CN210370059U

CN210370059U - Shallow foundation pit lifting stage sedimentation type speed reducer base structure

Info

Publication number: CN210370059U
Application number: CN201920948155.6U
Authority: CN
Inventors: 裘国梁; 裘金婧; 张建; 蒋琪; 陈灿
Original assignee: Hangzhou Light Stage Equipment Development Co Ltd
Current assignee: Hangzhou Light Stage Equipment Development Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-21
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a shallow foundation pit lift stage subsides formula speed reducer base structure, including the horizontal walking frame, characterized by is in horizontal walking frame base in establish one from the base top surface, along the bracket that the base direction of height sinks to arrange, the bracket has opening speed reducer mounting groove up, is equipped with speed reducer position micromatic setting on the bracket, micromatic setting includes the riser of vertical location on the bracket, is equipped with the tight screw rod in top that the level was arranged on the riser, and tight screw rod head a week in top evenly is equipped with a plurality of pull rod jack. Not only the space occupied by the driving device is reduced, but also the gravity center of the walking frame is moved downwards, and the stability is improved; the structure is compact, the fine adjustment device which is accurate in positioning and simple and convenient to operate is arranged in the space of the bracket, and the field installation of the driving device is enabled to be easy and efficient.

Description

Shallow foundation pit lifting stage sedimentation type speed reducer base structure

Technical Field

The utility model relates to a lifting stage technique, especially a shallow foundation pit lifting stage subsides formula speed reducer base structure.

Background

Speed reducers are used in modern machines as very extensive transmission devices, which serve to match the rotational speed and to transmit torque between the prime mover and the working machine or actuator. The speed reducer also has various different installation modes according to specific conditions such as field environment, equipment characteristics and the like. For example, patent publication No. CN108799470A discloses a speed reducer with a vibration isolation base, which comprises a speed reducer casing, a speed reducer base, a rubber vibration isolation layer and a polyurethane vibration isolation layer; rubber shock insulation layer fixed mounting is between speed reducer base and polyurethane shock insulation layer, and polyurethane shock insulation layer fixed mounting is between basic ground and rubber shock insulation layer, and aim at reduces the vibration when equipment moves. For some shallow foundation pit lifting stages, because the restriction of foundation ditch height, under the unable condition through reduction stage body steel structure thickness and drive arrangement body height, the speed reducer is the part of occupying the high space in the drive arrangement most, and how to reduce its shared space is designer's first task, and still need guarantee drive arrangement's operating stability, installation dismantlement maintenance's practicality, prior art also does not have the reference object.

Disclosure of Invention

The utility model aims at solving foretell problem, provide a shallow foundation pit lift stage subsides formula speed reducer base structure, it has and incorporates into base device, shared high space is few, moves characteristics stable, easy dismounting.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a shallow foundation pit lift stage subsides formula speed reducer base structure, includes horizontal walking frame, characterized by is in horizontal walking frame base in establish one from the base top surface, sink the bracket of arranging along base direction of height, the bracket has opening speed reducer mounting groove up, is equipped with speed reducer position micromatic setting on the bracket, micromatic setting includes the riser of vertical location on the bracket, is equipped with the tight screw rod in top that the level was arranged on the riser, and tight screw rod head a week in top evenly is equipped with a plurality of pull rod jack.

In the settling type speed reducer base structure for the shallow foundation pit lifting stage, preferably, the vertical plate is located on one side of the speed reducer mounting bottom feet, two extending feet are arranged at the bottom of the vertical plate, and a preformed groove which is arranged along the moving direction of the jacking screw and is in interference fit with the extending feet is formed in the bracket.

In the aforesaid formula speed reducer base structure is subsided to shallow foundation ditch lifting stage, as preferred on the tight screw rod in top, be located the riser and be equipped with tight nut towards one side of the tight screw rod head in top, tight nut a week evenly is equipped with a plurality of spanner bar jack.

In the aforementioned base structure of the settling type speed reducer for the shallow foundation pit lifting stage, preferably, the top edge of the installation groove with the upward opening of the bracket is provided with an installation edge extending outwards, and the installation edge is provided with a bracket fixing hole matched with the top surface of the horizontal travelling frame.

