CN219259432U - Reel braking device and vertical shaft drilling machine - Google Patents

Abstract

The utility model relates to the technical field of engineering drilling, in particular to a winding drum braking device and a vertical shaft drilling machine. A winding drum braking device comprises an input shaft, a winding drum sleeved on the input shaft and a braking component, wherein the winding drum and the braking component can rotate relative to the input shaft. The brake component comprises a movable disc unit and a static disc unit, the movable disc unit and the static disc unit are sleeved on the input shaft, the movable disc unit is rotationally connected with the static disc unit, the movable disc unit is detachably connected to one end of the winding drum, when a second friction disc in the static disc unit is connected with a first friction disc in the touch disc unit, the movable disc unit is used for braking the winding drum, so that the automatic braking of the winding drum is realized, the braking time is shorter, the operation of an original manual near drilling machine is avoided, and the safety of an operator is improved.

Description

Reel braking device and vertical shaft drilling machine

Technical Field

The utility model relates to the technical field of engineering drilling, in particular to a winding drum braking device and a vertical shaft drilling machine.

Background

The traditional vertical shaft drilling machine generally realizes the rotation and braking of the winding drum by controlling two belts of the winding drum by a person, and finally realizes the lifting and the releasing of the drilling machine by the winding and releasing of the steel wire rope on the winding drum. The manual control of the winding drum can cause unsafe problems due to the influence of operators, and the belt making is worn along with use, so that the winding drum is more unfavorable for personnel control. In the drilling machine drilling stopping stage, the belt making handle can only be locked to realize parking in the past, and the control mode is greatly influenced by factors of operators.

Disclosure of Invention

First, the technical problem to be solved

In view of the defects and shortcomings of the prior art, the utility model provides the reel braking device and the vertical shaft drilling machine, which can realize automatic braking of a reel, have shorter braking time, avoid the operation of the original manual near-drilling machine and improve the safety of operators.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a reel braking device, which comprises an input shaft, a reel sleeved on the input shaft and a braking component, wherein the reel is sleeved on the input shaft; the winding drum and the brake assembly can rotate relative to the input shaft; the brake assembly comprises a movable disc unit and a static disc unit, the movable disc unit and the static disc unit are sleeved on the input shaft, the movable disc unit is rotationally connected with the input shaft, and the movable disc unit is rotationally connected with the static disc unit; the movable disc unit is detachably connected to one end of the winding drum, and when the second friction disc in the static disc unit is connected with the first friction disc in the touch disc unit, the movable disc unit and thus the winding drum are braked.

Preferably, the movable disc unit comprises a movable disc body and a first friction disc; the first friction disc is connected with the circumference of one side of the movable disc body, which is far away from the winding drum; the movable plate body is fixedly connected with one end of the winding drum.

Preferably, the static disc unit comprises a static disc body, a second friction disc and an elastic piece; the second friction disc is arranged in the inner cavity of the static disc body and is connected with the static disc body through an elastic piece; the first friction plate and the second friction plate are respectively provided with a friction plate, and the friction plates on the second friction plate are staggered with the friction plates on the first friction plate; when the elastic piece is reset, the friction plate on the second friction plate is contacted with the friction plate on the first friction plate to brake the brake disc unit.

Preferably, the device further comprises a shaft sleeve; annular protrusions are arranged on the circumference of the shaft sleeve; the shaft sleeve is sleeved on the input shaft and arranged between the movable disc unit and the input shaft.

Preferably, the first support assembly and the second support assembly are further included; the first support assembly and the second support assembly are respectively sleeved at two ends of the input shaft and are rotationally connected with the input shaft to support the input shaft.

Preferably, the second holder assembly includes a connection pad and a holder unit; the static disc unit is connected with the support unit through the connecting disc; the support unit comprises an upper support cover, a lower support body, a front end cover, a bearing and a rear end cover; the upper support cover and the lower support body are in butt joint to form a mounting hole, and the input shaft is arranged in the mounting hole and is in rotary connection with the support unit through a bearing; the front end cover and the rear end cover are respectively arranged at two ends of the bearing and are clamped in the support unit to fix the bearing.

