Remote control unhooking device

Abstract

The utility model discloses a remote control unhooking device, which comprises a fixed seat, a mounting cavity, a clamping jaw and a linkage limiting mechanism, the mounting cavity is arranged in the fixed seat, and the center of the clamping jaw is rotatably connected in the mounting cavity. The linkage limiting mechanism is arranged, the clamping jaw is pushed to rotate through rotation of the adjusting plate, opening and closing operation of the clamping jaw is achieved, meanwhile, by means of the arrangement of the electromagnet, when the servo motor is powered on to work, the electromagnet is powered on to generate magnetism and attracts the limiting iron plate to slide towards the inner side of the clamping jaw, and therefore the clamping jaw is opened and closed. When the adjusting plate abuts against the clamping jaw, the servo motor and the electromagnet are powered off at the same time, the limiting iron plate slides out under the elastic action of the first reset spring, the adjusting plate is limited and locked, the situation that the clamping jaw is opened in the grabbing process due to rotation of the limiting iron plate is avoided, and potential safety hazards are effectively eliminated; and meanwhile, the fluted discs are arranged, so that the two adjacent clamping jaws can be synchronously linked, and the clamping jaws can be prevented from shaking when the clamping jaws are in an open state.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coal mining equipment, concretely is a remote control unhooking device belongs to coal mining equipment technical field. BACKGROUND

[0002] Coal mine refers to the place rich in coal resources, generally divided into underground coal mine and open coal mine, when coal seam is far from the ground, generally selects to excavate roadway to mine coal, this is underground coal mine, when the distance of coal seam from the ground is very close, generally selects to directly strip the surface soil layer and excavates coal, this is open coal mine, coal is the most important solid fuel, is combustible organic rock, according to the different coalification degree, can be divided into peat, lignite, bituminous coal and anthracite four categories, and the coal mine generally needs to cooperate with hoisting equipment to transport the mined coal when mining, and the hoisting equipment often needs to be combined with hooks for combined use.

[0003] However, the existing coal mining equipment mostly has various problems, for example, in the hydraulic hoist disclosed in the open number CN119240546A, most of the hydraulic oil can be accommodated by the first channel and the second channel, most of the impact pressure in the system is absorbed, the influence of hydraulic impact on the hydraulic motor and the entire hydraulic system is prevented, and protection is played, but the hook needs to be manually separated from the hoisted equipment during hoisting, there is a risk of falling during separation, which can easily cause personnel casualties, and there is a great safety hazard, although some equipment uses remotely controllable clamping jaws for hoisting operation, but the two clamping jaws are mostly opened by abutting plates, but the abutting plates can slide relative to the clamping jaws during abutment, causing the clamping jaws to open, and there is still a certain safety hazard due to the lack of locking structure. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme provides a solution significantly different from the prior art in view of the technical problem that the prior art solution is too single, specifically, the purpose of the utility model is to solve the above-mentioned shortcomings in the prior art, and a remote control unhooking device is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A remote control unhooking device, comprising a fixing seat, a mounting cavity, a clamping jaw and a linkage limiting mechanism, the mounting cavity is arranged in the fixing seat, the center of the clamping jaw is rotatably connected in the mounting cavity, and at least two clamping jaws are symmetrically arranged, and the linkage limiting mechanism is arranged on the fixing seat.

[0007] The linkage limiting mechanism comprises an adjusting plate, a toothed disc, a limiting iron plate, a first reset spring, an electromagnet and a transmission unit, the adjusting plate is rotationally connected in the mounting cavity and is located between the two adjacent clamping jaws, the toothed disc is fixed at the side of the center of the two adjacent clamping jaws and is close to each other, the toothed discs of the two adjacent clamping jaws are meshed with each other, the clamping jaw is internally recessed and is provided with a notch, the limiting iron plate is slidingly connected in the notch, the first reset spring is arranged on the inner side of the notch and one end of the first reset spring is abutted with the limiting iron plate, and the electromagnet is embeddedly arranged in the fixed seat and is located at one side of the limiting iron plate.

[0008] As a further scheme of the utility model: the transmission unit comprises a linkage disc, a driving disc, a servo motor and a lever, the linkage disc is fixed at the center of one side of the adjusting plate, the servo motor is fixed in the mounting cavity, the driving disc is coaxially fixed on the output shaft of the servo motor, the edge of the linkage disc is provided with a clamping groove, and the lever is slidingly connected in the clamping groove.

[0009] As a further scheme of the utility model: the servo motor and the electromagnet are connected in series through wires, a controller is fixed in the mounting cavity, the controller is electrically connected with the servo motor, and a remote control module is arranged in the controller.

[0010] As a further scheme of the utility model: the transmission unit further comprises a limiting disc, the limiting disc is coaxially fixed on one side of the driving disc, the edge of the linkage disc is provided with an arc-shaped notch, and the edge of the limiting disc is slidingly connected in the arc-shaped notch.

