CN212687356U

CN212687356U - Lower support of tower crane

Info

Publication number: CN212687356U
Application number: CN202021175077.XU
Authority: CN
Inventors: 陈建平
Original assignee: Jiangsu Climbing Energy Technology Co ltd
Current assignee: Jiangsu Climbing Energy Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-12
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a tower crane's undersetting, its technical scheme main points are including annular undersetting body, undersetting body level sets up, fixedly connected with slewing gear on the top side terminal surface of undersetting body, integrated into one piece has the case of placing on the lateral wall of undersetting body, place case cavity setting, place the incasement and be equipped with the oil tank, place the incasement and be equipped with the oil-well pump, the oil inlet department intercommunication of oil-well pump has into oil pipe, oil-out department intercommunication of oil-well pump has out oil pipe, advance oil pipe dorsad oil-well pump one end and oil tank lateral wall intercommunication, it passes to place the roof and sets up towards slewing gear direction to go out oil pipe one end dorsad, the utility model discloses can lubricate slewing gear, prolong slewing gear's life.

Description

Lower support of tower crane

Technical Field

The utility model belongs to the technical field of tower crane's technique and specifically relates to a tower crane's undersetting is related to.

Background

The tower crane is a main construction machine of modern industry and civil buildings, and has the performance advantages of lifting height and working amplitude, so that the tower crane is widely applied to high-rise building construction. The device has large operation space and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The tower crane consists of three parts, namely a metal structure, a working mechanism and an electrical system, wherein the metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude changing, rotating and walking, and the electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like. The lower support is a supporting structure for supporting the tower crane to rotate.

Chinese patent with publication number CN103588126A discloses a slewing support with double slewing structure for a tower crane, which comprises a lower support, an upper support and a slewing gear, wherein the slewing gear is fixedly connected with the lower support, the slewing gear is rotatably connected with the upper support, the upper support comprises two reducer mounting blocks, the slewing support comprises two reducers and two driving motors, the reducers are connected with the reducer mounting blocks, the driving motors are connected with the reducers, the lower ends of the reducers are provided with a driving gear, and the driving gear is meshed with the slewing gear.

The above prior art solutions have the following drawbacks: although the rotary support is provided with the dual-drive motor and the dual speed reducer, the crane can still work normally after one drive motor or one speed reducer is damaged, in the actual use process, the drive gear is meshed with the rotary gear and rotates on the rotary gear, the drive gear and the rotary gear continuously rub, and after the rotary support is used for a period of time, the rotary gear and the drive gear are abraded, so that the service lives of the rotary gear and the drive gear are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can lubricate slewing gear, prolong slewing gear's life's undersetting to the not enough of prior art existence, one of the purpose of the utility model is to provide one kind.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a tower crane's undersetting, includes annular undersetting body, undersetting body level sets up, fixedly connected with slewing gear on the top side terminal surface of undersetting body, integrated into one piece has the case of placing on the lateral wall of undersetting body, it sets up to place case cavity, it is equipped with the oil tank in the case to place, it is equipped with the oil-well pump in the case to place, the intercommunication of oil inlet department of oil-well pump has into oil pipe, the intercommunication of oil-out department of oil-well pump has out oil pipe, it communicates to advance oil pipe dorsad oil-well pump one end and oil tank lateral wall, it passes to place the roof wall and sets up towards the slewing gear direction to go out oil pipe.

Through adopting above-mentioned technical scheme, in the tower crane use, start the oil-well pump, the oil-well pump begins work and pumps from the oil tank in through advancing oil pipe, lead to the lubricating oil through the oil outlet pipe and place the incasement outsidely, and spray lubricating oil on the slewing gear, when drive gear on the tower crane begins work, drive gear rotates on the slewing gear this moment, when drive gear rotates the lubricating oil department of slewing gear, drive gear can contact the lubricating oil on the slewing gear this moment, thereby with lubricating oil dispersion to each place on the slewing gear, thereby lubricate the slewing gear, thereby reduce the wearing and tearing of slewing gear and drive gear, the life of extension slewing gear.

The present invention may be further configured in a preferred embodiment as: and a spraying head is communicated with one end of the oil outlet pipe facing the rotary gear.