Preferably, the stand unit further includes a cover; the lid is connected with the rear end cover can be dismantled, and the lid sets up with the input shaft is coaxial.

Preferably, the input shaft is provided with a lubricating oil duct; the input port of the lubricating oil duct is positioned on the end face of the input shaft, and the output port of the lubricating oil duct is aligned with the movable disc unit.

Preferably, the device further comprises a transmission assembly; the transmission assembly is sleeved on the input shaft, and one end of the transmission assembly is connected with the winding drum to drive the winding drum to rotate.

The utility model also provides a vertical shaft drilling machine, which comprises the winding drum braking device, a drilling machine, a driving unit, a hydraulic unit and a base; the winding drum braking device, the driving unit and the hydraulic unit are arranged on the base; the winding drum is provided with a winding steel wire rope, one end of the steel wire rope is connected with the drilling machine, and the driving unit drives the winding drum to rotate through the transmission assembly so as to retract and release the steel wire rope and further drive the drilling machine to lift or release; the hydraulic unit is used for driving the feeding oil cylinder and the chuck of the drilling machine.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

according to the drum braking device, the braking component is arranged and comprises the movable disc unit and the static disc unit, the movable disc unit and the static disc unit are sleeved on the input shaft, the movable disc unit and the static disc unit rotate relative to the input shaft, the movable disc unit is detachably connected to one end of the drum, and when the second friction disc in the static disc unit is connected with the first friction disc in the touch disc unit, the movable disc unit is used for braking the drum and further the drum is braked, so that automatic braking of the drum is realized, braking time is shorter, operation of an original manual near-drilling machine is avoided, and safety of operators is improved.

According to the vertical shaft drilling machine, the drum braking device is arranged, and the second friction disc in the static disc unit of the braking component is used for braking the moving disc unit and further braking the drum when being connected with the first friction disc in the touch disc unit, so that automatic braking of the drum is realized, braking time is shorter, operation of an original manual near drilling machine is avoided, and safety of operators is improved.

Drawings

FIG. 1 is a schematic view of a part of a vertical axis drill;

FIG. 2 is a schematic cross-sectional view of a spool brake device (first carrier assembly not shown);

FIG. 3 is a schematic structural view of a brake assembly;

FIG. 4 is a schematic view of a second mount assembly;

fig. 5 is a schematic structural view of the connection pad.

[ reference numerals description ]

1: an input shaft; 11: a lubrication oil passage; 2: a reel; 3: a brake assembly; 31: a movable disc unit; 311: a movable disc body; 312: a first friction plate; 32: a static disc unit; 321: a stationary disc body; 322: a second friction plate; 323: an elastic member; 4: a shaft sleeve; 5: a first support assembly; 6: a second support assembly; 61: a connecting disc; 62: a stand unit; 621: an upper seat cover; 622: a lower support body; 623: a front end cover; 624: a rear end cover; 625: a cover body; 7: a transmission assembly; 8: a driving unit; 9: a hydraulic unit; 10: a base;

a: a gear shifting device.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Example 1

As shown in fig. 1-2, the present embodiment provides a roller brake device, which includes an input shaft 1, a roller 2, a brake assembly 3 and a transmission assembly 7, wherein the roller 2 and the brake assembly 3 are sleeved on the input shaft 1, the roller 2 and the brake assembly 3 can both rotate relative to the input shaft 1, the transmission assembly 7 is sleeved on the input shaft 1, and one end of the transmission assembly 7 is connected with the roller 2 to drive the roller 2 to rotate.

As shown in fig. 2, the brake assembly 3 includes a movable disc unit 31 and a stationary disc unit 32, the movable disc unit 31 and the stationary disc unit 32 are both sleeved on the input shaft 1, the movable disc unit 31 is rotationally connected with the stationary disc unit 32, the movable disc unit 31 is detachably connected to one end of the spool 2, and when the second friction disc 322 in the stationary disc unit 32 contacts the first friction disc 312 in the movable disc unit 31, the movable disc unit 31 is braked to brake the spool 2, and it should be noted that the rotation between the spool 2 and the input shaft 1, the movable disc unit 31 and the input shaft 1, and the movable disc unit 31 and the stationary disc unit 32 is realized by providing bearings.

