Lifter capable of stably ascending and descending

Abstract

The utility model provides a stable lifting elevator which comprises a fixing frame, a bearing frame and a driving mechanism, the bearing frame comprises a bearing bottom plate and connecting frames arranged on the two sides of the bearing bottom plate respectively, a first vertical sliding way is arranged on the outer side of the fixing frame, and each connecting frame is provided with a first idler wheel corresponding to the first vertical sliding way; a lifting frame is arranged above the connecting frame, second rolling wheels are arranged at the two ends of the lifting frame, and the fixing frame is provided with second vertical sliding ways corresponding to the second rolling wheels; the driving mechanism comprises a hydraulic telescopic rod, a transmission chain wheel arranged on the lifting frame and a transmission chain matched with the transmission chain wheel. The lower end of the hydraulic telescopic rod is fixed to the fixing frame, the telescopic end of the hydraulic telescopic rod is connected with the lifting frame, a first connecting lug is arranged at the end, corresponding to the transmission chain, of the fixing frame, and a second connecting lug is arranged at the other end, corresponding to the transmission chain, of the connecting frame. The two ends of the transmission chain are correspondingly connected with the first connecting lug and the second connecting lug. The elevator capable of stably lifting has the advantages of being scientific in design, simple in structure and high in lifting stability.

Description

Technical Field

[0001] The utility model relates to a lifting device, in particular to a stably lifting lift. Background Art

[0002] The lift is a common cargo conveying equipment, which is usually used in various factories to transport cargo up and down. Chinese patent CN211110848U discloses a reciprocating lift, which directly drives the lifting plate with cargo to be lifted and lowered by a hydraulic cylinder. In the technical solution of Chinese patent CN211110848U, a fixed groove is set on the lifting plate, and the inside of the fixed groove is fixedly connected to the sealing plate by a telescopic rod. During the lifting process, the telescopic rod is extended, the sealing plate rises, and the side of the cargo is fixed to avoid the cargo from tilting due to the cargo being stacked too high and the rising or falling process being unstable during the movement. However, the solution does not take measures to improve the lifting stability of the lifting plate.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Utility Model Content

[0004] The purpose of the utility model is to provide a stably lifting elevator in view of the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A stably lifting elevator comprises a fixed frame, a bearing frame and a driving mechanism, the bearing frame comprises a bearing bottom plate and connecting frames respectively arranged on both sides of the bearing bottom plate, a first vertical slide is arranged on the outer side of the fixed frame, and each connecting frame is arranged with a first roller corresponding to the first vertical slide; a lifting frame is arranged above the connecting frame, and second rollers are arranged at both ends of the lifting frame, and the fixed frame is arranged with a second vertical slide corresponding to the second roller; the driving mechanism comprises a hydraulic telescopic rod, a transmission sprocket arranged on the lifting frame, and a transmission chain matched with the transmission sprocket; the lower end of the hydraulic telescopic rod is fixed to the fixed frame, the telescopic end of the hydraulic telescopic rod is connected to the lifting frame, the fixed frame is arranged with a first connecting ear corresponding to one end of the transmission chain, and the connecting frame is arranged with a second connecting ear corresponding to the other end of the transmission chain; the first connecting ear and the second connecting ear are correspondingly connected at both ends of the transmission chain.

[0007] The fixing frame comprises four groups of vertical columns and a rectangular frame arranged on the top of the vertical columns; the cross section of the vertical columns is H-shaped, and the two U-shaped parts of the H-shaped columns are respectively the first vertical slideway and the second vertical slideway.

[0008] A first beam and a second beam are arranged between the two vertical columns. The first beam and the second beam are parallel to the connecting frame. The first beam is located below the second beam. The first beam is connected to a supporting leg. The lower end of the supporting leg is flush with the lower end of the vertical column. The lower end of the hydraulic telescopic rod is fixedly connected to the first beam. A first connecting ear is arranged on the second beam.

[0009] A support plate is provided at the lower end of each vertical column, and a lower guide wheel group is installed on each support plate. An upper guide wheel group is correspondingly provided on the rectangular frame, and four groups of upper connecting ears and four groups of lower connecting ears are correspondingly provided on the load-bearing frame; a steel wire rope led out from each lower connecting ear is wound around a group of lower guide wheel groups and two groups of upper guide wheel groups and then connected to the corresponding upper connecting ear.

[0010] Each lower guide wheel group includes one guide wheel, and each upper guide wheel group includes two guide wheels.

