CN216403687U - Gear rack lifting device - Google Patents

Abstract

The utility model relates to the field of lifting devices, in particular to a gear rack lifting device which comprises a base, wherein a supporting column is fixedly arranged on the surface of the base, a guide groove is formed in the right side wall of the supporting column, a guide block is inserted into the inner cavity of the guide groove, and a rack is fixedly connected to the outer wall of the guide block. The gear is driven to rotate by the motor, so that the rack is driven to lift, the placing plate can be lifted, the lifting effect is achieved, meanwhile, when the motor is started, the liquid pump is started to pump a small amount of lubricating oil into the drip tube, and the lubricating oil is dripped onto the gear, so that the gear and the rack can be lubricated and maintained during use, the condition that excessive abrasion between the gear and the rack is avoided is effectively guaranteed, the service lives of the gear and the rack are prolonged, and the gear and the rack are practical and suitable for wide popularization and use.

Description

Gear rack lifting device

Technical Field

The utility model relates to the field of lifting devices, in particular to a gear rack lifting device.

Background

Gearboxes are used in a wide range of applications, for example in wind power installations, where gearboxes are an important mechanical component. The wind power generator mainly has the function of transmitting the power generated by the wind wheel under the action of wind power to the generator and enabling the generator to obtain corresponding rotating speed.

Current gear box is at the in-process of processing, often need utilize elevating gear to go up and down, the adjustment processing position, current elevating gear kind is many, wherein utilize gear and rack drive's elevating gear stability high, current utilization gear and rack drive's in-process, gear and rack meshing, long-term the use needs regularly to maintain gear and rack, but the staff often can appear forgetting the condition of adding lubricating oil to gear and rack, and along with the difference of frequency of use, the time of adding lubricating oil is also different, thereby certain trouble has been brought for the staff. Therefore, a gear rack lifting device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gear rack lifting device, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a rack and pinion lifting device comprises a base, wherein a pillar is fixedly mounted on the surface of the base, a guide groove is formed in the right side wall of the pillar, a guide block is inserted into an inner cavity of the guide groove, a rack is fixedly connected to the outer wall of the guide block, the outer wall of the rack is meshed with a gear, the gear is fixedly mounted at the outer end of a transmission shaft of a motor, the outer wall of the motor is fixedly connected with the outer wall of the pillar through a connecting block, a strip-shaped hole is formed in the back of the pillar and communicated with the guide groove, a connecting block is inserted into the strip-shaped hole and fixedly connected with the guide block, and a placing plate is fixedly connected to the outer end of the connecting block;

the top of pillar is through connecting rod fixedly connected with end plate, the top fixed mounting of end plate has oil tank and liquid pump, the inlet of liquid pump and the outer wall downside intercommunication of oil tank, the other end intercommunication of liquid pump has the outer end of burette and burette to the upside of gear.

As a preferred embodiment of the present invention, a groove is formed in the surface of the base, and a sponge pad is installed at the bottom of an inner cavity of the groove.

As a preferred embodiment of the present invention, a limiting sliding groove is formed in the rear side of the surface of the base, a limiting sliding block is inserted into an inner cavity of the limiting sliding groove, one side wall of the limiting sliding block is connected with the inner wall of the limiting sliding groove through a hydraulic cylinder, and a balancing weight is fixedly connected to the top of the limiting sliding block.

As a preferred embodiment of the present invention, the counterweight is an open box body to which a heavy object can be added.

As a preferred embodiment of the present invention, rubber pads are fixedly mounted at four corners of the bottom of the base.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the gear rack lifting device, the motor drives the gear to rotate, so that the driving rack is lifted, the placing plate can be lifted, the lifting effect is achieved, meanwhile, the motor can be started, the liquid pump can be started to pump a small amount of lubricating oil into the drip tube when the motor is started, and the lubricating oil is dripped onto the gear, so that the gear and the rack can be lubricated and maintained when the gear rack lifting device is used, the condition that excessive abrasion between the gear and the rack is avoided, the service lives of the gear and the rack are prolonged, the abrasion caused by forgetting maintenance in the past is avoided, meanwhile, the lubricating oil is dripped, the lubricating oil can be prevented from splashing through the sponge mat, meanwhile, the lubricating oil can be stored in the groove, and recycling is convenient.

2. According to the gear rack lifting device, the hydraulic cylinder can drive the balancing weight to move, so that the position of the balancing weight can be adjusted according to the weight of a workpiece to be lifted, and the situation of tipping can be avoided.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the rack and pinion lifting device of the present invention;

FIG. 2 is a schematic view of a pillar structure of the rack and pinion lifting device of the present invention;

fig. 3 is a schematic cross-sectional structural view of a base of the rack and pinion lifting device of the present invention.

In the figure: 1. a base; 2. a pillar; 3. a guide groove; 4. a guide block; 5. a rack; 6. a motor; 7. a gear; 8. an end plate; 9. an oil tank; 10. a liquid pump; 11. a dropper; 12. placing the plate; 13. a groove; 14. a sponge cushion; 15. a balancing weight; 16. a strip-shaped hole; 17. connecting blocks; 18. a limiting chute; 19. a limiting slide block; 20. and a hydraulic cylinder.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a rack and pinion elevating gear, which comprises a base 1, base 1's fixed surface installs pillar 2, guide way 3 has been seted up to pillar 2's right side wall, guide block 4 has been pegged graft to the inner chamber of guide way 3, the outer wall fixedly connected with rack 5 of guide block 4, the outer wall and the gear 7 meshing of rack 5, gear 7 fixed mounting is in the transmission shaft outer end of motor 6, the outer wall of motor 6 passes through the outer wall fixed connection of connecting block and pillar 2, the back of pillar 2 has seted up bar hole 16 and guide way 3 intercommunication, the grafting of bar hole 16 has connecting block 17 and guide block 4 fixed connection, the outer end fixed connection of connecting block 17 places board 12;

the top of pillar 2 is through connecting rod fixedly connected with end plate 8, and the top fixed mounting of end plate 8 has oil tank 9 and liquid pump 10, and the inlet of liquid pump 10 and the outer wall downside of oil tank 9 communicate, and the other end intercommunication of liquid pump 10 has burette 11 and the outer end of burette 11 is as for the upside of gear 7.

