Jacking dual-rotation mechanism

Abstract

The jacking dual-rotation mechanism comprises a bottom support, a telescopic rod, a first tray, a second tray and a driving piece, one end of the telescopic rod is arranged on the bottom support, and the first tray and the second tray are sequentially arranged at the other end of the telescopic rod from top to bottom; the device further comprises a main rotating piece and an auxiliary rotating piece, the main rotating piece is arranged between the first tray and the second tray, and the main rotating piece is configured to provide the degree of freedom of rotation of the first tray relative to the second tray; and an auxiliary rotating piece is arranged between the second tray and the bottom support, and the auxiliary rotating piece is configured to provide the degree of freedom for the first tray and the second tray to rotate relative to the bottom support. The utility model has the beneficial effects that the telescopic rod and the driving piece are arranged, so that the driving piece can adjust the first tray and the second tray to move along the length direction of the telescopic rod, thereby adjusting the heights of the first tray and the second tray; and the double-rotation adjusting effect after jacking is achieved in cooperation with the main rotating piece and the auxiliary rotating piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine overhauling technical field especially relates to a jacking double rotation mechanism. BACKGROUND

[0002] In mine overhauling engineering, replacing auxiliary shaft tail rope is an important project, and the length of the tail rope of part of mines exceeds 1000 m due to deep shaft, and the tail rope is 30 tons heavy, the rope reel volume is large when the tail rope leaves factory, and the cage cannot be loaded and transported, therefore, before going down the well, the new tail rope needs to be wound to the special long rope reel, transported to the designated position in the well, rotated by 90 degrees to make the rope reel car face the shaft, and then the tail rope replacement work is carried out.

[0003] The existing replacement work is that when rotating the tail rope flat car in the well, the anchor rod needs to be installed on the roadway top, 6 sets of 10-ton hand-operated hoist or air-operated hoist are hung, and multiple people need to cooperate to adjust the nearly 30-ton tail rope car in place. Not only time-consuming, but also due to the hoisting anchor cable originally installed on the roadway top for a long time, when adjusting, two anchor cables fall off, which has a great safety risk.

[0004] The information disclosed in this section of background art is only intended to increase the understanding of the overall background of the utility model, and should not be regarded as acknowledging or implying in any form that the information has been constructed as prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the utility model is how to solve the problem that the rope reel car is not easy to turn around in place.

[0006] The utility model solves the above technical problem by the following technical means:

[0007] The utility model requires protection of a jacking double rotation mechanism, including bottom support, telescopic rod, first tray, second tray and driving part, the one end of telescopic rod is arranged on the bottom support, the other end of telescopic rod is sequentially arranged first tray and second tray from top to bottom, wherein, the driving part is configured to drive first tray and second tray to move along the length direction of telescopic rod;

[0008] Still including main rotating part and auxiliary rotating part, the main rotating part is arranged between first tray and second tray, wherein, the main rotating part is configured to provide the freedom degree of rotation of first tray relative to second tray;The auxiliary rotating part is arranged between second tray and bottom support, and the auxiliary rotating part is configured to provide the freedom degree of rotation of first tray and second tray relative to bottom support.

[0009] Preferably, the telescopic rod comprises a sleeve rod and a sliding rod, the sleeve rod is arranged at one end of the base support, the axis of the sleeve rod is vertical, the other end of the sleeve rod is in tubular structure, and the sliding rod is coaxially inserted into the tube, the top end of the sliding rod is coaxially penetrated through the second tray, and the top end of the sliding rod is coaxially connected with the first tray.

[0010] Preferably, the main rotating part is a plane bearing, the plane bearing is coaxially arranged between the second tray and the first tray, the static end of the plane bearing is connected with the second tray, and the dynamic end of the plane bearing is connected with the first tray.

[0011] Preferably, at least two driving parts are arranged between the second tray and the base support, the driving parts are arranged in annular array along the telescopic rod, the bottom end of the driving part is a fixed end, the fixed end is arranged with a roller, and the roller is located on the base support; the top end of the driving part is a driving end, and the driving end is connected with the bottom end of the second tray, wherein the roller constitutes an auxiliary rotating part.

[0012] Preferably, the bottom end of the sleeve rod is a solid section.