[0011] Compared with the prior art, the utility model has the beneficial effect that the utility model provides a lift that can be lifted and lowered smoothly. The transmission sprocket and the chain are meshed. Under the gravity of the load-bearing frame, the transmission chain is straightened by the pulling force of the fixed frame and the load-bearing frame. During use, the hydraulic telescopic rod is extended, the lifting frame rises, the transmission sprocket rotates, and the transmission chain pulls the load-bearing frame up. During the lifting process, the first roller rolls along the first vertical slide, and the second roller rolls along the second vertical slide. The sprocket, chain, vertical slide, roller, etc. cooperate with each other to make the lifting process more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of wire rope winding in the utility model.

[0014] Figure 3 It is a structural schematic diagram of the lifting frame in the utility model.

[0015] Figure 4 It is a structural schematic diagram of the carrier frame in the utility model.

[0016] In the figure: 1. fixed frame; 101. vertical column; 102. rectangular frame; 103. support plate; 104. first support beam; 105. second support beam; 106. lower connecting ear; 107. upper connecting ear; 2. bearing frame; 201. bearing bottom plate; 202. connecting frame; 203. first roller; 3. first vertical slide; 4. second vertical slide; 5. hydraulic telescopic rod; 6. first connecting ear; 7. second connecting ear; 8. lifting frame; 801. longitudinal beam; 802. end beam; 803. second roller; 804. support beam; 805. transmission sprocket; 9. lower guide wheel group; 10. upper guide wheel group. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0018] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. "Installed", "provided with", "connected", etc. can adopt conventional means in the prior art, such as: integral setting, snap-on installation, welding connection, adhesive connection, bolt connection, etc. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances, and suitable connection, setting or installation methods can be selected in the prior art.

[0019] like Figure 1-4As shown, a stably lifting elevator comprises a fixed frame 1, a bearing frame 2 and a driving mechanism, the bearing frame 2 comprises a bearing bottom plate 201 and connecting frames 202 respectively arranged on both sides of the bearing bottom plate 201, a first vertical slideway 3 is arranged on the outer side of the fixed frame 1, and each connecting frame 202 is arranged with a first roller 203 corresponding to the first vertical slideway 3; a lifting frame 8 is arranged above the connecting frame 202, and second rollers 803 are arranged at both ends of the lifting frame 8, and the fixed frame 1 is arranged with a second vertical slideway 4 corresponding to the second roller 803; the driving mechanism comprises a hydraulic telescopic rod 5, a transmission sprocket 805 arranged on the lifting frame 8, and a transmission chain (not shown in the figure) matched with the transmission sprocket 805; the lower end of the hydraulic telescopic rod 5 is fixed on the fixed frame 1, and the telescopic end of the hydraulic telescopic rod 5 is connected to the lifting frame 8, the fixed frame 1 is arranged with a first connecting ear 6 corresponding to one end of the transmission chain, and the connecting frame 202 is arranged with a second connecting ear 7 corresponding to the other end of the transmission chain; the first connecting ear 6 and the second connecting ear 7 are connected to the two ends of the transmission chain. The transmission sprocket and the chain are meshed, and the length of the chain is selected according to the needs. The hydraulic telescopic rod is retracted to the shortest, and the carrier is located at the lower limit position. The hydraulic telescopic rod is extended to the longest, and the carrier is located at the upper limit position. The transmission chain remains in a straightened state. During use, the hydraulic telescopic rod is extended, the lifting frame rises, the transmission sprocket rotates, and the transmission chain pulls the carrier to rise, making the lifting process more stable. Preferably, each lifting frame is provided with two sets of sprockets, each set of sprockets is equipped with a set of chains, and corresponding numbers of connecting ears are provided on the fixed frame and the connecting frame corresponding to the chain.

[0020] Specifically, the lifting frame 8 includes two longitudinal beams 801 parallel to each other, the ends of the two longitudinal beams 801 are connected by an end beam 802, the central shaft of the second roller 803 is installed on the end beam 802, the middle parts of the two longitudinal beams 801 are connected by a support beam 804, two sets of mounting plates are respectively arranged on both sides of the support beam 804, and the transmission sprocket 805 is rotatably connected to the mounting plate; the connecting frame 202 is a vertically arranged rectangular frame as a whole, and the top two ends of the rectangular frame are respectively bent outward vertically and extended to form a connecting portion, and the upper connecting ear 107, the lower connecting ear 106 and the first roller 203 are all installed on the connecting portion. In order to prevent the objects in the supporting frame 2 from entering the gap of the connecting frame 202, a protective net (not shown) can be installed on the side of the connecting frame 202 close to the supporting bottom plate 201; in order to facilitate assembly, the end of the transmission chain and the connecting ear can be connected by common fixed connection methods such as bolts, as long as they can be fixed. In addition, it should be noted that no guardrails are drawn at the front and back of the load-bearing frame. This is mainly because the utility model was originally designed for use in a factory building where the front / rear of the load-bearing frame can be closed. In order to adapt to other factory building applications, a guardrail / opening and closing door structure in the prior art can be added to the front / rear of the load-bearing frame. This is not the focus of the improvement of the utility model, nor is it related to solving the technical problems of the utility model, so it will not be elaborated.

