Fabricated telescopic device

Abstract

The utility model discloses an assembly type telescopic device which comprises a connecting workpiece used for fixing a supporting oil cylinder and connecting a passive moving body, the connecting workpiece comprises an assembly frame and a connecting part fixedly connected to one side of the assembly frame, and the supporting oil cylinder used for providing stretching is arranged in the assembly frame in a penetrating mode. According to the assembling mechanism, the pin holes in the mounting plate and the assembling plate are aligned, then the pins sequentially penetrate through the pin holes in the mounting plate and the assembling plate to be fixed, assembling and mounting of the supporting oil cylinder and the assembling frame can be completed, the assembling mechanism is simple in structure, rapid and convenient to operate and high in assembling stability, a carriage can be kept stable in the supporting process, and the assembling efficiency is improved. The telescopic ends of the transverse telescopic mechanisms are connected, before telescopic supporting is conducted, the transverse horizontal pushing power device is started firstly to enable the telescopic cylinders to stretch out outwards, and in the telescopic process of the output ends of the telescopic cylinders of the supporting oil cylinders, the protection frame can be carried to ascend and descend together, so that the protection frame keeps the protection state of the output ends of the telescopic cylinders of the supporting oil cylinders.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of detachable carriage, especially a kind of assembly type telescopic device. BACKGROUND

[0002] With the rapid development of logistics transportation industry, detachable vehicle is widely used in container transportation, emergency material allocation and other fields due to its flexible loading and unloading and rapid transfer advantages.The carriage of such truck is usually equipped with hydraulic or mechanical support legs at four corners, which realize the separation or assembly of carriage and chassis frame by lifting.Before the assembly of carriage and truck frame, the carriage needs to be aligned with the truck frame, so a limiting device is needed to assist alignment.

[0003] The existing support mechanism of detachable vehicle has poor oil cylinder protection effect and is inconvenient to disassemble and assemble.

[0004] In the Chinese patent document with publication number CN202320977507.7, a kind of box car detachable automobile exchange box with hydraulic lifting is disclosed, which includes a truck and a chassis, the chassis is provided with two sliding grooves, the upper surface of the chassis is provided with a carriage, the inside of the carriage is provided with four support assemblies, and the four support assemblies are slidingly connected inside the two sliding grooves, the inside of the chassis is provided with a pushing assembly, in the box car detachable automobile exchange box with hydraulic lifting, the height of the carriage is stabilized by the support assembly, then the carriage is pushed out of the upper surface of the chassis by the pushing assembly, after the support assembly completes the support and assists the movement of the carriage, it is returned to its original position, the carriage is separated from the chassis, which not only facilitates workers to complete the loading and unloading directly by one person, without the need to go up and down, saves physical strength and improves work efficiency, but also allows the transport driver to unload the original carriage and load the new carriage after arriving at the destination, which greatly saves waiting time and improves economic efficiency, but the telescopic support mechanism body of the box car detachable automobile exchange box with hydraulic lifting is exposed, which affects the stability and service life.

[0005] In order to solve the above-mentioned problems in the prior art, it is a problem worth studying to provide an assembly type telescopic device. UTILITY MODEL CONTENTS

[0006] The utility model aims to overcome the shortcomings of the existing support mechanism of detachable vehicle, which has poor oil cylinder protection effect and is inconvenient to disassemble and assemble, and provides an assembly type telescopic device, which achieves the technical effect of fully protecting the oil cylinder and facilitating assembly.

[0007] The utility model achieves the above-mentioned purposes through the following technical solutions:

[0008] An assembled telescopic device, comprising a connecting workpiece for fixing a supporting oil cylinder and connecting a passive moving body, the connecting workpiece comprising an assembled frame, a connecting part fixedly connected to one side of the assembled frame, and a supporting oil cylinder provided inside the assembled frame for providing telescopic function.

[0009] The assembled frame is externally provided with a protective frame slidably connected to the outside of the assembled frame.

[0010] The connecting part comprises two mounting plates fixedly connected to the inside of the assembled frame, and a telescopic frame located at one side of the outside of the assembled frame.