Through adopting above-mentioned technical scheme, the setting of sprinkler head can be when carrying out logical lubricating oil to the slewing gear, with the scattered spraying of lubricating oil to the slewing gear on, make the lubricated effect to the slewing gear better.

The present invention may be further configured in a preferred embodiment as: the tapered oil through groove is formed in the end face of the top side of the joint of the placing box and the lower support body, the small end of the oil through groove is arranged towards the oil tank, and the oil through groove is communicated with the oil tank.

Through adopting above-mentioned technical scheme, when lubricating slewing gear, thereby start the oil-well pump this moment and continuously spray lubricating oil to slewing gear, lubricating oil that this moment was not stayed on slewing gear can flow into logical oil groove in to let in the oil tank again through leading to the oil groove with unused lubricating oil, thereby practiced thrift the resource, reduced the waste to lubricating oil.

The present invention may be further configured in a preferred embodiment as: the oil through groove is internally detachably connected with a filter screen which is horizontally arranged and fully abutted against the side wall of the oil through groove.

Through adopting above-mentioned technical scheme, the setting of filter screen can filter debris when using, and debris in the reduction air cause the pollution to lubricating oil in entering into the oil tank through leading to the oil groove.

The present invention may be further configured in a preferred embodiment as: lead to and be equipped with the toper passageway between oil groove and the oil tank, the main aspects and the oil groove intercommunication of toper passageway, the intercommunication has logical oil pipe on the tip of toper passageway, lead to oil pipe and pass the top of oil tank and communicate with the oil tank is inside towards toper passageway one end.

Through adopting above-mentioned technical scheme, the setting of toper passageway can be with flowing into let in the oil tank that lubricating oil in the logical oil groove can be easier.

The present invention may be further configured in a preferred embodiment as: be equipped with the opening that adapts to the oil tank size on the inside wall of undersetting body, the opening with place incasement portion intercommunication, the oil tank horizontal slip sets up and is placing the incasement.

Through adopting above-mentioned technical scheme, the open-ended setting can be conveniently from the inside of undersetting body just take out the oil tank from placing the incasement, and it is more convenient to take out the oil tank.

The present invention may be further configured in a preferred embodiment as: the opening part hinged joint has the door plant, the door plant is placed case side end face dorsad and is rotated and be connected with the buckle, the lower carriage body inside wall is located door plant department fixedly connected with U type frame, and when fixed door plant, it is contradicted with U type frame inner wall to rotate the buckle card and go into in the U type frame.

Through adopting above-mentioned technical scheme, when needs take out the oil tank, rotate the buckle, make buckle and U type frame break away from to can conveniently rotate the door plant, thereby make door plant and opening break away from, conveniently take out the oil tank, after placing the incasement and having placed the oil tank, close the door plant, rotate the buckle and block the buckle card into in the U type frame, thereby fix the door plant, prevent that the oil tank from opening part roll-off.

The present invention may be further configured in a preferred embodiment as: the uncovered setting in top of oil tank, the top of oil tank is equipped with the case lid, the case lid covers the whole top terminal surface of oil tank, the connection can be dismantled to case lid and oil tank.

Through adopting above-mentioned technical scheme, after the lubricating oil in the oil tank used up, take out the oil tank from placing the incasement to take off the case lid from the oil tank, thereby add lubricating oil in toward the oil tank, after adding lubricating oil, install the case lid on the oil tank again, put into the oil tank and place the incasement.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the oil tank and the oil outlet pipe are arranged, so that the effects of lubricating the rotary gear and prolonging the service life of the rotary gear can be achieved;

2. through the setting of door plant, can play the convenience and take out the oil tank and carry out the effect of addinglubricating oil.

Drawings

FIG. 1 is a schematic view showing the overall structure of a lower support in the embodiment;

FIG. 2 is a partial schematic view of an embodiment of a door panel for a storage case;

fig. 3 is a schematic diagram for showing the internal structure of the placing box in the embodiment.

In the figure, 1, a lower support body; 2. a rotary gear; 3. an upper support; 4. a drive gear; 5. placing a box; 6. an oil tank; 7. a box cover; 8. a door panel; 9. a U-shaped frame; 10. buckling; 11. an oil well pump; 12. an oil inlet pipe; 13. an oil outlet pipe; 14. a sprinkler head; 15. an oil groove is communicated; 16. a tapered channel; 17. an oil pipe is communicated; 18. and (4) a filter screen.

