Column type vehicle

Abstract

The utility model discloses a column type vehicle which comprises a vehicle body and a stand column lifting mechanism, and the stand column lifting mechanism is installed on the vehicle body. The stand column lifting mechanism comprises an electric push cylinder assembly, a first stand column, a second stand column, a third stand column and a fourth stand column. The first stand column is installed on the electric push cylinder assembly, the second stand column is arranged on the outer side of the first stand column in a sleeving mode, the third stand column is arranged on the outer side of the second stand column in a sleeving mode, and the fourth stand column is arranged on the outer side of the third stand column in a sleeving mode. The electric push cylinder assembly drives the second stand column to ascend and descend. The device further comprises a three-stretching stand column chain, one end of the three-stretching stand column chain is fixed to the first stand column, the other end of the three-stretching stand column chain is fixed to the third stand column, and a three-stretching stand column pulley matched with the three-stretching stand column chain is installed at the top end of the second stand column. The electric push cylinder assembly is adopted to drive the stand column to ascend and descend; the electric push cylinder assembly is located in the stand column, does not occupy external space and does not affect installation of other components.

Description

Technical Field

[0001] The utility model relates to the technical field of column type vehicles, in particular to a column type vehicle. Background Art

[0002] In the prior art, the concealing effect is often achieved by lifting columns or tilting horizontal arms. The column lifting method has requirements for fixed columns, and the lifting range is generally 1 / 2 of the fixed column.

[0003] A multi-stage lifting column for a window cleaning machine disclosed in publication number CN109480686A comprises a multi-section oil cylinder, a fixed column, a first movable column and a second movable column; wherein a first positioning device is provided on the fixed column, the first movable column is inserted into the fixed column, the first positioning device is inserted into the positioning hole on the side wall of the first movable column for positioning the first movable column; a second positioning device is provided on the first movable column, the second movable column is inserted into the first movable column, the second positioning device is inserted into the positioning hole on the side wall of the second movable column for positioning the second movable column; the multi-section oil cylinder is installed on the side of the fixed column, the first movable column and the second movable column; the multi-section oil cylinder solves the height requirement of the fixed column in the traditional column lifting device, and can obtain a larger lifting range in a shorter fixed column, so that the window cleaning machine has a better hiding effect.

[0004] The above-mentioned prior art adopts a multi-section oil cylinder drive, and the oil cylinder is located outside the column, resulting in more external structures of the equipment and occupying a larger space; affecting the installation of other components. Utility Model Content

[0005] The utility model aims to provide a column type vehicle to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a column vehicle, comprising a vehicle body and a column lifting mechanism, wherein the column lifting mechanism is installed on the vehicle body;

[0007] The column lifting mechanism includes an electric push cylinder assembly, a first column, a second column, a third column and a fourth column; the first column is mounted on the electric push cylinder assembly, the second column is sleeved on the outside of the first column, the third column is sleeved on the outside of the second column, and the fourth column is sleeved on the outside of the third column; the electric push cylinder assembly drives the second column to rise and fall;

[0008] It also includes a three-column extension chain, one end of which is fixed to the first column, and the other end of which is fixed to the third column, and a three-column extension pulley matching the three-column extension chain is installed on the top of the second column;

[0009] It also includes a four-column extension chain, one end of which is fixed on the second column, and the other end of which is fixed on the fourth column. A four-column extension pulley matching the four-column extension chain is installed on the top of the third column.

[0010] Preferably, a connecting rod is installed on the top of the first column, and the driving end of the electric push cylinder assembly is connected to the connecting rod through a pin.

[0011] Preferably, an ear plate is installed at the lower part of the electric push cylinder assembly, and the bottom of the first column is fixed on the base plate.

[0012] Preferably, it further comprises a frame, wherein the frame is mounted on the fourth column of the column lifting mechanism, and the frame is a telescopic frame.

[0013] Preferably, the vehicle body is a manual vehicle body or an automatic vehicle body.

[0014] Preferably, the frame comprises an intermediate frame, a slide rail and an end frame, and both ends of the intermediate frame are slidably connected to the end frames via the slide rail.

[0015] Preferably, the vehicle body is provided with a pothole protection assembly, which includes a guide rod, a connecting rod one, a connecting rod two and a support rod. The guide rod is movably mounted on the top of the vehicle body, the middle part of the connecting rod two is connected to the vehicle body through a pin, and the vehicle body is provided with a limit column for limiting the connecting rod two; the connecting rod two is rotatably connected to the connecting rod one and the guide rod respectively through a pin, and the end of the connecting rod one away from the connecting rod two is connected to the support rod through a pin.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The electric push cylinder assembly is used to drive the column to rise and fall; and the electric push cylinder assembly is located inside the column, and there is no driving structure outside the column, which does not occupy external space and does not affect the installation of other components.

