 can slide in the square groove 61 through the spring 63. There is an upward buffering force on the inner side of the lifting plate 62, and an upward buffering force is provided by the support plate 64 of the slide plate 62, so that there is a buffering force when contacting between the lower side of the lifting plate 3 and the upper side of the lower end of the support frame 1, preventing The hard contact between the lower side of the lifting plate 3 and the upper side of the lower end of the support frame 1 causes damage to the lifting plate 3 .

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (6)

1. A hoist with a plurality of detection devices, characterized in that: comprising a support frame (1) and a buffer unit (6); Support frame (1): the inner side is slidably connected with a slider (2) along the up and down direction, the front side of the slider (2) is provided with a lifting plate (3) along the front and rear direction, and the inner side of the support frame (1) is provided with There is a lifting unit (4) cooperating with the middle part of the slider (2), and the front left end of the support frame (1) is provided with a detection unit (5); Buffer unit (6): includes a square groove (61), a slide plate (62), a spring (63) and a support plate (64), and a square groove (61) is opened on the lower side of the lifting plate (3), the The inner upper end of the square groove (61) is provided with a spring (63), and the slide plate (62) is slidably connected in the up-down direction between the lower end of the spring (63) and the inner side of the square groove (61), and the slide plate (62) The underside of the support plate (64) is provided with a support plate (64), and the underside of the support plate (64) is connected with the lower end upper side of the support frame (1). 2. A hoist with multiple detection devices according to claim 1, characterized in that: the buffer unit (6) also includes a long keyway (65) and a key block (66), the square The inner front and rear sides of the groove (61) are respectively provided with a long keyway (65) along the up and down direction, and the upper ends of the front and rear sides of the slide plate (62) pass through a key block (66) and the corresponding long keyway (65) respectively. Sliding connections between the inner sides along the up and down direction. 3. A hoist with a plurality of detection devices according to claim 1, characterized in that: the hoist unit (4) includes pulleys (41), ropes (42) and winding rollers (43) A pulley (41) is rotatably connected between the upper ends of the left and right sides of the inside of the support frame (1), and a winding wire is connected between the lower ends of the left and right sides of the inside of the support frame (1) through a rotation shaft. Roller (43), described rotating shaft controls its work by external servo motor, and the outer side of described winding roller (43) is wound with rope (42), and the upper end of described rope (42) passes through the top of pulley (41) Fixedly connected between the side and the upper front end of the slide block (2). 4. A hoist with multiple detection devices according to claim 1, characterized in that: the detection unit (5) includes an overtravel detection device (51), an in-position detection device (52), an in-position detection device Detection trigger end (53) and overtravel detection trigger end (54), the upper left end of the support frame (1) is provided with an overtravel detection device (51) and an in-position detection device (52) sequentially along the up and down direction, the An in-position detection trigger end (53) and an overtravel detection trigger end (54) are respectively arranged on the upper side and the middle part of the left rear end of the lifting plate (3). 5. A hoist with a plurality of detection devices according to claim 4, characterized in that: the detection unit (5) also includes a deceleration detection device (55) and a deceleration detection trigger end (56), A deceleration detection device (55) is respectively provided at the upper and lower ends of the left side of the support frame (1), and the upper end deceleration detection device (55) is located on the lower side of the overtravel detection device (51) and the in-position detection device (52) , a deceleration detection trigger end (56) is provided on the underside of the left rear end of the lifting plate (3). 6. A hoist with a plurality of detection devices according to claim 1, characterized in that: it also includes a draw slot (7) and a guardrail (8), and the upper four sides of the lifting plate (3) A card slot (7) is opened respectively, and a guard rail (8) is clamped between the insides of the card slots (7).

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