Width rigid supporting device for aluminum alloy underframe

Abstract

The utility model discloses an aluminum alloy underframe width rigid supporting device which comprises supporting rods and supporting seats, the supporting seats are arranged on the two sides of the supporting rods, the supporting rods comprise a first round steel supporting rod and a second round steel supporting rod, the supporting seats comprise a first supporting seat and a second supporting seat, and a hydraulic jack is connected between the first supporting seat and the first round steel supporting rod. The first round steel supporting rod is connected with the second round steel supporting rod through a screw rod, the second round steel supporting rod is connected with the second supporting seat, and nylon blocks are arranged on the outer sides of the first supporting seat and the second supporting seat; both the hydraulic jack and the screw rod in the device can be extended or shortened, the device can adapt to underframes with different width sizes, the universality of the device is ensured, the rigidity of the device is increased by adopting the round steel supporting rod and the jack, the shrinkage amount of the underframes can be counteracted when the underframes are welded and adjusted, the underframes are not prone to deformation, and the service life of the device is prolonged. Therefore, the width size of the underframe is ensured.

Description

Technical Field

[0001] The utility model relates to a supporting device, in particular to an aluminum alloy chassis width rigid supporting device. Background Art

[0002] With the continuous development of science and technology, subways have been widely used in various cities. The continuous speed increase of rail vehicles has put forward higher and higher requirements for the safe operation of vehicles. Among them, the quality and welding performance of rail vehicle bodies play a vital role in the safe operation of vehicles. The underframe of the aluminum alloy body is the support of subway passengers and the connection with the bogie. The quality requirements of the underframe are of utmost importance. However, in the process of manufacturing and producing the underframe, it is often encountered that the underframe is greatly deformed during welding, its width cannot be guaranteed, and its delivery size cannot be guaranteed through conventional adjustment methods. Utility Model Content

[0003] The technical problem to be solved by the utility model is that: in the prior art, the welding deformation of the chassis is large, the width of the chassis cannot be guaranteed, and the delivery size cannot be guaranteed through conventional adjustment and repair methods.

[0004] In order to solve the above technical problems, a technical solution provided by the utility model is:

[0005] A rigid support device for the width of an aluminum alloy chassis includes a support rod and a support seat, wherein the support seat is arranged on both sides of the support rod, the support rod includes a first round steel support rod and a second round steel support rod, the support seat includes a first support seat and a second support seat, a hydraulic jack is connected between the first support seat and the first round steel support rod, the first round steel support rod and the second round steel support rod are connected by a screw rod, and the second round steel support rod is connected to the second support seat.

[0006] Furthermore, the fixed end of the hydraulic jack is fixedly connected to the first support seat, and the telescopic end is fixedly connected to one end of the first round steel support rod.

[0007] Furthermore, the first support seat and the second support seat are both in contact with and connected to the profile that needs to be supported. The distance between the first support seat and the second support seat can be increased by extending the hydraulic jack, so that the profile that needs to be supported can be supported, thereby playing a role of rigid support.

[0008] Furthermore, the first round steel support rod and the second round steel support rod are each provided with a through hole along the center line, and the through holes are each provided with an internal thread. One end of the screw rod is arranged in the through hole on the first round steel support rod and is threadedly connected to the first round steel support rod, and the other end is arranged in the through hole on the second round steel support rod and is threadedly connected to the second round steel support rod.

[0009] Furthermore, the thread direction of the internal thread on the first round steel support rod is opposite to the thread direction of the internal thread on the second round steel support rod.

[0010] Furthermore, the screw rod is provided with a through hole perpendicular to the center line of the screw rod, and a crowbar is provided in the through hole.

[0011] The screw rod is rotated by using a crowbar to adjust the distance between the first support seat and the second support seat so that the profile that needs to be opened can be opened to play a role of rigid support.

[0012] The above-mentioned hydraulic jack and screw can increase the distance between the first support seat and the second support seat, increase the rigidity of the device, and make the device have a certain strength when the base frame is welded and adjusted to offset the shrinkage of the base frame, making it less likely to deform, thereby ensuring the width of the base frame.

[0013] Nylon blocks are arranged on the outer sides of the first support seat and the second support seat, and the nylon blocks are arranged between the first support seat and the base frame and between the second support seat and the base frame respectively, so as to prevent the base frame from contacting with dissimilar metals and causing oxidation of the aluminum alloy of the base frame; at the same time, it prevents the base frame from being indented during use of the device.

[0014] The beneficial effects of the utility model are:

[0015] 1. The hydraulic jack and the screw in the device can both increase or decrease the distance between the first support seat and the second support seat. The length of the device can be changed by the hydraulic jack or the screw according to the different widths of the vehicle models, thus ensuring the versatility of the device.

[0016] 2. This device uses round steel struts and jacks to increase the rigidity of the device. When the base frame is welded and adjusted, the device has a certain strength to offset the shrinkage of the base frame and prevent the base frame from deforming, thereby ensuring the width of the base frame.

[0017] 3. In this device, the nylon blocks are respectively arranged between the first support seat and the base frame and between the second support seat and the base frame to prevent the base frame from contacting with dissimilar metals and causing oxidation of the base frame aluminum alloy; at the same time, it avoids indentations on the base frame during use of the device.

[0018] 4. This device is highly versatile, easy to use, simple to operate and maintain, and is convenient for employees to operate and maintain; it can effectively control the shrinkage of the chassis after welding, further ensure the width of the chassis, reduce routine adjustments, and improve production efficiency.