[0018] 2. The rotation of the electric push cylinder motor drives the push cylinder push rod to extend upward. Since the lower end of the electric push cylinder is fixed on the first column and the upper end is fixed on the second column, the electric push cylinder pushes the second column upward during the extension process. At the same time, the third column is pulled up by extending the three-column chain during the rising process of the second column. When the third column rises, the fourth column is pulled up by extending the four-column chain. The lifting and lowering of each component is driven by the chain, and the structure is simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model when the frame is removed;

[0022] Figure 3 It is a structural schematic diagram of the column lifting mechanism of the utility model;

[0023] Figure 4 This utility model Figure 3 Schematic diagram of the structure when the fourth column is removed;

[0024] Figure 5 This utility model Figure 4 Schematic diagram of the structure when the third column is removed;

[0025] Figure 6 This utility model Figure 5 Schematic diagram of the structure when the second column is removed;

[0026] Figure 7 This utility model Figure 6 Schematic diagram of the structure when the first column is removed;

[0027] Figure 8 It is a structural schematic diagram of a vehicle body of the utility model.

[0028] In the figure: 1. vehicle body; 2. column lifting mechanism; 3. frame; 201. electric push cylinder assembly; 202. first column; 203. second column; 204. third column; 205. fourth column; 206. pulley for extending four columns; 207. chain for extending four columns; 208. chain for extending three columns; 209. pulley for extending three columns; 210. connecting rod; 211. ear plate; 11. guide rod; 12. connecting rod one; 13. connecting rod two; 14. spring; 15. support rod; 31. middle frame; 32. slide rail; 33. end frame. DETAILED DESCRIPTION

[0029] 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 in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0030] See also Figure 1 , Figure 2 and Figure 8 In the embodiment of the utility model, a column type vehicle comprises a vehicle body 1, a column lifting mechanism 2 and a frame 3, wherein the column lifting mechanism 2 is mounted on the vehicle body 1; the frame 3 is mounted on the fourth column 205 of the column lifting mechanism 2, and the frame 3 is a telescopic frame; the frame 3 comprises an intermediate frame 31, a slide rail 32 and an end frame 33, and both ends of the intermediate frame 31 are slidably connected to the end frame 33 through the slide rail 32; the vehicle body 1 is a manual vehicle body or an automatic vehicle body; the vehicle body 1 is provided with a pothole protection component 11, and the pothole protection component comprises a guide Rod 11, connecting rod 12, connecting rod 2 13 and support rod 15, the guide rod 11 is movably installed on the top of the vehicle body 1, and a spring 14 is installed between the connecting rod 2 12 and the vehicle body; the middle part of the connecting rod 2 13 is connected to the vehicle body 1 through a pin, and the vehicle body 1 is installed with a limiting column for limiting the connecting rod 2 13; the connecting rod 2 13 is rotatably connected with the connecting rod 1 12 and the guide rod 11 respectively through a pin, and the end of the connecting rod 12 away from the connecting rod 2 13 is connected to the support rod 15 through a pin; when a wheel accidentally enters the pit, it can play a protective role to prevent the equipment from tipping over.

[0031] like Figure 2-7 ; The column lifting mechanism 2 includes an electric push cylinder assembly 201, a first column 202, a second column 203, a third column 204 and a fourth column 205; the first column 202 is installed on the electric push cylinder assembly 201, the second column 203 is sleeved on the outside of the first column 202, the third column 204 is sleeved on the outside of the second column 203, and the fourth column 205 is sleeved on the outside of the third column 204; the electric push cylinder assembly 201 drives the second column 203 to rise and fall; a connecting rod 210 is installed on the top of the first column 202, and the driving end of the electric push cylinder assembly 201 is connected to the connecting rod 210 through a pin shaft; an ear plate 211 is installed at the lower part of the electric push cylinder assembly 201, and the bottom of the first column 202 is fixed to the bottom plate.