In this embodiment, the liquid pump 10 and the motor 6 are connected with the external power supply through the same control switch, so that the liquid pump 10 can be started simultaneously when the motor 6 is started, a small amount of lubricating oil is dripped on the surface of the gear 7 through the dropper 11, a lubricating effect is achieved, the abrasion is avoided, and the service life between the gear 7 and the rack 5 is prolonged.

In this embodiment, recess 13 has been seted up on base 1's surface, and foam-rubber cushion 14 is installed to recess 13's inner chamber bottom, and foam-rubber cushion 14's setting can avoid the fluid of drippage to spatter everywhere.

In this embodiment, base 1's surface rear side is opened and is equipped with spacing spout 18, and the inner chamber of spacing spout 18 is pegged graft and is had spacing slider 19, and a lateral wall of spacing slider 19 and the inner wall of spacing spout 18 pass through pneumatic cylinder 20 to be connected, and the top fixedly connected with balancing weight 15 of spacing slider 19 can adjust balancing weight 15 position through pneumatic cylinder 20 to guarantee that the device is balanced, avoid turning on one's side.

In this embodiment, balancing weight 15 is the uncovered box of the addable heavy object, guarantees to add the heavy object.

In this embodiment, the equal fixed mounting in bottom four corners department of base 1 has the rubber pad, prevents that the whole slip from appearing of device.

The working principle is as follows: firstly, the volume and the weight of a workpiece to be lifted are judged, then the hydraulic cylinder 20 is started to drive the limiting slide block 19 to slide in the limiting slide groove 18, so that the position of the balancing weight 15 is adjusted to balance the weight, then the workpiece is placed on the surface of the placing plate 12, then the motor 6 is started to drive the gear to rotate 7, the motor 6 is started, thereby simultaneously activating the liquid pump 10, thereby drawing the lubricating liquid into the drip tube 11, thereby dripping onto the surface of the gear 7, so that the lubricating oil on the surface of the gear 7 can lubricate the rack 5, thereby preventing wear, and the gear 7 rotates, so that the rack 5 is lifted, thereby driving the placing plate 12 and the workpiece to be lifted and adjusted in height, simultaneously dripping the lubricating oil along the surface of the gear 7, can avoid lubricating oil to spatter all around through foam-rubber cushion 14, recess 12 can be accomodate convenient recycle gathering lubricating oil simultaneously.

In addition, the components included in the gear rack lifting device are all universal standard components or components known by a person skilled in the art, the structure and the principle of the gear rack lifting device are known by the person skilled in the art through technical manuals or conventional experimental methods, at the idle position of the device, all the electric devices in the gear rack lifting device, namely a power element, the electric devices, an adaptive monitoring computer and a power supply are connected through leads, the specific connection means refers to the following working principle, the electric devices are electrically connected in sequence, the detailed connection means is known in the art, the working principle and the process are mainly described in the following, and the electric control is not described.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a rack and pinion elevating gear, includes base (1), its characterized in that: the surface of the base (1) is fixedly provided with a pillar (2), the right side wall of the pillar (2) is provided with a guide groove (3), an inner cavity of the guide groove (3) is inserted with a guide block (4), the outer wall of the guide block (4) is fixedly connected with a rack (5), the outer wall of the rack (5) is meshed with a gear (7), the gear (7) is fixedly arranged at the outer end of a transmission shaft of a motor (6), the outer wall of the motor (6) is fixedly connected with the outer wall of the pillar (2) through a connecting block, the back of the pillar (2) is provided with a strip-shaped hole (16), the strip-shaped hole (16) is communicated with the guide groove (3), the strip-shaped hole (16) is inserted with a connecting block (17), the connecting block (17) is fixedly connected with the guide block (4), and the outer end of the connecting block (17) is fixedly connected with a placing plate (12);

connecting rod fixedly connected with end plate (8) is passed through at the top of pillar (2), the top fixed mounting of end plate (8) has oil tank (9) and liquid pump (10), the inlet of liquid pump (10) and the outer wall downside intercommunication of oil tank (9), the other end intercommunication of liquid pump (10) has burette (11) and burette (11) the outer end as to the upside of gear (7).

2. A rack and pinion lift as claimed in claim 1 wherein: a groove (13) is formed in the surface of the base (1), and a spongy cushion (14) is installed at the bottom of an inner cavity of the groove (13).

3. A rack and pinion lift as claimed in claim 1 wherein: the surface rear side of base (1) is opened and is equipped with spacing spout (18), the inner chamber of spacing spout (18) is pegged graft and is had spacing slider (19), the inner wall of a lateral wall and spacing spout (18) of spacing slider (19) passes through pneumatic cylinder (20) and connects, the top fixedly connected with balancing weight (15) of spacing slider (19).

4. A rack and pinion lift as claimed in claim 3 wherein: the balancing weight (15) is an open box body capable of being added with heavy objects.

5. A rack and pinion lift as claimed in claim 1 wherein: the bottom four corners of base (1) all fixed mounting have the rubber pad.

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