[0011] The telescopic frame is shaped to match the shape of the inside of the slide rail of the carriage transverse telescopic mechanism, the connecting part is fixedly connected to the telescopic end of the carriage transverse telescopic mechanism through the telescopic frame or is internally provided in the square tube of the carriage transverse telescopic mechanism and then is fixed by welding, before telescopic support, the transverse telescopic mechanism is started to make the telescopic device extend outward, improving the overall stability of the carriage support.

[0012] The four corners of the mounting plate are provided with pin holes, and the middle part is provided with a through hole for supporting the main body part of the oil cylinder to pass through; the bottom of the main body part of the supporting oil cylinder or the periphery of the main body part of the cylinder is fixedly connected with an assembled plate, the assembled plate is provided with pin holes corresponding to the mounting plate, the assembled plate has high assembly stability and can keep stable during the carriage support.

[0013] Limiting grooves are provided at both sides of the middle part of the connecting part, the limiting grooves are located at the joint of the mounting plate and the telescopic frame and are used as limiting and up-and-down channels of the protective frame;

[0014] The side of the protective frame facing the telescopic frame is in a half-sealed open state, the shape of the limiting groove matches the shape of the two sides of the opening of the protective frame, and the opening of the protective frame can avoid interference between the protective frame and the telescopic frame during lifting.

[0015] Limiting bosses are provided at the top and bottom of the telescopic frame close to one side of the assembled frame; the limiting bosses are integrally cast with the mounting plate or the limiting bosses are integrally cast with the mounting plate and the telescopic frame, and the limiting bosses form a limiting structure by lathe processing.

[0016] A fixed pin hole is provided at the output end of the telescopic cylinder of the supporting oil cylinder, a supporting bottom plate is provided below the telescopic cylinder of the supporting oil cylinder, supporting bottom plate fixing ear plates are provided at the top of both sides of the supporting bottom plate, a protective frame fixing round hole or a half-open fixing hole is provided at the bottom of the protective frame, and a pin shaft is provided in the fixed pin hole.

[0017] The pins pass sequentially through the bottom fixing round hole or semi-open fixing hole of the protective frame, the fixing hole of the supporting base plate fixing ear plate, the fixing pin hole provided at the output end of the telescopic cylinder of the supporting cylinder, and the fixing hole of the supporting base plate fixing ear plate on the other side, as well as the bottom fixing round hole or semi-open fixing hole of the protective frame on the other side, for a total of 3 holes. The fixing of the three workpieces and the supporting base plate which is rotatably connected to the output end of the telescopic cylinder of the supporting cylinder can rotate within a certain range. When the supporting ground is uneven, the supporting base plate can slightly rotate its own angle to fit with the ground, improving the stability of the supporting base plate when it contacts the ground to complete the support.

[0018] The assembly frame has observation windows on both the front and rear sides. Below the observation windows of the assembly frame is a welding operation window. The panel of the connecting part has a window corresponding to the observation window on the assembly frame, which allows the welding torch to pass through the observation window and extend into the connecting part to weld and fix the connecting part and the transverse telescopic mechanism. The observation windows facilitate the operator to observe the welding status of the connecting part and the transverse telescopic mechanism during welding.

[0019] 1. This prefabricated telescopic device aligns the pin holes on the mounting plate and the assembly plate, and then the pins are passed through the pin holes on the mounting plate and the assembly plate in sequence for fixation, thus completing the assembly and installation of the support cylinder and the assembly frame. This assembly mechanism has a simple structure, quick operation, and high assembly stability, which can keep the carriage stable during the support process.

[0020] 2. In this prefabricated telescopic device, the telescopic end of the lateral telescopic mechanism is connected. Before telescopic support is performed, the lateral telescopic mechanism is activated to extend the telescopic device outward, thereby improving the overall stability of the carriage support.

[0021] 3. During the extension and retraction of the output end of the support cylinder telescopic cylinder, the prefabricated telescopic device can carry the protective frame up and down together, so that the protective frame keeps the output end of the support cylinder telescopic cylinder protected, and the support is completed by the bottom of the support base plate contacting the ground. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model in use.

[0023] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0024] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0025] Figure 4 This is a schematic diagram of the exploded structure of this utility model;

[0026] Figure 5 This utility modelFigure 4 Enlarged structural diagram at point B;

[0027] Figure 6 This is a schematic diagram of the assembly frame of this utility model;

[0028] Figure 7 This is a side view of the assembly frame of this utility model.