In the base structure of the settling type speed reducer for the shallow foundation pit lifting stage, preferably, the height of the bracket mounting groove is less than or equal to the height of the base of the horizontal walking frame.

In the settling type speed reducer base structure for the shallow foundation pit lifting stage, as an optimal choice, a group of connecting holes matched with the speed reducer bottom hole group are arranged on the bottom surface of the bracket mounting groove, the group of connecting holes are symmetrically arranged by using the speed reducer bottom hole group central line N, and the speed reducer bottom hole group central line deviates from the bracket mounting central line M.

In the base structure of the settling type speed reducer for the shallow foundation pit lifting stage, preferably, the fine adjustment device is located on the same side of the power output end of the speed reducer.

In the aforementioned base structure of the settling type speed reducer for the stage with the shallow foundation pit, preferably, the horizontal traveling frame base is provided with a support beam which is tightly attached to a local area on the bottom surface of the bracket.

In the settling type speed reducer base structure for the shallow foundation pit lifting stage, preferably, the output shaft of the speed reducer is positioned above the top surface of the base of the horizontal traveling frame.

This technical scheme is designed to using horizontal walking frame to promote stage body steelframe level and lift removal facility, because the foundation ditch height is shallow, and stage body steelframe can not reduce in its direction of height basically under prior art condition, because of drive arrangement is synchronous motion with horizontal walking frame, so utilize horizontal walking frame to have high space certainly to be the main scheme of considering, then set up the bracket in horizontal walking frame base inside, the bracket is a mounting groove that extends downwards from the base top surface and open the mouth up, according to horizontal walking frame height and the high comprehensive consideration of reducer output shaft, satisfy the drive shaft location at horizontal walking frame top surface requirement, make the reducer part hide in horizontal walking frame, not only greatly reduced drive arrangement occupation space, and make the focus of horizontal walking frame move down, stability is higher.

This scheme is in order to solve the bracket and sink the later problem of bringing to the speed reducer installation maintenance, set up speed reducer position micromatic setting (one end) on the bracket, because foundation ditch installation environment is relatively poor, the on-the-spot adjustment degree of difficulty of each part of drive is all very big, what is the speed reducer of installation after subsiding, therefore, this micromatic setting has designed a vertical location riser on the bracket, be equipped with on the riser with in the bracket preformed groove interference fit stretch the foot, this kind stretches the foot preparation and carries out interim interference fit's location in the mill, then carry out accurate adjustment and welded fastening after on-the-spot speed reducer position is confirmed, in order to avoid heavy operations such as field cutting, improve the accurate nature of drive arrangement and drive mechanism installation simultaneously. Speed reducer position micromatic setting passes through the tight screw rod in top that the riser upper level was arranged and accomplishes speed reducer locking, because the space that formula of sinking bracket left micro-adjusting device is limited, can't directly operate with instruments such as spanner even, and this device has designed a tight screw rod in top, evenly offers a plurality of spanner jacks in its head (generally for hexagonal cylinder) a week promptly, as long as use one with spanner jack complex member can realize the screw rod microspur and adjust.

Furthermore, still dispose the lock nut on the tight screw rod in top, similarly, lock nut a week also is equipped with a plurality of bridge jacks, fixes a position the back at the tight screw rod in top to the speed reducer, consolidates by the lock nut. The bracket body is connected with the horizontal walking frame through the mounting edge extending outwards through the bolt, and can be integrally disassembled; the height of the bracket mounting groove is matched with that of the base of the horizontal traveling frame, and under the condition that the normal work of the horizontal traveling frame is not influenced, a plurality of speed reducers with large power and heavy weight can be locally arranged on supporting beams at the bottom of the bracket, so that the stability of the driving device is further improved; the mutual position relation of the bracket, the speed reducer and the fine adjustment device also ensures that the bracket body is a minimum unit, and the central line of a bottom hole group of the speed reducer and the mounting central line of the bracket are eccentrically arranged.