[0013] Preferably, a flange is arranged inwardly on the sleeve rod, and a turn-up is arranged on the top end of the sliding rod, and the lower surface of the turn-up is in abutting cooperation with the upper surface of the flange.

[0014] Preferably, the flange and the turn-up are both in annular structure, the inner ring diameter of the flange is greater than the diameter of the sliding rod, and the inner ring diameter of the flange is smaller than the outer ring diameter of the turn-up.

[0015] Preferably, the disc surface of the second tray is coaxially penetrated through a through hole, the sliding rod is inserted into the through hole, the sliding rod located at the bottom side of the second tray is provided with a stop block, and the upper surface of the stop block is in abutting cooperation with the bottom surface of the second tray.

[0016] Preferably, the roller is a steering wheel.

[0017] Preferably, the driving part is a jack, the bottom surface of the second tray is connected with the top rod of the jack, and the mounting seat of the jack is provided with the roller, wherein the top rod of the jack constitutes the driving end, and the mounting seat of the jack constitutes the fixed end.

[0018] The utility model discloses the advantages are in at:

[0019] One, the utility model discloses a telescopic rod and driving part are set up, so that the driving part can adjust the height of the first tray and the second tray along the length direction of the telescopic rod, and then cooperate with the main rotating part and the auxiliary rotating part to realize the double rotary adjustment effect after jacking, specifically, when the weight of the jacking object is less than the predetermined value, the first tray can rotate relative to the second tray and the base support through the action of the main rotating part, so that the jacked object rotates, when the weight of the jacking object is greater than the predetermined value, the jacking object presses the first tray, so that the first tray is overloaded, and the first tray and the second tray cannot rotate or rotate jam, at this time, the first tray and the second tray can rotate through the action of the auxiliary rotating part.

[0020] Secondly, the insertion of the sleeve rod and the sliding rod has three advantages, the first advantage is that the sleeve rod can cooperate with the driving member, and when the driving member drives the first tray and the second tray to move, no interference is caused, the second advantage is that the insertion of the sleeve rod and the sliding rod has a guiding effect on the movement of the first tray and the second tray, and deviation is avoided, and the third advantage is that the insertion of the sleeve rod and the sliding rod can ensure that relative rotation can be generated between the sleeve rod and the sliding rod, and therefore, the interference effect on the relative rotation between the first tray and the second tray is well avoided.

[0021] Thirdly, the plane bearing can bear pressure load, can have a good supporting effect on the object to be jacked, can ensure the relative rotation between the second tray and the first tray, and after installation, the plane bearing is extremely combined with the surfaces of the first tray and the second tray, the possibility that the first tray is turned on one side after heavy pressure is reduced, and the stability of the whole is improved.

[0022] Fourthly, the distribution of the driving member directly affects the supporting effect on the first tray and the second tray, and therefore, in actual production, the driving member is generally arranged in a ring array around the telescopic rod axis, and through the setting of the rollers below the driving member, even after the height adjustment of the first tray and the second tray, the relative rotation of the first tray and the second tray relative to the bottom support can be adjusted through the rolling of the rollers.

[0023] Fifthly, in actual production, the weight of the object to be jacked is large, and therefore, the sleeve rod needs to ensure that the sliding of the sleeve rod and the sliding rod is ensured, and the rigidity of the sleeve rod itself is ensured, and therefore, the bottom end of the sleeve rod is provided as a solid section, so that the problems of deformation and damage in the sliding process of the sliding rod are avoided.

[0024] Sixthly, through the setting of the flange and the turned edge, the sliding rod has a limiting effect when sliding to the limit position of the sleeve rod, and the deviation problem of the first tray and the second tray caused by slipping is avoided.

[0025] Seventhly, the flange and the turned edge are in a ring structure, on the one hand, the insertion of the sliding rod and the sleeve rod is not only used for supporting the sliding of each other, but also is used for ensuring the relative rotation between the sliding rod and the sleeve rod, the ring structure can ensure that the sliding rod and the sleeve rod can rotate to any position, and the flange and the turned edge can always abut and cooperate at the limit position, so that slipping is avoided, and on the other hand, the inner ring of the flange can play a guiding role on the sliding rod.