[0029] Figure 8 This is a cross-sectional structural diagram of the assembly frame of this utility model;

[0030] Figure 9 This utility model Figure 8 Enlarged structural diagram at point C;

[0031] Figure 10 This is a structural schematic diagram of the assembly frame connection part of this utility model;

[0032] Figure 11 This is an exploded view of the utility model in use.

[0033] Figure 12 for Figure 11 Cross-sectional view;

[0034] Figure 13 This is a schematic diagram of the structural state of the present invention in use. Figure Two ;

[0035] Figure 14 This is a schematic diagram of the limit protection slot structure;

[0036] In the diagram: 1-Assembly frame, 2-Connecting part, 201-Mounting plate, 202-Telescopic frame, 203-Limiting groove, 204-Limiting boss, 3-Supporting cylinder, 4-Protective frame, 5-Assembly plate, 6-Supporting base plate, 7-Fixing pin hole, 8-Pin shaft, 9-Observation window, 10-Welding operation window, 11-Limiting protection slot, 12-Sliding crossbeam, 13-Hollow crossbeam, 14-Horizontal pushing power device, 15-Connecting part through hole. Detailed Implementation

[0037] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Example

[0038] like Figures 1 to 10As shown in the figure, an assembled telescopic device includes a connecting workpiece for fixing and supporting the oil cylinder 3 and connecting the passive moving body, the connecting workpiece includes an assembly frame 1, a connecting part 2 fixedly connected to one side of the assembly frame 1, and the assembly frame 1 is internally provided with a supporting oil cylinder 3 for providing telescopic function, and the assembly frame 1 is externally provided with a protective frame 4 slidably connected to the outside of the assembly frame 1.

[0039] As shown in the figure, Figures 6 to 10 The connecting part 2 includes two mounting plates 201 fixedly connected to the inside of the assembly frame 1, and a telescopic frame 202 located at one side of the outside of the assembly frame 1;

[0040] The shape of the telescopic frame 202 is adapted to the shape of the inside of the slide rail of the carriage transverse telescopic mechanism, the connecting part 2 is fixedly connected to the telescopic end of the carriage transverse telescopic mechanism or internally inserted into the square tube of the carriage transverse telescopic mechanism and then fixed by welding, the connecting part 2 with the telescopic frame 202 is arranged on the assembly frame 1, the telescopic frame 202 is fixedly connected to the telescopic end of the carriage transverse telescopic mechanism by welding, the telescopic device is connected to the telescopic end of the transverse telescopic mechanism, and the transverse telescopic mechanism is started to make the telescopic device extend outward before telescopic support, thereby improving the overall stability of the carriage support.

[0041] Further, the end of the telescopic end of the transverse telescopic mechanism is provided with a U-shaped protective plate, the outside of the assembly frame 1 is half-enclosed and protected by the protective plate, and the assembly stability of the transverse telescopic mechanism and the assembly frame is improved.

[0042] As shown in the figure, Figures 2 to 5 The four corners of the mounting plate 201 are provided with pin holes, and the middle part is provided with a through hole for supporting the main body part of the oil cylinder; the main body part of the supporting oil cylinder 3 is fixedly connected with an assembly plate 5 on the bottom or the periphery of the main body part of the cylinder, the assembly plate 5 is provided with pin holes corresponding to the mounting plate 201, the assembly plate 5 with the matching pin holes is arranged on the bottom of the supporting oil cylinder 3, the pin holes on the mounting plate 201 and the assembly plate 5 are aligned when the telescopic device is installed, the pin is sequentially inserted into the pin holes of the mounting plate 201 and the assembly plate 5 for fixation, and the assembly and installation of the supporting oil cylinder 3 and the assembly frame 1 are completed, the assembly mechanism is simple in structure, fast in operation, high in assembly stability, and capable of keeping stable during carriage support.