[0019] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, the drawings described below are only two of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present device;

[0022] Figure 2 This is a schematic diagram of the structure of the second embodiment of the present device.

[0023] In the figure, 1-hydraulic jack, 2-first round steel support rod, 3-screw rod, 4-through hole, 5-second round steel support rod, 6-first support seat, 7-second support seat, 8-nylon block. DETAILED DESCRIPTION

[0024] The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, terms such as "installation", "setting", "connection", "fixation", and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The names of the messages or information exchanged between multiple devices in the implementation manner of the present utility model are only used for illustrative purposes, and are not used to limit the scope of these messages or information. Embodiment 1

[0027] like Figure 1 As shown, an aluminum alloy chassis width rigid support device includes a support rod and a support seat. Support seats are arranged on both sides of the support rod. The support rod includes a first round steel support rod 2 and a second round steel support rod 5. The support seat includes a first support seat 6 and a second support seat 7.

[0028] One end of the first support seat 6 is connected to the fixed end of the hydraulic jack 1, the telescopic end of the hydraulic jack 1 is welded to one end of the first round steel support rod 2, the other end of the first round steel support rod 2 is threadedly connected to the screw rod 3, the other end of the screw rod 3 is threadedly connected to one end of the second round steel support rod 5, and the other end of the second round steel support rod 5 is connected to one end of the second support seat 7.

[0029] The first round steel support rod 2 and the second round steel support rod 5 are both provided with through holes along the center line, and the through holes are both provided with internal threads. One end of the screw rod 3 is arranged in the through hole on the first round steel support rod 2 and is threadedly connected to the first round steel support rod 2, and the other end is arranged in the through hole on the second round steel support rod 5 and is threadedly connected to the second round steel support rod 5.

[0030] The screw rod 3 is provided with a through hole 4 which is perpendicular to the center line of the screw rod 3 , and a crowbar is arranged in the through hole 4 .

[0031] The thread direction of the internal thread on the first round steel support rod 2 is opposite to the thread direction of the internal thread on the second round steel support rod 5. When the screw rod 3 is rotated by using a crowbar, the first round steel support rod 2 and the second round steel support rod 5 are separated to both sides of the screw rod 3 or gathered to the middle of the screw rod 3, thereby increasing or shortening the distance between the first support seat 6 and the second support seat 7. The length of the device can be changed by the hydraulic jack 1 or the screw rod 3 according to the different width dimensions of the vehicle model, thereby ensuring the versatility of the device.

[0032] The other end of the first support seat 6 and the other end of the second support seat 7 are both in contact and connected with the two ends of the base frame to be supported. The first round steel support rod 2, the second round steel support rod 5 and the jack are used to increase the rigidity of the device. When the base frame is welded and adjusted, the device has a certain strength to offset the shrinkage of the base frame and make the base frame less likely to deform, thereby ensuring the width of the base frame.

[0033] During operation, measure the width of the inside of the aluminum alloy chassis that needs to be supported, and then use a crowbar to rotate the screw 3 to first adjust the length of the support to be no greater than the width of the inside of the aluminum alloy chassis, and then put the support into the inside of the aluminum alloy chassis that needs to be supported, and adjust the hydraulic jack 1 to lengthen the length of the support until the support can just open the inside of the aluminum alloy chassis, so that the device has a certain strength, which can be used to offset the shrinkage of the chassis when the chassis is welded and adjusted, so that the chassis is not easily deformed.

[0034] Embodiment 2: The difference from Embodiment 1 is that:

[0035] Nylon blocks 8 are provided on the outer sides of the first support seat 6 and the second support seat 7. The nylon blocks 8 are respectively arranged between the first support seat 6 and the base frame and between the second support seat 7 and the base frame to prevent the base frame from contacting with dissimilar metals and causing oxidation of the base frame aluminum alloy; at the same time, it avoids indentations on the base frame during use of the device.

[0036] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A rigid support device for the width of an aluminum alloy chassis, comprising a support rod and a support seat, wherein the support seat is disposed on both sides of the support rod, and wherein: The support rod includes a first round steel support rod and a second round steel support rod, and the support seat includes a first support seat and a second support seat. A hydraulic jack is connected between the first support seat and the first round steel support rod, the first round steel support rod and the second round steel support rod are connected by a screw rod, and the second round steel support rod is connected to the second support seat.

2. The aluminum alloy chassis width rigid support device according to claim 1 is characterized by: The first round steel support rod and the second round steel support rod are both provided with through holes along the center line, and the through holes are both provided with internal threads. One end of the screw rod is arranged in the through hole on the first round steel support rod and is threadedly connected to the first round steel support rod, and the other end is arranged in the through hole on the second round steel support rod and is threadedly connected to the second round steel support rod.

3. The aluminum alloy chassis width rigid support device according to claim 2 is characterized by: The thread direction of the internal thread on the first round steel support rod is opposite to the thread direction of the internal thread on the second round steel support rod.

4. The aluminum alloy chassis width rigid support device according to claim 3 is characterized by: The screw rod is provided with a through hole which is perpendicular to the center line of the screw rod, and a crowbar is arranged in the through hole.

5. The aluminum alloy chassis width rigid support device according to claim 1 or 4, characterized in that: The fixed end of the hydraulic jack is fixedly connected to the first support seat, and the telescopic end is fixedly connected to one end of the first round steel support rod.

6. The aluminum alloy chassis width rigid support device according to claim 5, characterized in that: Nylon blocks are arranged on the outer sides of the first supporting seat and the second supporting seat.

Images