[0026] Eighthly, the stopper can support the second tray, the upper surface of the second tray is limited by the first tray, and the lower surface of the second tray abuts against the stopper, so that the second tray can be prevented from sliding along the telescopic rod in the state of not affecting the rotation of the second tray. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structure schematic view of a jacking double-rotation mechanism in the utility model;

[0028] Figure 2 is a structure schematic view of a jacking double-rotation mechanism in the utility model;Figure 1 a local enlarged schematic view of the top lifting double rotary mechanism and the tail rope car installation schematic view of the utility model;

[0029] Figure 3 a local enlarged schematic view of the top lifting double rotary mechanism and the tail rope car installation schematic view of the utility model;

[0030] 1, bottom support;

[0031] 20, sleeve rod; 201, flange; 21, sliding rod; 210, stop block; 211, flange;

[0032] 3, first tray; 4, second tray; 40, through hole;

[0033] 50, first driving member; 51, second driving member;

[0034] 6, main rotary member;

[0035] 70, first roller; 71, second roller. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0037] Referring to Figures 1 to 2 , the utility model requires protection a top lifting double rotary mechanism, including bottom support 1, telescopic rod, first tray 3, second tray 4, driving member, main rotary member 6 and auxiliary rotary member, bottom support 1 is provided telescopic rod one end, telescopic rod other end is set first tray 3 and second tray 4 from top to bottom in turn, telescopic rod includes sleeve rod 20 and sliding rod 21, bottom support 1 installs sleeve rod 20 one end, sleeve rod 20 bottom end is solid section, sleeve rod 20 axis is vertical, sleeve rod 20 other end is tubular structure, and the pipe is coaxially inserted and connected sliding rod 21, in actual production, the weight of the object to be lifted is larger, therefore, sleeve rod 20 itself needs to ensure sliding with sliding rod 21, and also needs to ensure the stiffness of itself, therefore, the bottom end of sleeve rod 20 is set as solid section, to avoid the problems of deformation and damage in the sliding process of sliding rod 21.

[0038] The sleeve rod 20 is provided with a flange 201 inwardly, and the top end of the sliding rod 21 is provided with a turn-up 211, the lower surface of the turn-up 211 is in abutting cooperation with the upper surface of the flange 201, the flange 201 and the turn-up 211 are annular in structure, the inner ring diameter of the flange 201 is greater than the diameter of the sliding rod 21, and the inner ring diameter of the flange 201 is smaller than the outer ring diameter of the turn-up 211, the flange 201 and the turn-up 211 are annular in structure, on the one hand, the insertion of the sliding rod 21 and the sleeve rod 20 is not only used for supporting the sliding of each other, but also used for ensuring the relative rotation between the sliding rod 21 and the sleeve rod 20, the annular structure can ensure that the sliding rod 21 and the sleeve rod 20 rotate to any position, the flange 201 and the turn-up 211 can always abut and cooperate at the limit position to avoid slipping. On the other hand, the inner ring of the flange 201 can play a guiding role on the sliding rod 21. The top end of the sliding rod 21 penetrates the second tray 4 coaxially, the disc surface of the second tray 4 penetrates the through hole 40 coaxially, the sliding rod 21 is inserted into the through hole 40, and the insertion of the sleeve rod 20 and the sliding rod 21 has three advantages, advantage one, it can cooperate with the driving part, and when the driving part drives the first tray and the second tray 4 to move, it will not cause interference. Two, it has a guiding effect on the movement of the first tray and the second tray 4, avoiding deviation. Three, the insertion of the sleeve rod 20 and the sliding rod 21 can ensure that the sleeve rod 20 and the sliding rod 21 can rotate relatively, so it can also avoid the interference effect on the relative rotation between the first tray and the second tray 4. The sliding rod 21 located at the bottom side of the second tray 4 is provided with a stopper 210, the upper surface of the stopper 210 is in abutting cooperation with the bottom surface of the second tray 4, and the top end of the sliding rod 21 is connected with the first tray 3 coaxially, the stopper 210 can support the second tray 4, the upper surface of the second tray 4 is limited by the first tray, and the lower surface of the second tray 4 abuts against the stopper 210, which can ensure that the second tray 4 does not slide axially along the telescopic rod without affecting the rotation of the second tray 4.