Detailed Description

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

Example (b): referring to fig. 1, for the utility model discloses a tower crane's undersetting, including annular undersetting body 1, the setting of undersetting body 1 level rotates the upper bracket 3 that is connected with the level setting on the top side terminal surface of undersetting, and upper bracket 3 and the coaxial setting of undersetting body 1 to make tower crane can rotate, thereby make tower crane can normally work.

Referring to fig. 1, a rotary gear 2 is welded to the top end surface of a lower support body 1, the rotary gear 2 and a driving gear 4 on an upper support 3 are engaged with each other, and the driving gear 4 rotates on the rotary gear 2 when the tower crane operates, so that the lower support body 1 and the upper support 3 rotate.

Referring to fig. 1 and 2, when the driving gear 4 rotates on the rotary gear 2, after a period of use, the rotary gear 2 and the driving gear 4 are worn, thereby influencing the service life of the rotary gear 2 and the driving gear 4, at the moment, the side wall of the lower support body 1 is integrally formed with the placing box 5, the placing box 5 is arranged in a hollow way, the inner side wall of the lower support body 1 is provided with an opening which is suitable for the size of the oil tank 6, the opening is communicated with the inside of the placing box 5, the opening is hinged with the door plate 8, the door plate 8 is rotatably connected with a buckle 10 on the end surface of one side of the placing box 5, the U-shaped frame 9 is welded at the position of the inner side wall of the lower support body 1, when the door plate 8, so that the snap-in 10 is snapped into the U-shaped frame 9 and interferes with the inner wall of the U-shaped frame 9 to fix the door panel 8 on the side wall of the lower bracket body 1 to cover the opening.

Referring to fig. 3, placing and being equipped with oil tank 6 in the case 5, the vertical setting of 6 cavity of oil tank, the uncovered setting in top of oil tank 6, oil tank 6 slides and sets up placing in the case 5, and the opening part of the lateral wall of undersetting body 1 can be followed to oil tank 6 takes out, when needs toward oil tank 6 in refuel, rotates buckle 10, makes buckle 10 and U type frame 9 separate to with door plant 8 from the opening part separation, stimulate oil tank 6 this moment, thereby take out oil tank 6 from the opening part.

Referring to fig. 3, a cover 7 is provided on the top end of the oil tank 6, the cover 7 covers the entire top end surface of the oil tank 6, and the cover 7 and the oil tank 6 are detachably connected by bolts, thereby sealing the oil tank 6 and preventing the lubricating oil from flowing out through an opening of the oil tank 6 when the oil tank 6 is in use.

Referring to fig. 1 and 3, place and be equipped with oil-well pump 11 in the case 5, oil inlet department intercommunication of oil-well pump 11 has into oil pipe 12, the oil-out department intercommunication of oil-well pump 11 has an oil pipe 13, it communicates to advance oil pipe 12 one end of oil-well pump 11 and oil tank 6 lateral wall dorsad, it passes and places case 5 roof and towards 2 directions of slewing gear to go out oil pipe 13 and serve the intercommunication to have sprinkler 14 towards slewing gear 2 to spout lubricating oil to slewing gear 2. When drive gear 4 rotated on slewing gear 2, drive gear 4 can take away the lubricating oil on slewing gear 2 to with lubricating oil everywhere dispersion, make lubricating oil can disperse to slewing gear 2 everywhere, make the lubricated effect to slewing gear 2 better.

Referring to fig. 1 and 3, a conical oil through groove 15 is formed in the end face of the top side of the joint of the placing box 5 and the lower support body 1, the small end of the oil through groove 15 is arranged towards the oil tank 6, the oil through groove 15 is communicated with the oil tank 6, a conical passage 16 is arranged between the oil through groove 15 and the oil tank 6, the large end of the conical passage 16 is communicated with the oil through groove 15, an oil through pipe 17 is communicated with the small end of the conical passage 16, one end, back to the conical passage 16, of the oil through pipe 17 penetrates through the box cover 7 at the top of the oil tank 6 so as to be communicated with the inside of the oil tank 6, when lubricating oil flowing into the oil through groove 15 flows into the conical passage 16 along the oil through groove 15 and flows into the oil through pipe 17 along the conical passage 16, under the effect of the oil through pipe 17, the unused lubricating oil flows into the oil tank 6 again, the lubricating.