[0011] As a further scheme of the utility model: both ends of the adjusting plate are rotatably connected with a rotating rod in an embedded mode, and the rotating rod is rollingly abutted with the clamping jaw.

[0012] As a further scheme of the utility model: a second reset spring is further arranged in the mounting cavity, and both ends of the second reset spring are connected between the two adjacent clamping jaws.

[0013] The utility model discloses the beneficial effect is:

[0014] In the utility model, through the setting linkage limiting mechanism, further through the rotation of adjusting plate and the rotation of clamping jaw are pushed, realize the opening and closing operation of clamping jaw, simultaneously utilize the setting electromagnet, make servo motor when electrifying work, electromagnet electrification generates magnetism and adsorbs limiting iron plate to the inside of clamping jaw and slides, further make adjusting plate can rotate smoothly, when adjusting plate and clamping jaw abut, servo motor and electromagnet are electrified simultaneously, limiting iron plate slides out under the elastic force of first reset spring, and limiting locking is carried out to adjusting plate, avoid its rotation and lead to the opening of clamping jaw in the process of grabbing, effectively eliminate the security risk, simultaneously utilize the setting toothed disc and make two adjacent clamping jaws can be linked simultaneously, and when the opening of clamping jaw, can avoid the shaking of clamping jaw. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal connection structure of the mounting cavity of this utility model;

[0017] Figure 3 This is a schematic diagram of the linkage limiting mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixing base of this utility model;

[0019] Figure 5 This is a schematic diagram of the adjusting plate and its connection structure of the present invention;

[0020] Figure 6 This is a schematic diagram of the linkage disk connection structure of this utility model.

[0021] In the diagram: 1. Fixed base, 2. Mounting cavity, 3. Gripper, 4. Linkage limit mechanism, 41. Adjustment plate, 42. Gear plate, 43. Limit plate, 44. First return spring, 45. Electromagnet, 46. Linkage plate, 47. Active plate, 48. Servo motor, 49. Lever, 410. Limit plate, 411. Controller, 5. Rotating rod, 6. Second return spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1, as Figures 1 to 6 As shown, a remote-controlled unhooking device includes a fixed base 1, a mounting cavity 2, a gripper 3, and a linkage limiting mechanism 4. The mounting cavity 2 is disposed in the fixed base 1, the center of the gripper 3 is rotatably connected to the mounting cavity 2, and at least two grippers 3 are symmetrically arranged. The linkage limiting mechanism 4 is disposed on the fixed base 1.

[0024] The linkage limiting mechanism 4 comprises an adjusting plate 41, a toothed disc 42, a limiting iron plate 43, a first reset spring 44, an electromagnet 45 and a transmission unit, the adjusting plate 41 is rotationally connected in the mounting cavity 2 and located between the two adjacent clamping jaws 3, the toothed disc 42 is fixed at the side of the center of the two adjacent clamping jaws 3 and close to each other, and the toothed discs 42 of the two adjacent clamping jaws 3 are engaged with each other, the clamping jaw 3 is provided with a notch in the inner recess, the limiting iron plate 43 is slidingly connected in the notch, the first reset spring 44 is arranged on the inner side of the notch and one end of the first reset spring 44 abuts against the limiting iron plate 43, and the electromagnet 45 is embeddedly arranged in the fixed seat 1 and located at one side of the limiting iron plate 43.

[0025] The transmission unit comprises a linkage disc 46, a driving disc 47, a servo motor 48 and a lever 49, the linkage disc 46 is fixed at the center of one side of the adjusting plate 41, the servo motor 48 is fixed in the mounting cavity 2, the driving disc 47 is coaxially fixed on the output shaft of the servo motor 48, the edge of the linkage disc 46 is provided with a clamping groove, and the lever 49 is slidingly connected in the clamping groove.

[0026] The servo motor 48 and the electromagnet 45 are connected in series through wires, and the controller 411 is fixed in the mounting cavity 2, the controller 411 is electrically connected with the servo motor 48, and a remote control module is arranged in the controller 411.

[0027] In the utility model, through setting linkage limiting mechanism 4, further through the rotation of adjusting plate 41 to push clamping jaw 3 to rotate, realize the opening and closing operation of clamping jaw 3, simultaneously use the setting of electromagnet 45, make servo motor 48 generate magnetism and adsorb limiting iron plate 43 to slide to the inner side of clamping jaw 3 when energized, further make adjusting plate 41 can rotate smoothly, when adjusting plate 41 abuts against clamping jaw 3, servo motor 48 and electromagnet 45 are simultaneously deenergized, limiting iron plate 43 slides out under the elastic force of first reset spring 44, and limiting iron plate 41 is locked, avoid its rotation to cause clamping jaw 3 to open in the process of grabbing, effectively eliminate the security risk, simultaneously use the setting of toothed disc 42 to make the synchronous linkage of two adjacent clamping jaws 3, and make clamping jaw 3 avoid shaking when opening.