[0021] In other embodiments, the transmission sprocket and the transmission chain may be replaced by a transmission wheel and a transmission belt accordingly.

[0022] In one embodiment, the fixing frame 1 includes four groups of vertical columns 101 and a rectangular frame 102 disposed on the top of the vertical columns 101; the cross section of the vertical columns 101 is H-shaped, and the two U-shaped portions of the H-shaped portion are respectively the first vertical slide 3 and the second vertical slide 4. During the lifting process, the first roller rolls along the first vertical slide, and the second roller rolls along the second vertical slide.

[0023] In one embodiment, a first support beam 104 and a second support beam 105 are arranged between two vertical columns 101, the first support beam 104 and the second support beam 105 are both parallel to the connecting frame 202, the first support beam 104 is located below the second support beam 105, the first support beam 104 is connected to a support leg, and the lower end of the support leg is flush with the lower end of the vertical column 101; the lower end of the hydraulic telescopic rod 5 is fixedly connected to the first support beam 104; and the second support beam 105 is provided with a first connecting ear 6.

[0024] In one embodiment, a support plate 103 is provided at the lower end of each vertical column 101, and a lower guide wheel group 9 is installed on each support plate 103. An upper guide wheel group 10 is correspondingly provided on the rectangular frame 102, and four groups of upper connecting ears 107 and four groups of lower connecting ears 106 are correspondingly provided on the support frame 2; a steel wire rope is led out from each lower connecting ear 106, and is wound around a group of lower guide wheel groups 9 and two groups of upper guide wheel groups 10, and then connected to the corresponding upper connecting ear 107, so as to improve the stability of the lifting process. Specifically, there are four vertical columns, and there are also four groups of lower guide wheel groups and upper guide wheel groups, which are all installed close to the vertical columns. Preferably, during the rope winding process, two groups of upper guide wheel groups, preferably two groups of upper guide wheel groups located on the diagonal lines, form a cross-shaped rope winding method on the vertical column.

[0025] In one embodiment, each lower guide wheel set 9 includes one guide wheel, and each upper guide wheel set 10 includes two guide wheels.

[0026] The above embodiments can be combined with each other.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A stably lifting lift, comprising a fixed frame, a bearing frame and a driving mechanism, characterized in that: The bearing frame includes a bearing base plate and connecting frames respectively arranged on both sides of the bearing base plate, a first vertical slide is arranged on the outer side of the fixed frame, and each connecting frame is arranged with a first roller corresponding to the first vertical slide; a lifting frame is arranged above the connecting frame, second rollers are arranged at both ends of the lifting frame, and the fixed frame is arranged with a second vertical slide corresponding to the second roller; the driving mechanism includes a hydraulic telescopic rod, a transmission sprocket arranged on the lifting frame, and a transmission chain matched with the transmission sprocket; the lower end of the hydraulic telescopic rod is fixed to the fixed frame, the telescopic end of the hydraulic telescopic rod is connected to the lifting frame, the fixed frame is arranged with a first connecting ear corresponding to one end of the transmission chain, and the connecting frame is arranged with a second connecting ear corresponding to the other end of the transmission chain; the first connecting ear and the second connecting ear are correspondingly connected at both ends of the transmission chain.

2. The elevator for smooth lifting according to claim 1, characterized in that: The fixing frame comprises four groups of vertical columns and a rectangular frame arranged on the top of the vertical columns; the cross section of the vertical columns is H-shaped, and the two U-shaped parts of the H-shaped columns are respectively the first vertical slideway and the second vertical slideway.

3. The elevator for smooth lifting according to claim 2, characterized in that: A first beam and a second beam are arranged between the two vertical columns. The first beam and the second beam are parallel to the connecting frame. The first beam is located below the second beam. The first beam is connected to a supporting leg. The lower end of the supporting leg is flush with the lower end of the vertical column. The lower end of the hydraulic telescopic rod is fixedly connected to the first beam. A first connecting ear is arranged on the second beam.

4. The elevator for smooth lifting according to claim 3, characterized in that: A support plate is provided at the lower end of each vertical column, and a lower guide wheel group is installed on each support plate. An upper guide wheel group is correspondingly provided on the rectangular frame, and four groups of upper connecting ears and four groups of lower connecting ears are correspondingly provided on the load-bearing frame; a steel wire rope led out from each lower connecting ear is wound around a group of lower guide wheel groups and two groups of upper guide wheel groups and then connected to the corresponding upper connecting ear.

5. The elevator for smooth lifting according to claim 4, characterized in that: Each lower guide wheel group includes one guide wheel, and each upper guide wheel group includes two guide wheels.

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