When the speed reducer is used, the body of the speed reducer is stressed towards one end of the output shaft of the speed reducer, namely the direction of the chain and the driven wheel chain, and the fine adjustment device is arranged on the same side of the power output end of the speed reducer. Generally, the transmission shaft of the speed reducer is positioned above the top surface of the base of the horizontal walking frame, and meanwhile, a small amount of space caused by the inclined arrangement of the chain between the driving chain wheel and the driven chain wheel can be utilized.

Compared with the prior art, the beneficial effects of the utility model are that: the sedimentation type bracket is arranged by utilizing the height space of the base of the horizontal walking frame, so that the space occupied by the driving device is reduced, the gravity center of the walking frame is moved downwards, and the stability is improved; the structure is compact, the fine adjustment device which is accurate in positioning and simple and convenient to operate is arranged in the space of the bracket, and the field installation of the driving device is enabled to be easy and efficient.

Drawings

Fig. 1 is a schematic structural diagram of an installation and use state of the present invention.

Fig. 2 is a schematic view of a bracket structure of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a schematic structural view of a fine adjustment device of the present invention.

Fig. 5 is a schematic view of the structure in the direction of a-a of fig. 4.

In the figure: 1. the device comprises a bracket, 101, a mounting edge, 102, a supporting bottom edge, 103, a bracket fixing hole, 104, a connecting hole, 2, a speed reducer, 3, a horizontal walking frame, 4, a fine adjustment device, 401, a vertical plate, 4011, a stretching foot, 402, a jacking screw, 4021, a lever jack, 403, a set nut and 5, a fan.

M is the central line of the bracket mounting groove, and N is the central line of the bottom hole group of the speed reducer.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

This embodiment a shallow foundation pit lift stage subsides formula speed reducer base structure, use horizontal walking frame 3 for arranging the main part, drive arrangement installs in horizontal walking frame 3, drive the transmission shaft by drive arrangement, the transmission shaft drives the gear, thereby the gear drives 3 back-and-forth movements of whole horizontal walking frame with the rack cooperation of fixing in the foundation ditch, be equipped with the wedge on the horizontal walking frame 3, the stage body steelframe is except perpendicular spacing direction spout, be equipped with the supporting legs of taking the gyro wheel bottom the stage body steelframe, the gyro wheel cooperates with the inclined plane roll of wedge, thereby by the supporting legs whole stage body steelframe perpendicular jack-up and decline.

Referring to fig. 1, a bracket 1 which is arranged from the top surface of a base and sinks along the height direction of the base is arranged in the base of a horizontal walking frame 3, the bracket 1 is a speed reducer 2 mounting groove structure with an upward opening, as shown in fig. 2 to 4, a speed reducer position fine-tuning device 4 is arranged on the bracket 1, the fine-tuning device 4 comprises a vertical plate 401 which is vertically positioned on the bracket, the vertical plate 401 is positioned on one side of a mounting footing of the speed reducer 2, namely, on one side of a mounting chain and a sprocket direction from a branch processing, so that the fine-tuning device 4 is positioned on the same side of a power output end of; the vertical plate 401 is provided with a horizontally arranged jacking screw 402, the head of the jacking screw 402 is of a hexagon nut structure, and 6 wrench rod insertion holes 4021 are uniformly arranged on the periphery of the jacking screw.

Specifically stated below, in the base of the horizontal traveling carriage 3 at the position of the mounting bracket 1, a support beam is arranged to be closely attached to a local block on the bottom surface of the bracket 1, so that the top surface of the mounting groove of the bracket 1 is flush with the top surface of the base of the horizontal traveling carriage 3, and the output shaft of the speed reducer 2 is also positioned above the top surface of the base of the horizontal traveling carriage 3.

The bottom surface of the mounting groove of the bracket 1, namely the supporting bottom edge 102, is provided with a group of connecting holes 104 matched with the speed reducer 2 bottom hole group, the group of connecting holes 104 are symmetrically arranged by the speed reducer bottom hole group central line N, and the speed reducer 2 bottom hole group central line N deviates from the bracket 1 mounting groove central line M, M, N distance is used for ensuring the mounting and adjustment of the fine adjustment device 4.