[0043] As shown in the figure, Figures 2 to 10 The two sides of the middle part of the connecting part 2 are provided with limiting grooves 203, the limiting grooves 203 are located at the connection part of the mounting plate 201 and the telescopic frame 202, and are used as the limiting and up-and-down passage of the protective frame 4;

[0044] The side of the protection frame 4 facing the telescopic frame 202 is in a semi-sealed open state, the shape of the limiting groove 203 is matched with the shape of the two sides of the opening of the protection frame 4, by arranging the limiting groove 203 in the middle of the connecting part 2, the opening of the protection frame 4 can avoid interference with the telescopic frame 202 during lifting, and when assembling, the two sides of the opening of the protection frame 4 are assembled into the limiting groove 203, the limiting groove 203 can limit the horizontal freedom of the protection frame 4, so that the protection frame 4 can only move in the vertical direction, improve the stability of the protection frame 4 during lifting, and make the assembly of the protection frame 4 and the assembly frame 1 more tightly and stably.

[0045] As shown in Figures 7 to 10 The top and bottom of the telescopic frame 202 are provided with limiting bosses 204 close to one side of the assembly frame 1; the limiting bosses 204 and the mounting plate 201 are integrally cast, or the limiting bosses 204, the mounting plate 201 and the telescopic frame 202 are integrally cast, the limiting bosses 204 are limiting structures formed by lathe processing, by arranging the limiting bosses 204 on the top and bottom of the telescopic frame 202, when the telescopic device moves horizontally under the drive of the horizontal telescopic mechanism, the limiting bosses 204 can contact the end of the horizontal slide rail to complete limiting and buffering, avoiding the damage of the assembly frame 1 directly contacting the end of the horizontal slide rail during horizontal sliding. Embodiment

[0046] As shown in Figures 1 to 5 The telescopic cylinder output end of the supporting oil cylinder 3 is provided with a fixed pin hole 7, the supporting oil cylinder 3 is provided with a supporting bottom plate 6 below the telescopic cylinder, the top of the supporting bottom plate 6 is provided with supporting bottom plate fixing ears on both sides, the bottom of the protection frame 4 is provided with a protection frame fixed round hole or a semi-open fixed hole, and the fixed pin hole 7 is provided with a pin shaft 8;

[0047] The pin 8 passes sequentially through five holes: the bottom fixing round hole or semi-open fixing hole of the protective frame 4, the fixing hole of the fixing ear plate of the support base plate, the fixing pin hole of the output end of the telescopic cylinder of the support cylinder 3, the fixing hole of the fixing ear plate of the support base plate on the other side, and the bottom fixing round hole or semi-open fixing hole of the protective frame 4 on the other side. The three workpieces are fixed by setting a rotating support base plate 6 at the bottom of the output end of the telescopic cylinder of the support cylinder 3, and the output end of the telescopic cylinder of the support cylinder 3, the support base plate 6 and the protective frame 4 are rotatably connected by the pin 8. During the extension and retraction of the output end of the telescopic cylinder of the support cylinder 3, the protective frame 4 can be raised and lowered together, so that the protective frame 4 maintains the protective state of the output end of the telescopic cylinder of the support cylinder 3. The support is completed by the bottom of the support base plate 6 contacting the ground. The support base plate 6, which is rotatably connected to the output end of the telescopic cylinder of the support cylinder 3, can rotate within a certain range. When the ground is uneven, the support base plate 6 can slightly rotate its own angle to fit with the ground, improving the stability of the support base plate 6 when it contacts the ground to complete the support. Example

[0048] like Figures 6 to 7 As shown, observation windows 9 are provided on both the front and rear sides of the assembly frame 1. A welding operation window 10 is provided below the observation windows 9 of the assembly frame 1. A window corresponding to the observation windows 9 on the assembly frame 1 is provided on the panel of the connecting part 2. By providing an operation window 10 on one side of the assembly frame 1, after the connecting part 2 and the transverse telescopic mechanism are initially fitted together, the welding torch can be inserted into the connecting part 2 through the observation window 9 to weld and fix the connecting part 2 and the transverse telescopic mechanism. The observation window 9 makes it convenient for the operator to observe the welding status of the connecting part 2 and the transverse telescopic mechanism during welding.

