CN210505340U

CN210505340U - Length-adjustable lifting rod of dispatching winch

Info

Publication number: CN210505340U
Application number: CN201921318815.9U
Authority: CN
Inventors: 张钧
Original assignee: Xuzhou Guangyuan Guoteng Mining Equipment Manufacturing Co Ltd
Current assignee: Xuzhou Guangyuan Guoteng Mining Equipment Manufacturing Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-12
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a dispatching winch's adjustable length lifter belongs to the dispatching winch field, and the advantage lies in, can adjust the length of lifter, and then reduces the condition that left and right brake shoe can not hold the reel braked wheel tightly and take place, and its technical scheme main points are, a dispatching winch's adjustable length lifter, include with the articulated body of rod of going up of lever one end, the one end of going up the body of rod and keeping away from the lever utilizes the round pin hub connection to have well body of rod, cross-connecting rod, go up the body of rod include with lever one end articulated first pole and with well body pin shaft articulated second pole, be equipped with the regulating part of adjusting the distance between first pole and the second pole on the first pole.

Description

Length-adjustable lifting rod of dispatching winch

Technical Field

The utility model belongs to the dispatching winch field, more specifically say, it relates to a dispatching winch's adjustable length lifter.

Background

The dispatching winch is a winch for dispatching vehicles, is commonly used for underground mining areas, coal bunkers, dispatching rooms of loading stations and traction mine cars, and can also be used for other auxiliary traction operations.

Chinese patent with publication number CN202492311U discloses a dispatching winch, which comprises a machine base, a motor, a transmission device, a winding drum driven by the transmission device, and a braking device, wherein the braking device comprises a manual working brake and a hydraulic braking protection device, and is characterized in that: the manual type working brake and the hydraulic brake protection device are of a split structure, and the hydraulic brake protection device consists of a left brake arm, a right brake arm, a left brake shoe, a right brake shoe, a hydraulic pusher and a transmission mechanism connected between the left brake arm, the right brake arm and the hydraulic pusher, wherein the left brake arm, the right brake shoe, the hydraulic pusher and the transmission mechanism are hinged on the machine base; the left brake shoe and the right brake shoe correspond to each other and act on the brake wheel of the winding drum, a limiting barrel is arranged on the base corresponding to the position of the transmission mechanism, a reset spring connected with the transmission mechanism and used for resetting the transmission mechanism is arranged in the limiting barrel, the base is formed by welding a steel plate and channel steel, a bolt hole for installation is formed in the base, and the bolt hole is a through hole penetrating through the upper surface and the lower surface of the base. The transmission mechanism is composed of a transverse pull rod, a lever, a lifting rod, a transverse connecting rod and a support column, wherein the lifting rod is of a split structure and is composed of an upper rod body, a middle rod body and a lower rod body. One end of a cross pull rod is hinged with the left brake arm, the other end of the cross pull rod is hinged with a lever hinged to the right brake arm, the other end of the lever is hinged with an upper rod body of the lifting rod, a spring seat for installing a reset spring is arranged at the bottom end of a lower rod body of the lifting rod, the reset spring is sleeved on the lower rod body of the lifting rod through the spring seat, one end of a cross connecting rod is hinged to the top end of the supporting column, the other end of the cross connecting rod is hinged to the top end of a push rod of the hydraulic pusher, the upper rod. The lower rod body and the middle rod body of the lifting rod are connected by bolts.

The push rod pushes the lifting rod to move upwards (a return spring at the bottom end of the lifting rod is compressed) to drive the lever to move, the lever respectively pushes the tie rod and the right brake arm, the tie rod pushes the left brake arm to enable the left brake arm and the right brake arm to respectively expand outwards, the left brake shoe and the right brake shoe on the tie rod are separated from the brake wheel of the winding drum, and braking is released; when power failure occurs, the reset spring loses the pressing force to reset, the lifting rod is driven to move downwards, the left brake arm and the right brake arm are drawn back through the lever and the cross pull rod, and the left brake shoe and the right brake shoe tightly hold the drum brake wheel, so that brake protection is realized.

But reset spring is under the condition of long-term compression and reseing, and spring restoring force can reduce, and then drives the distance that the lifter descends and can dwindle, can lead to left and right brake shoe to take place the condition that the reel braked wheel can not be held tightly this moment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dispatching winch's adjustable length lifter, the advantage lies in, can adjust the length of lifter, and then reduces the condition emergence that left and right brake shoe can not hold the reel braked wheel tightly.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a dispatching winch's length adjustable lifter, includes the last body of rod with lever one end is articulated, the one end that the lever was kept away from to the last body of rod utilizes the round pin hub connection to have well body of rod, cross-connecting rod, go up the body of rod and include with lever one end articulated first pole and with well body pin shaft articulated second pole, be equipped with the regulating part of adjusting the distance between first pole and the second pole on the first pole.