[0028] As shown in the embodiment two, Figures 1 to 6 In addition to all the technical features of the embodiment one, the embodiment two further comprises:

[0029] The transmission unit further comprises a limiting disc 410, the limiting disc 410 is coaxially fixed on one side of the driving disc 47, the edge of the linkage disc 46 is provided with an arc-shaped notch, the edge of the limiting disc 410 is slidingly connected in the arc-shaped notch, and the limiting disc 410 is used to limit the linkage disc 46 to avoid excessive rotation.

[0030] Two ends of the adjusting plate 41 are rotatably connected with the rotating rod 5 in an embedded mode, the rotating rod 5 is in rolling abutment with the clamping jaw 3, and the frictional resistance between the adjusting plate 41 and the clamping jaw 3 is reduced by rotating the rotating rod 5.

[0031] The second reset spring 6 is further arranged in the mounting cavity 2, two ends of the second reset spring 6 are connected between the adjacent two clamping jaws 3, and the adjacent two clamping jaws 3 can be quickly opened by the elastic force of the second reset spring 6.

[0032] In use of the coal mining equipment, the fixed seat 1 is connected with external hoisting equipment, then the adjacent two opened clamping jaws 3 are moved to the equipment to be hoisted, then the servo motor 48 is started, the electromagnet 45 is electrified to generate magnetism and attract the limiting iron plate 43 to slide to the inner side of the clamping jaw 3, then the servo motor 48 drives the driving disc 47 to rotate and drives the linkage disc 46 to rotate through the push rod 49, and then drives the adjusting plate 41 to rotate, the adjacent two clamping jaws 3 are closed by abutment of the adjusting plate 41 and the clamping jaw 3, the hoisted equipment is locked, then the servo motor 48 and the electromagnet 45 are simultaneously de-energized, at this time, the limiting iron plate 43 slides out under the elastic force of the first reset spring 44 and is locked to limit the adjusting plate 41.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A remote control unhooking device, comprising a fixed seat (1), a mounting cavity (2), a clamping jaw (3) and a linkage limiting mechanism (4), characterized in that, The mounting cavity (2) is arranged in the fixed base (1), the center of the clamping jaw (3) is rotationally connected in the mounting cavity (2), and the clamping jaw (3) is symmetrically provided with at least two, and the linkage limiting mechanism (4) is arranged on the fixed base (1); The linkage limiting mechanism (4) comprises an adjusting plate (41), a toothed disc (42), a limiting iron plate (43), a first reset spring (44), an electromagnet (45) and a transmission unit, the adjusting plate (41) is rotationally connected in the mounting cavity (2) and located between the adjacent two clamping jaws (3), the toothed disc (42) is fixed on the side of the center of the adjacent two clamping jaws (3) and close to each other, the toothed discs (42) of the adjacent two clamping jaws (3) are engaged with each other, the clamping jaw (3) is provided with a notch in the recess, the limiting iron plate (43) is slidingly connected in the notch, the first reset spring (44) is arranged on the inner side of the notch and abuts against one end of the limiting iron plate (43), and the electromagnet (45) is embeddedly arranged in the fixed base (1) and located on one side of the limiting iron plate (43).

2. A remote unhooking device according to claim 1, characterized in that: The transmission unit comprises a linkage disc (46), a driving disc (47), a servo motor (48) and a lever (49), the linkage disc (46) is fixed at the center of one side of the adjusting plate (41), the servo motor (48) is fixed in the mounting cavity (2), the driving disc (47) is coaxially fixed on the output shaft of the servo motor (48), the edge of the linkage disc (46) is provided with a clamping groove, and the lever (49) is slidingly connected in the clamping groove.

3. A remote unhooking device according to claim 2, characterized in that: The servo motor (48) and the electromagnet (45) are connected in series through wires, and a controller (411) is fixed in the mounting cavity (2), the controller (411) is electrically connected with the servo motor (48), and a remote control module is arranged in the controller (411).

4. A remote unhooking device according to claim 2, characterized in that: The transmission unit further comprises a limiting disc (410), the limiting disc (410) is coaxially fixed on one side of the driving disc (47), the edge of the linkage disc (46) is provided with an arc-shaped notch, and the edge of the limiting disc (410) is slidingly connected in the arc-shaped notch.

5. A remote unhooking device according to claim 1, characterized in that: Both ends of the adjusting plate (41) are rotatably connected with a rotating rod (5) in an embedded mode, and the rotating rod (5) is in rolling abutment with the clamping jaw (3).

6. A remote unhooking device according to claim 1, characterized in that: The mounting cavity (2) is further provided with a second reset spring (6), and both ends of the second reset spring (6) are connected between the adjacent two clamping jaws (3).

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