According to the reel braking device provided by the embodiment, the braking component 3 is arranged, the braking component 3 comprises the movable disc unit 31 and the static disc unit 32, when the second friction disc 322 in the static disc unit 32 contacts the first friction disc 312 in the movable disc unit 31, the movable disc unit 31 is braked, and then the reel 2 is braked, so that automatic braking of the reel 2 is realized, braking time is shorter, operation of an original manual near-drilling machine is avoided, and safety of operators is improved.

As shown in fig. 2, the movable disc unit 31 includes a movable disc body 311 and a first friction disc 312, the first friction disc 312 is connected to the movable disc body 311 in the circumferential direction on the side far away from the spool 2, and the movable disc body 311 is fixedly connected to one end of the spool 2. The movable disc body 311 in the movable disc unit 31 is connected with the winding drum 2 through bolts, the movable disc body 311 is of a circular structure, a plurality of bolt mounting holes are distributed on the end face of the movable disc body 311, bolts penetrate through the bolt mounting holes of the movable disc body 311 to be connected with the winding drum 2, and at the moment, the winding drum 2 and the movable disc body 311 are integrated.

The static disc unit 32 includes static disc body 321, second friction disc 322 and elastic component 323, and second friction disc 322 sets up in the inner chamber of static disc body 321 and is connected with static disc body 321 through elastic component 323, all is equipped with the friction disc on first friction disc 312 and the second friction disc 322, and the friction disc on the second friction disc 322 is crisscross to be set up with the friction disc on the first friction disc 312, and when elastic component 323 reset, the friction disc on the second friction disc 322 contacts with the friction disc on the first friction disc 312 in order to brake movable disc unit 31.

It should be noted that, the elastic member 323 is connected to the hydraulic driving unit 8 to drive the elastic member 323 to compress or return, and the connection relationship and principle between the elastic member 323 and the hydraulic driving unit 8 are the prior art and are not described herein. The elastic member 323 is a spring, when the spring is in a compressed state, the friction plate on the second friction plate 322 is not in contact with the friction plate on the first friction plate 312, and when the spring is in a reset state, the spring drives the friction plate on the second friction plate 322 to be in contact with the friction plate on the first friction plate 312.

Specifically, when the rotation speed of the spool 2, that is, the braking of the spool 2, needs to be slowed down, the elastic member 323 is reset by the hydraulic driving unit 8, so that the friction plate on the static disc unit 32 and the friction plate on the movable disc unit 31 are rubbed with each other under the action of the spring, and the spool 2 rotates from a high speed to be decelerated or braked. When the winding drum 2 is required to rotate, the spring is compressed under the action of the hydraulic driving unit 8, no extrusion force exists between the friction plate on the static disc unit 32 and the friction plate of the movable disc unit 31, the braking effect on the winding drum 2 is lost, and the winding drum 2 can rotate freely.

In this embodiment, the drum brake device further includes a sleeve 4, an annular protrusion is provided on the sleeve 4 in the circumferential direction, the sleeve 4 is sleeved on the input shaft 1 in the radial direction and is disposed between the movable disk unit 31 and the input shaft 1, the sleeve 4 is disposed between the right bearing of the drum 2 and the bearing of the movable disk unit 31 in the brake assembly 3 in the axial direction, and the protrusion on the sleeve 4 can form a mechanical seal to protect the lubricating oil of the bearing in the brake assembly 3.

As shown in fig. 1, the spool brake device further includes a first support assembly 5 and a second support assembly 6, and the first support assembly 5 and the second support assembly 6 are respectively sleeved at two ends of the input shaft 1 and are rotatably connected with the input shaft 1 to support the input shaft 1.