Through adopting above-mentioned technical scheme, after reset spring used in long-term compression, when reset spring reset length and power changed once more, the distance between first pole and the second pole was adjusted to the regulating part for distance between first pole and the second pole increases or reduces, and then compensates the influence that reset spring produced, and then reduces the condition that left and right brake shoe can not hold the reel braked wheel tightly and take place.

Preferably, the adjusting part comprises a rotating rod which is in threaded connection with the first rod, one end of the rotating rod, far away from the first rod, is in threaded connection with the second rod, and threads of the rotating rod, which are in threaded connection with the first rod and the second rod, are reverse threads.

Preferably, the outer wall of the middle part of the rotating rod is provided with two driving rods, and the two driving rods are oppositely arranged.

Preferably, one of the driving rods is in threaded connection with a first limiting rod which is abutted against the lower end wall of the first rod, and the other driving rod is in threaded connection with a second limiting rod which is abutted against the upper end wall of the second rod.

Preferably, two the actuating lever is established to same root connecting rod, the connecting rod passes the bull stick, first gag lever post and second gag lever post are located the connecting rod respectively and pass both ends of bull stick and connecting rod respectively with first gag lever post and second gag lever post threaded connection.

Preferably, the adjusting part comprises a connecting sleeve with one end rotatably connected to the outer wall of the second rod, and one end of the connecting sleeve, which is far away from the second rod, is in threaded connection with the outer wall of the first rod.

Preferably, the outer wall of the connecting sleeve is in threaded connection with a limiting rod, and the limiting rod penetrates through the connecting sleeve to abut against the outer wall of the first rod.

To sum up, the utility model discloses following beneficial effect has: when reset spring uses the back in long-term compression, when length and the power that reset spring resets again changed, the distance between first pole and the second pole is adjusted to the regulating part for distance between first pole and the second pole increases or reduces, and then compensates the influence that reset spring produced, and then reduces the condition emergence that the reel braked wheel can not be held tightly to left and right brake shoe.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a schematic structural diagram of the present embodiment for embodying the connecting sleeve.

In the figure: 1. a lever; 2. a middle rod body; 3. a transverse connecting rod; 4. a first lever; 41. a second lever; 42. a rotating rod; 43. a drive rod; 44. a first limit rod; 45. a second limiting rod; 46. a connecting sleeve; 47. a rod is defined.

Detailed Description

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

The utility model provides a length adjustable lifter of dispatching winch, as shown in figure 1, including the last body of rod with lever 1 one end is articulated, the one end of going up the body of rod and keeping away from lever 1 utilizes the round pin hub connection to have well body of rod 2, cross-connecting rod 3, it includes first pole 4 with lever 1 one end articulated and with well body of rod 2 round pin axle articulated second pole 41 to go up the body of rod, the structure of well body of rod 2, cross-connecting rod 3 and lever 1 is unanimous with the chinese patent that publication number is CN202492311U discloses a well body of rod 2 in the dispatching winch, cross-connecting rod 3 and lever 1 structure, be equipped with the regulating part of adjusting the distance between first pole 4 and the second pole 41 on the first pole 4.

As shown in fig. 1, when the return spring is compressed for a long time and the length and force of the return spring are changed again, the adjusting member adjusts the distance between the first rod 4 and the second rod 41, so that the distance between the first rod 4 and the second rod 41 is increased or decreased, the influence generated by the return spring is compensated, and the situation that the left brake shoe and the right brake shoe cannot hold the drum brake wheel tightly is reduced. How the left and right brake shoes tightly hold the drum brake wheel is described in a dispatching winch disclosed in chinese patent publication No. CN202492311U, and will not be repeated here.

As shown in fig. 1, the adjusting member includes a rotating rod 42 screwed on the first rod 4, one end of the rotating rod 42 far away from the first rod 4 is screwed with the second rod 41, and the screw threads of the rotating rod 42 screwed with the first rod 4 and the second rod 41 are reverse screw threads, so that when the rotating rod 42 is rotated, the first rod 4 and the second rod 41 move in opposite directions, and when the rotating rod 42 is rotated reversely, the first rod 4 and the second rod 41 move in a direction close to each other, thereby facilitating to adjust the distance between the first rod 4 and the second rod 41, so that the length of the lifting rod is lengthened or shortened, and the use requirement is met.

As shown in fig. 1, in order to facilitate the rotation of the rotating rod 42, two driving rods 43 are disposed on the outer wall of the middle portion of the rotating rod 42, and the two driving rods 43 are disposed opposite to each other. It is convenient for the user to rotate the rotating lever 42 by the driving lever 43.