[0039] The first tray 3 and the second tray 4 are provided with a main rotating part 6, wherein the main rotating part 6 is configured to provide the first tray 3 with the freedom of rotation relative to the second tray 4; the main rotating part 6 is a plane bearing, the plane bearing is coaxially arranged between the second tray 4 and the first tray 3, the static end of the plane bearing is connected with the second tray 4, and the dynamic end of the plane bearing is connected with the first tray 3. The plane bearing can not only bear pressure load and support the object to be lifted well, but also ensure the relative rotation between the second tray 4 and the first tray 3, and after installation, the plane bearing is extremely combined with the surfaces of the first tray 3 and the second tray 4, reducing the possibility of the first tray 3 overturning under heavy pressure and improving the overall stability.

[0040] The auxiliary rotating member is arranged between the second tray 4 and the bottom tray 1, and is configured to provide the first tray 3 and the second tray 4 with the freedom of rotation relative to the bottom tray 1, at least two driving members are arranged between the second tray 4 and the bottom tray 1, the driving members are arranged in a ring array along the telescopic rod, the bottom end of the driving member is a fixed end, the fixed end is provided with a roller, the roller is a steering wheel, and the roller is located on the bottom tray 1; the top end of the driving member is a driving end, and the driving end is connected with the bottom end of the second tray 4, wherein the roller constitutes the auxiliary rotating member, the driving member is configured to drive the first tray 3 and the second tray 4 to move along the length direction of the telescopic rod, and the distribution of the driving member directly affects the supporting effect of the first tray 3 and the second tray 4, therefore, in actual production, the driving members are generally arranged in a ring array around the axis of the telescopic rod, the rollers are arranged below the driving members, and even after the height of the first tray 3 and the second tray 4 is adjusted, the first tray 3 and the second tray 4 can still be adjusted to rotate relative to the bottom tray 1 through the rolling of the rollers, the driving member is a jack, the top rod of the jack is connected with the bottom surface of the second tray 4, and the mounting seat of the jack is provided with a roller, wherein the top rod of the jack constitutes the driving end, and the mounting seat of the jack constitutes the fixed end.

[0041] The telescopic rod and the driving member are arranged, so that the driving member can adjust the first tray 3 and the second tray 4 to move along the length direction of the telescopic rod, thereby adjusting the height of the first tray 3 and the second tray 4; in combination with the main rotating member 6 and the auxiliary rotating member, the double-rotating adjustment effect after jacking is realized, specifically, the jacked object is placed on the first tray 3, when the weight of the jacked object is less than a predetermined value, the first tray 3 can be rotated relative to the second tray 4 and the bottom tray 1 through the action of the main rotating member 6, so that the jacked object after being lifted rotates, and when the weight of the jacked object is greater than the predetermined value, the jacked object presses the first tray 3, so that the first tray 3 is overloaded and cannot rotate or rotates with blockage with the second tray 4, at this time, the first tray 3 and the second tray 4 can be rotated through the action of the auxiliary rotating member.

[0042] Referring to Figure 3 , a jacking double-rotating mechanism is provided, and the specific application scene is that the tail rope car is turned in place, wherein the driving member is preferably four, which are a first driving member 50, a second driving member 51, a third driving member and a fourth driving member arranged in a cross shape at the bottom of the second tray, the first driving member 50 is provided with a first roller 70 at the bottom, the second driving member 51 is provided with a second roller 71 at the bottom, the third driving member is provided with a third roller at the bottom, and the fourth driving member is provided with a fourth roller at the bottom, wherein the third driving member, the third roller, the fourth driving member and the fourth roller are not shown in the drawing.

[0043] When the jacking double-rotating mechanism is operated, the following steps are specifically included:

[0044] Step one, arrange the double lifting rotation mechanism, place the double lifting rotation mechanism at the bottom of the tail rope car, and try to place it in the middle to avoid tilting during the lifting rotation in the later stage.

[0045] Step two, connect the first driving member 50, the second driving member 51, the third driving member, and the fourth driving member, that is, the jack, and connect the oil circuit of the jack.

[0046] Step three, start the first driving member 50, the second driving member 51, the third driving member, and the fourth driving member, and press the jack by manually pumping or automatic pumping to fill the jack with pressure, so that the piston in the jack pushes the jack rod up, drives the first tray 3 and the second tray 4 to move up, and finally lifts the tail rope car above the first tray 3, and it is necessary to ensure that the tail rope car wheels are separated from the track.