Referring to fig. 3, lead to in the oil groove 15 can dismantle through the bolt and be connected with filter screen 18, filter screen 18 level sets up and fully supports tightly with leading to 15 lateral walls of oil groove, when lubricating oil flowed into and leads to in the oil groove 15, filter screen 18 can filter lubricating oil to the impurity separation who will fall into in the lubricating oil comes out, prevents that impurity from going on in oil tank 6, polluting lubricating oil.

The implementation principle of the embodiment is as follows: in the use process of the tower crane, the oil pump 11 is started, the oil pump 11 starts to work and pumps oil from the oil tank 6 through the oil inlet pipe 12, the lubricating oil is led out of the placing box 5 through the oil outlet pipe 13 and is sprayed to the rotary gear 2, when the driving gear 4 on the tower crane starts to work, the driving gear 4 rotates on the rotary gear 2 at the moment, when the driving gear 4 rotates to the lubricating oil of the rotary gear 2, the driving gear 4 can contact the lubricating oil on the rotary gear 2 at the moment, the lubricating oil is dispersed to all places on the rotary gear 2, the rotary gear 2 is lubricated, the abrasion of the rotary gear 2 and the driving gear 4 is reduced, and the service life of the rotary gear 2 is prolonged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tower crane's undersetting, includes annular undersetting body (1), undersetting body (1) level sets up, fixedly connected with slewing gear (2), its characterized in that on the top side terminal surface of undersetting body (1): integrated into one piece has on the lateral wall of undersetting body (1) to place case (5), it sets up to place case (5) cavity, it is equipped with oil tank (6) in case (5) to place, it is equipped with oil-well pump (11) in case (5) to place, the intercommunication of oil inlet department of oil-well pump (11) has into oil pipe (12), the intercommunication of oil-out department of oil-well pump (11) has out oil pipe (13), advance oil pipe (12) oil-well pump (11) one end and oil tank (6) lateral wall intercommunication dorsad, it passes to place case (5) roof and towards slewing gear (2) direction setting to go out oil pipe (13) one end of oil-well pump (11) dorsad.

2. The lower support of a tower crane according to claim 1, wherein: one end of the oil outlet pipe (13) facing the rotary gear (2) is communicated with a sprinkler head (14).

3. The lower support of a tower crane according to claim 1, wherein: the oil storage tank is characterized in that a conical oil through groove (15) is formed in the end face of the top side of the joint of the storage tank (5) and the lower support body (1), the small end of the oil through groove (15) is arranged towards the oil tank (6), and the oil through groove (15) is communicated with the oil tank (6).

4. The lower support of a tower crane according to claim 3, wherein: lead to can dismantle in the oil groove (15) and be connected with filter screen (18), filter screen (18) horizontal arrangement and lead to oil groove (15) lateral wall and fully support tightly.

5. The lower support of a tower crane according to claim 3, wherein: lead to being equipped with toper passageway (16) between oil groove (15) and oil tank (6), the main aspects of toper passageway (16) communicate with leading to oil groove (15), the intercommunication has logical oil pipe (17) on the tip of toper passageway (16), lead to oil pipe (17) one end and pass the top of oil tank (6) and communicate with oil tank (6) inside dorsad toper passageway (16).

6. The lower support of a tower crane according to claim 1, wherein: be equipped with the opening that adapts to oil tank (6) size on the inside wall of undersetting body (1), the opening with place the inside intercommunication of case (5), oil tank (6) horizontal slip sets up in placing case (5).

7. The tower crane lower bracket according to claim 6, wherein: opening part hinged joint has door plant (8), door plant (8) are placed case (5) a side end face dorsad and are gone up to rotate and be connected with buckle (10), undersetting body (1) inside wall is located door plant (8) fixedly connected with U type frame (9), and when fixed door plant (8), rotate buckle (10) card and go into in U type frame (9) and contradict with U type frame (9) inner wall.

8. The lower support of a tower crane according to claim 7, wherein: the uncovered setting in top of oil tank (6), the top of oil tank (6) is equipped with case lid (7), whole top terminal surface that oil tank (6) were covered in case lid (7), the connection can be dismantled in case lid (7) and oil tank (6).