The second support assembly 6 includes a connecting disc 61 and a support unit 62, where the stationary disc body 321 in the stationary disc unit 32 is connected with the support unit 62 through the connecting disc 61, that is, the stationary disc unit 32 is stationary relative to the input shaft 1, as shown in fig. 2, and in order to facilitate the installation of the connecting disc 61, the connecting disc 61 has a fan-shaped structure with a smaller diameter at an upper portion and a larger diameter at a lower portion. The connection disc 61 is provided with a plurality of mounting holes along the center thereof to be connected with the stationary disc body 321, and the mounting holes of the fan-shaped structure of the lower portion of the connection disc 61 are used for mounting and fixing with the holder unit 62.

As shown in fig. 2 and 4, the stand unit 62 includes an upper stand cover 621, a lower stand body 622, a front end cover 623, a bearing and a rear end cover 624, where the upper stand cover 621 and the lower stand body 622 form a mounting hole after being butted, the input shaft 1 is disposed in the mounting hole and is rotationally connected with the stand unit 62 through the bearing, and the front end cover 623 and the rear end cover 624 are respectively disposed at two ends of the bearing and are clamped in the stand unit to fix the bearing. Wherein, a bearing position and two end cover grooves are processed between the upper support cover 621 and the lower support body 622, and the front end cover 623 and the rear end cover 624 can be clamped by the end cover grooves after the assembly.

As shown in fig. 2, in order to achieve lubrication by pumping lubrication oil from the shaft end of the input shaft 1 into the lubrication chamber of the bearing in the brake assembly 3, the input shaft 1 is provided with a lubrication oil passage 11, an input port of the lubrication oil passage 11 is located at the end face of the input shaft 1, and an output port of the lubrication oil passage 11 is aligned with the movable disc unit 31. To facilitate the disassembly of the end cap of the lubrication oil passage 11, the holder unit 62 further includes a cover body 625, the cover body 625 is detachably connected to the rear end cap 624, and the cover body 625 is disposed coaxially with the input shaft 1, i.e., the cover body 625 is aligned with the end face of the input shaft 1.

Example two

As shown in fig. 1, the utility model provides a vertical shaft drilling machine, comprising a drum brake device in the first embodiment, a drilling machine, a driving unit 8, a hydraulic unit 9 and a base 10. The reel braking device, the driving unit 8 and the hydraulic unit 9 are all arranged on the base 10, a winding steel wire rope is arranged on the reel 2, one end of the steel wire rope is connected with the drilling machine, the driving unit 8 drives the reel 2 to rotate through the transmission assembly 7 so as to retract and release the steel wire rope and further drive the lifting or the lowering of the drilling machine, and the hydraulic unit 9 is used for driving a feeding oil cylinder and a chuck of the drilling machine.

Specifically, the driving unit 8 comprises a motor, a gearbox, a universal shaft and a transfer case, the power of the motor sequentially enters the transfer case through the gearbox and the universal shaft, the power is transmitted to the input shaft 1 in the winding drum braking device through transmission among gears in the transfer case, the transmission component 7 on the input shaft 1 is a planetary gear component, the input shaft 1 is provided with a central gear, planetary gears are arranged around the central gear, the power is transmitted to the inner gear ring on the left side of the winding drum 2 through planetary gear transmission, and further the motor drives the winding drum 2 to rotate so as to wind and unwind the steel wire rope on the winding drum 2.

Of course, in this embodiment, the transfer case further includes a gear shifting device a, where the gear shifting device a can implement two control modes of gas control gear shifting and manual gear shifting, so as to implement remote accurate control of the vertical shaft drilling machine, reduce labor cost, and improve equipment reliability and safety.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. The winding drum braking device is characterized by comprising an input shaft (1), a winding drum (2) sleeved on the input shaft (1) and a braking component (3);

the winding drum (2) and the brake assembly (3) can rotate relative to the input shaft (1);

the brake assembly (3) comprises a movable disc unit (31) and a static disc unit (32), the movable disc unit (31) and the static disc unit (32) are sleeved on the input shaft (1), the movable disc unit (31) is rotationally connected with the input shaft (1), and the movable disc unit (31) is rotationally connected with the static disc unit (32);

the movable disc unit (31) is detachably connected to one end of the winding drum (2), and when the second friction disc (322) in the static disc unit (32) contacts the first friction disc (312) in the movable disc unit (31), the movable disc unit (31) and thus the winding drum (2) are braked.