The top edge of the mounting groove with the upward opening of the bracket 1 extends and folds outwards to form a mounting edge 101, and a bracket fixing hole 103 matched with the top surface of the horizontal traveling frame 3 is arranged on the mounting edge 101; two extending feet 4011 are arranged at the bottom of the vertical plate 401, and a preformed groove 105 which is arranged along the moving direction of the tightening screw 402 and is in interference fit with the extending feet 4011 is arranged on the bracket 1, as shown in fig. 5.

A hexagonal tightening nut 403 is arranged on the tightening screw 402 and on one side, facing the head of the tightening screw, of the vertical plate 401, and 6 wrench rod insertion holes are uniformly formed in the circumference of the tightening nut 403.

During the application, earlier in the mill the micromatic setting 4 through interference fit's preformed groove 105 location, prevent to break away from in the transportation, can the whole bracket 1 of on-the-spot installation, after speed reducer 2 targets in place, use the screwdriver that can insert spanner jack 4021 can finely tune tight screw 402 of top to carry out one-way locking to speed reducer 2.

The above embodiments are descriptions of the present invention, not limitations of the present invention, and any structure after simple transformation is all included in the protection scope of the present invention.

Claims

1. The utility model provides a shallow foundation pit lift stage subsides formula speed reducer base structure, includes horizontal walking frame (3), characterized by is in horizontal walking frame base in establish one from the base top surface, sink bracket (1) of arranging along base direction of height, the bracket has opening speed reducer (2) mounting groove up, is equipped with speed reducer position micromatic setting (4) on the bracket, micromatic setting includes riser (401) of vertical location on the bracket, is equipped with the tight screw rod in top (402) that the level was arranged on the riser, and tight screw rod head a week in top evenly is equipped with a plurality of spanner bar jack (4021).

2. The foundation structure of a shallow foundation pit lifting stage sedimentation type speed reducer as claimed in claim 1, wherein the vertical plate (401) is located at one side of a mounting foot of the speed reducer (2), two extending feet (4011) are arranged at the bottom of the vertical plate, and a reserved groove (105) which is arranged along the moving direction of the jacking screw rod (402) and is in interference fit with the extending feet is arranged on the bracket (1).

3. The foundation structure of a shallow pit lifting stage settling type speed reducer as claimed in claim 2, wherein a tightening nut (403) is arranged on the tightening screw (402) and on one side of the vertical plate (401) facing the head of the tightening screw, and a plurality of wrench rod insertion holes are uniformly formed in the tightening nut around the circumference.

4. The foundation pit lifting stage sedimentation type speed reducer base structure as claimed in claim 1 or 2, wherein the top edge of the mounting groove with the upward opening of the bracket (1) is provided with an outwardly extending mounting edge (101), and the mounting edge is provided with a bracket fixing hole (103) matched with the top surface of the horizontal walking frame (3).

5. The foundation pit elevating stage sinking speed reducer base structure according to claim 1 or 2, wherein the height of the bracket (1) mounting groove is less than or equal to the height of the base of the horizontal walking frame (3).

6. A bottom structure of a shallow foundation pit elevating stage settling type speed reducer as claimed in claim 1 or 2, wherein a set of connecting holes (104) matched with a speed reducer (2) bottom hole group are arranged on the bottom surface of the mounting groove of the bracket (1), the set of connecting holes are symmetrically arranged with a speed reducer bottom hole group central line (N), and the speed reducer bottom hole group central line deviates from the bracket mounting groove central line (M).

7. The foundation pit lifting stage settlement type speed reducer base structure of claim 1 or 2, wherein the fine adjustment device (4) is located on the same side of the power output end of the speed reducer (2).

8. The foundation structure of the shallow foundation pit elevating stage sedimentation type speed reducer as claimed in claim 1 or 2, wherein a support beam clinging to a local area of the bottom surface of the bracket (1) is arranged in the base of the horizontal walking frame (3).

9. The shallow foundation pit lifting stage sedimentation type speed reducer base structure according to claim 1, 2 or 3, wherein the output shaft of the speed reducer (2) is positioned above the top surface of the base of the horizontal walking frame (3).