[0047] Step four, rotate the tail rope car by external force, when the weight of the tail rope car is small, the first tray 3 and the second tray 4 rotate relatively, so that the tail rope car changes direction. When the weight of the tail rope car is large, the first tray 3 is under heavy pressure, which causes the first tray 3 and the second tray 4 to be unable to rotate or rotate jammed, at this time, the first roller 70, the second roller 71, the third roller, and the fourth roller drive the first tray 3 and the second tray 4 to rotate together, assist the tail rope car to change direction, and finally ensure that the tail rope car wheels fall onto the track.

[0048] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A lifting double-rotation mechanism, characterized in that, Includes a base (1), a telescopic rod, a first tray (3), a second tray (4) and a drive unit. One end of the telescopic rod is provided on the base (1), and the first tray (3) and the second tray (4) are provided from top to bottom on the other end of the telescopic rod. The drive unit is configured to drive the first tray (3) and the second tray (4) to move along the length of the telescopic rod. It also includes a main rotating member (6) and an auxiliary rotating member. The main rotating member (6) is disposed between the first tray (3) and the second tray (4), wherein the main rotating member (6) is configured to provide the first tray (3) with a degree of freedom of rotation relative to the second tray (4); the auxiliary rotating member is disposed between the second tray (4) and the base (1), and the auxiliary rotating member is configured to provide the first tray (3) and the second tray (4) with a degree of freedom of rotation relative to the base (1).

2. The lifting double-rotation mechanism according to claim 1, characterized in that, The telescopic rod includes a sleeve rod (20) and a sliding rod (21). One end of the sleeve rod (20) is installed on the base (1). The axis of the sleeve rod (20) is vertical. The other end of the sleeve rod (20) is a tubular structure, and the sliding rod (21) is coaxially inserted inside the tube. The top end of the sliding rod (21) coaxially passes through the second tray (4), and the top end of the sliding rod (21) is coaxially connected to the first tray (3).

3. The lifting double-rotation mechanism according to claim 1, characterized in that, The main rotating component (6) is a plane bearing. The second tray (4) and the first tray (3) are coaxially connected to the plane bearing. The stationary end of the plane bearing is connected to the second tray (4), and the moving end of the plane bearing is connected to the first tray (3).

4. The lifting double-rotation mechanism according to claim 1, characterized in that, At least two driving components are provided between the second tray (4) and the base (1). The driving components are arranged in a circular array along the telescopic rod. The bottom end of the driving component is a fixed end, and a roller is installed on the fixed end. The roller is located on the base (1). The top end of the driving component is the driving end, and the driving end is connected to the bottom end of the second tray (4). The roller constitutes an auxiliary rotating component.

5. The lifting double-rotation mechanism according to claim 1, characterized in that, The bottom of the sleeve (20) is a solid section.

6. The lifting double-rotation mechanism according to claim 1, characterized in that, The sleeve (20) has a flange (201) facing inward, and the top of the slide rod (21) has a flange (211) with the lower surface of the flange (211) abutting against the upper surface of the flange (201).

7. The lifting double-rotation mechanism according to claim 1, characterized in that, Both the flange (201) and the ferrule (211) are annular structures. The inner ring diameter of the flange (201) is larger than the diameter of the slide bar (21), and the inner ring diameter of the flange (201) is smaller than the outer ring diameter of the ferrule (211).

8. The lifting double-rotation mechanism according to claim 1, characterized in that, The second tray (4) has a coaxial through hole (40) on its surface. A slide rod (21) is inserted into the through hole (40). A stop block (210) is provided on the slide rod (21) located on the bottom side of the second tray (4). The upper surface of the stop block (210) abuts against the bottom surface of the second tray (4).

9. A lifting double-rotation mechanism according to claim 1, characterized in that, The rollers are steering wheels.

10. A lifting double-rotation mechanism according to claim 1, characterized in that, The driving component is a jack. The bottom surface of the second tray (4) is connected to the jack rod. The jack mounting base is equipped with rollers. The jack rod constitutes the driving end, and the jack mounting base constitutes the fixed end.

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