A first limiting rod 44 which is abutted against the lower end wall of the first rod 4 is connected to one of the driving rods 43 through a thread, a second limiting rod 45 which is abutted against the upper end wall of the second rod 41 is connected to the other driving rod 43 through a thread, at the moment, the distance between the first rod 4 and the second rod 41 cannot be reduced by the first limiting rod 44 and the second limiting rod 45, and the friction force between the first limiting rod 44 and the second limiting rod 45 and the first rod 4 and the friction force between the second limiting rod 41 reduce the movement of the driving rods 43, so that the rotation of the rotating rod 42 is reduced, and the distance between the first rod 4 and the second rod 41 is fixed in the using process of the dispatching winch.

As shown in fig. 1, in order to facilitate installation of the driving rods 43, two driving rods 43 are provided as a same connecting rod, the connecting rod passes through the rotating rod 42, the first limiting rod 44 and the second limiting rod 45 are respectively located at two ends of the connecting rod passing through the rotating rod 42, and the connecting rod is respectively in threaded connection with the first limiting rod 44 and the second limiting rod 45. When the driving rod 43 is installed, the connecting rod only needs to pass through the rotating rod 42, the first limiting rod 44 and the second limiting rod 45 are screwed into the connecting rod, and the distance between the connecting rod and the first rod 4 and the distance between the connecting rod and the second rod 41 are convenient for an operator to rotate the first limiting rod 44 and the second limiting rod 45.

As shown in fig. 2, or the adjusting member includes a connecting sleeve 46 having one end rotatably connected to the outer wall of the second rod 41, and the end of the connecting sleeve 46 remote from the second rod 41 is threadedly connected to the outer wall of the first rod 4. At this time, the connecting sleeve 46 is rotated forward and backward so that the first rod 4 moves back and forth in the connecting sleeve 46, and the distance between the first rod 4 and the second rod 41 is adjusted, so that the adjustment is convenient.

As shown in fig. 2, when the coupling sleeve 46 is rotated to position the first rod 4 within the coupling sleeve 46, the outer wall of the coupling sleeve 46 is screwed with a restricting rod 47, and the restricting rod 47 passes through the coupling sleeve 46 to interfere with the outer wall of the first rod 4. The rotation of the coupling sleeve 46 will be limited by the friction between the stop rod and the outer wall of the first rod 4.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a dispatching winch's adjustable length lifter, includes the body of rod of going up with lever (1) one end is articulated, the one end that goes up the body of rod and keep away from lever (1) utilizes pin hub connection to have well body of rod (2), transverse connecting rod (3), characterized by: go up the body of rod including with lever (1) one end articulated first pole (4) and with well body of rod (2) round pin axle articulated second pole (41), be equipped with the regulating part of adjusting distance between first pole (4) and second pole (41) on first pole (4).

2. The adjustable length lifter of a dispatching winch of claim 1, wherein: the regulating part comprises a rotating rod (42) which is in threaded connection with the first rod (4), one end, far away from the first rod (4), of the rotating rod (42) is in threaded connection with the second rod (41), and threads of the rotating rod (42) in threaded connection with the first rod (4) and the second rod (41) are reverse threads.

3. The adjustable length lifter of a dispatching winch of claim 2, wherein: two driving rods (43) are arranged on the outer wall of the middle of the rotating rod (42), and the two driving rods (43) are arranged oppositely.

4. The adjustable length lifter of a dispatching winch of claim 3, wherein: one of the driving rods (43) is connected with a first limiting rod (44) which is abutted against the lower end wall of the first rod (4) in a threaded manner, and the other driving rod (43) is connected with a second limiting rod (45) which is abutted against the upper end wall of the second rod (41) in a threaded manner.

5. The adjustable length lifter of a dispatching winch of claim 4, wherein: two the same connecting rod is established to actuating lever (43), the connecting rod passes bull stick (42), first gag lever post (44) and second gag lever post (45) are located the connecting rod respectively and pass both ends and the connecting rod of bull stick (42) respectively with first gag lever post (44) and second gag lever post (45) threaded connection.

6. The adjustable length lifter of a dispatching winch of claim 1, wherein: the adjusting piece comprises a connecting sleeve (46) with one end rotatably connected to the outer wall of the second rod (41), and one end, far away from the second rod (41), of the connecting sleeve (46) is in threaded connection with the outer wall of the first rod (4).

7. The adjustable length lifter of a dispatching winch of claim 6, wherein: the outer wall of the connecting sleeve (46) is connected with a limiting rod (47) in a threaded mode, and the limiting rod (47) penetrates through the connecting sleeve (46) to be abutted against the outer wall of the first rod (4).