[0032] like Figure 4-6; It also includes a three-column extension chain 208, one end of which is fixed on the first column 202, and the other end of which is fixed on the third column 204, and a three-column extension pulley 209 cooperating with the three-column extension chain 208 is installed on the top of the second column 203; It also includes a four-column extension chain 207, one end of which is fixed on the second column 203, and the other end of which is fixed on the fourth column 205, and a four-column extension pulley 206 cooperating with the four-column extension chain 207 is installed on the top of the third column 204. The rotation of the electric push cylinder motor drives the push cylinder push rod to extend upward. Since the lower end of the electric push cylinder is fixed on the first column 202 and the upper end is fixed on the second column 203, the electric push cylinder pushes the second column 203 to extend upward during the extension process. At the same time, during the rising process of the second column 203, the third column 204 is pulled up by the three-column chain 208. While the third column 204 rises, the fourth column 205 is pulled up by the four-column chain 207. The weight of the fourth column 205 and the heavy object drops downward, and during the descent, the four-column chain 207 is pulled. The four-chain pushes the third column 204 downward through the four-pulley. While the third column 204 drops, the second column 203 is driven downward by the three-column chain 208. The second column 203 pushes the electric push cylinder to drop downward.

[0033] The working principle of the utility model is:

[0034] Ascending: The electric push cylinder motor rotates to drive the push cylinder push rod to extend upward. Since the lower end of the electric push cylinder is fixed on the first column 202 and the upper end is fixed on the second column 203, the electric push cylinder pushes the second column 203 upward during the extension process. At the same time, the third column 204 is pulled up by extending the three-column chain 208 during the rising process of the second column 203. When the third column 204 rises, the fourth column 205 is pulled up by extending the four-column chain 207;

[0035] Descending: The fourth column 205 and the weight of the heavy object descend downward, pulling the four-column chain 207 during the descent process, and the four-column chain pushes the third column 204 downward through the four-column pulley. While the third column 204 descends, the second column 203 is driven downward through the three-column chain 208, and the second column 203 pushes the electric push cylinder to descend downward.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A column vehicle, comprising a vehicle body (1) and a column lifting mechanism (2), characterized in that: The column lifting mechanism (2) is installed on the vehicle body (1); The column lifting mechanism (2) comprises an electric push cylinder assembly (201), a first column (202), a second column (203), a third column (204) and a fourth column (205); the first column (202) is mounted on the electric push cylinder assembly (201), the second column (203) is sleeved on the outside of the first column (202), the third column (204) is sleeved on the outside of the second column (203), and the fourth column (205) is sleeved on the outside of the third column (204); the electric push cylinder assembly (201) drives the second column (203) to rise and fall; It also includes a three-column extension chain (208), one end of the three-column extension chain (208) is fixed on the first column (202), and the other end of the three-column extension chain (208) is fixed on the third column (204), and a three-column extension pulley (209) that cooperates with the three-column extension chain (208) is installed on the top of the second column (203); It also includes a four-column extension chain (207), one end of which is fixed on the second column (203), and the other end of which is fixed on the fourth column (205). A four-column extension pulley (206) that cooperates with the four-column extension chain (207) is installed on the top of the third column (204).

2. A column vehicle according to claim 1, characterized in that: A connecting rod (210) is installed on the top of the first column (202), and the driving end of the electric cylinder assembly (201) is connected to the connecting rod (210) via a pin shaft.

3. A column vehicle according to claim 1, characterized in that: The lower part of the electric cylinder assembly (201) is provided with an ear plate (211), and the bottom of the first column (202) is fixed on the bottom plate.

4. A column vehicle according to claim 1, characterized in that: It also comprises a frame (3), wherein the frame (3) is mounted on the fourth column (205) of the column lifting mechanism (2), and the frame (3) is a telescopic frame.

5. A column vehicle according to claim 4, characterized in that: The frame (3) comprises an intermediate frame (31), a slide rail (32) and an end frame (33); both ends of the intermediate frame (31) are slidably connected to the end frame (33) via the slide rail (32).

6. A column vehicle according to claim 1, characterized in that: The vehicle body is provided with a pothole protection assembly, which comprises a guide rod (11), a connecting rod 1 (12), a connecting rod 2 (13) and a support rod (15); the guide rod (11) is movably mounted on the top of the vehicle body (1); a spring (14) is mounted between the connecting rod 2 (13) and the vehicle body (1); the middle part of the connecting rod 2 (13) is connected to the vehicle body (1) through a pin; the connecting rod 2 (13) is rotatably connected to the connecting rod 1 (12) and the guide rod (11) through a pin, and the end of the connecting rod 1 (12) away from the connecting rod 2 (13) is connected to the support rod (15) through a pin.

7. A column vehicle according to claim 1, characterized in that: The vehicle body (1) is provided with a limiting column for limiting the position of the second connecting rod (13).

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