2. The spool braking device according to claim 1 wherein:

the movable disc unit (31) comprises a movable disc body (311) and the first friction disc (312);

the first friction disc (312) is connected to the movable disc body (311) in the circumferential direction at the side far away from the winding drum (2);

the movable disc body (311) is fixedly connected to one end of the winding drum (2).

3. The spool braking device according to claim 2 wherein:

the static disc unit (32) comprises a static disc body (321), the second friction disc (322) and an elastic piece (323);

the second friction disc (322) is arranged in the inner cavity of the static disc body (321) and is connected with the static disc body (321) through the elastic piece (323);

friction plates are arranged on the first friction plate (312) and the second friction plate (322), and the friction plates on the second friction plate (322) are staggered with the friction plates on the first friction plate (312);

when the elastic member (323) is restored, the friction plate on the second friction plate (322) is in contact with the friction plate on the first friction plate (312) to brake the movable plate unit (31).

4. The spool braking device according to claim 2 wherein:

also comprises a shaft sleeve (4);

an annular bulge is arranged on the circumference of the shaft sleeve (4);

the shaft sleeve (4) is sleeved on the input shaft (1), and the shaft sleeve (4) is arranged between the movable disc unit (31) and the input shaft (1).

5. The spool braking device according to claim 1 wherein:

the device also comprises a first support assembly (5) and a second support assembly (6);

the first support assembly (5) and the second support assembly (6) are respectively sleeved at two ends of the input shaft (1) and are rotatably connected with the input shaft (1) to support the input shaft (1).

6. The spool braking device of claim 5 wherein:

the second support assembly (6) comprises a connecting disc (61) and a support unit (62);

the static disc unit (32) is connected with the support unit (62) through the connecting disc (61);

the support unit (62) comprises an upper support cover (621), a lower support body (622), a front end cover (623), a bearing and a rear end cover (624);

the upper support cover (621) and the lower support body (622) are in butt joint to form a mounting hole, and the input shaft (1) is arranged in the mounting hole and is in rotary connection with the support unit (62) through the bearing;

the front end cover (623) and the rear end cover (624) are respectively arranged at two ends of the bearing and are clamped in the support unit (62) to fix the bearing.

7. The spool braking device of claim 6 wherein:

the support unit (62) further comprises a cover (625);

the cover body (625) is detachably connected with the rear end cover (624), and the cover body (625) and the input shaft (1) are coaxially arranged.

8. The spool brake device according to claim 7 wherein:

the input shaft (1) is provided with a lubricating oil duct (11);

the input port of the lubricating oil duct (11) is positioned on the end face of the input shaft (1), and the output port of the lubricating oil duct (11) is aligned with the movable disc unit (31).

9. The spool braking device according to claim 1 wherein:

further comprises a transmission assembly (7);

the transmission assembly (7) is sleeved on the input shaft (1), and one end of the transmission assembly (7) is connected with the winding drum (2) to drive the winding drum (2) to rotate.

10. A vertical shaft drilling machine, characterized in that: comprising a reel brake device according to claim 9, further comprising a drilling machine, a drive unit (8), a hydraulic unit (9) and a foundation (10);

the winding drum braking device, the driving unit (8) and the hydraulic unit (9) are arranged on the base (10);

the winding drum (2) is provided with a wound steel wire rope, one end of the steel wire rope is connected with the drilling machine, and the driving unit (8) drives the winding drum (2) to rotate through the transmission assembly (7) so as to retract and release the steel wire rope and further drive the drilling machine to lift or release;

the hydraulic unit (9) is used for driving a feeding oil cylinder and a chuck of the drilling machine.

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