[0049] The working principle of this utility model is as follows:

[0050] S1, such as Figures 11-14 As shown, before the telescopic support is installed, the horizontal pushing power device 14 (which can be a hydraulic cylinder or a pneumatic telescopic device) located in the hollow crossbeam 13 is activated. The telescopic rod of the horizontal pushing power device 14 extends and retracts towards one end of the hollow crossbeam, pushing the sliding crossbeam 12, which is fixedly connected to the telescopic end, to extend outward, thereby improving the overall stability of the carriage support. The outermost end of the sliding crossbeam 12 is welded and fixed with a limiting protective slot 11 made of vertical channel steel with an outward opening. The bottom of the channel of the limiting protective slot 11 is provided with a connecting part through hole 15, so that the connecting part 2 can pass smoothly into the sliding crossbeam 12 and be welded and fixed to the inside of the sliding crossbeam 12.

[0051] S2, after the preliminary cooperation of the connecting part 2 and the transverse telescopic mechanism is completed, the welding gun can be inserted into the connecting part 2 through the observation window 9, and the connecting part 2 and the transverse telescopic mechanism are welded and fixed, and the observation window 9 is opened to facilitate the operator to observe the welding condition of the connecting part 2 and the transverse telescopic mechanism during welding;

[0052] S3, when installing the telescopic device, the supporting oil cylinder 3 is inserted into the inner circular hole of the assembly frame 1, the pin hole of the mounting plate 201 and the assembly plate 5 is aligned, then the pin is sequentially inserted into the pin hole of the mounting plate 201 and the assembly plate 5 for fixation, and the assembly and installation of the supporting oil cylinder 3 and the assembly frame 1 are completed;

[0053] S4, during the telescopic process of the telescopic cylinder output end of the supporting oil cylinder 3, the protective frame 4 can be lifted together to keep the protective frame 4 in the protective state of the telescopic cylinder output end of the supporting oil cylinder 3, and the bottom of the supporting bottom plate 6 is in contact with the ground to complete the support;

[0054] S5, the supporting bottom plate 6 connected with the telescopic cylinder output end of the supporting oil cylinder 3 can rotate within a certain range, and in the case that the ground is uneven, the supporting bottom plate 6 can slightly rotate its own angle and be attached to the ground, so that the stability of the supporting bottom plate 6 when supporting the ground is improved.

[0055] The above is only used to explain the technical scheme of the utility model, not to limit it, and other modifications or equivalent replacements of the technical scheme of the utility model made by the ordinary skilled in the art should be covered in the claim range of the utility model.

Claims

1. A fabricated telescopic device comprising a connecting workpiece for fixing a support cylinder (3) and connecting a passive moving body, characterized in that: The connecting workpiece comprises an assembly frame (1), a connecting part (2) fixedly connected to one side of the assembly frame (1), and a supporting oil cylinder (3) provided inside the assembly frame (1) for providing extension and contraction.

2. An assembly according to claim 1, wherein: The assembly frame (1) is externally provided with a protection frame (4) slidably connected to the outside of the assembly frame (1).

3. The assembly of claim 1, wherein: The mounting plate (201) is provided with pin holes at four corners and a through hole for the main body of the supporting oil cylinder to pass through at the middle part.

4. The assembly of claim 2, wherein: The protection frame (4) is in a half-closed open state on the side facing the extension frame (202), and the shape of the limiting groove (203) is matched with the shape of the two sides of the opening of the protection frame (4).

5. The assembly of claim 1, wherein: The extension frame (202) is provided with a limiting boss (204) on the side close to the assembly frame (1) at the top and the bottom.

6. The assembly of claim 1, wherein: The supporting oil cylinder (3) is provided with a fixed pin hole (7) at the output end of the telescopic cylinder, and a supporting bottom plate (6) is arranged below the telescopic cylinder of the supporting oil cylinder (3).

7. A modular telescoping device according to claim 6, wherein: The pin shaft (8) sequentially passes through the bottom fixed circular hole or half-open fixed hole of the protection frame (4), the fixed hole of the supporting bottom plate fixing ear plate, the fixed pin hole provided at the output end of the telescopic cylinder of the supporting oil cylinder (3), the fixed hole of the supporting bottom plate fixing ear plate on the other side, and the bottom fixed circular hole or half-open fixed hole of the protection frame (4) on the other side, a total of five holes, and three workpieces are fixed.

8. The assembly of claim 1, wherein: The assembly frame (1) is provided with an observation window (9) on the front and rear sides, and a welding operation window (10) is arranged below the observation window (9) of the assembly frame (1). The panel of the connecting part (2) is provided with a window corresponding to the observation window (9) on the assembly frame (1).

Images