TWI635039B

TWI635039B - Car jacking machine

Info

Publication number: TWI635039B
Application number: TW106125357A
Authority: TW
Inventors: 陳宗翔
Original assignee: 銘倫精機股份有限公司
Priority date: 2017-07-27
Filing date: 2017-07-27
Publication date: 2018-09-11
Also published as: TW201910251A

Abstract

本發明關於一種頂車機，其包括複數液壓缸，各該液壓缸包括一可滑動之活塞桿，該頂車機包括一連接件，該連接件穿設於該等活塞桿以確保該等液壓缸之伸縮距離一致。The present invention relates to a jacking machine comprising a plurality of hydraulic cylinders, each of the hydraulic cylinders comprising a slidable piston rod, the jacking machine comprising a connecting member, the connecting member being threaded through the piston rods to ensure the hydraulic pressure The expansion and contraction distance of the cylinder is the same.

Description

頂車機Top car

本發明係有關於一種頂車機。The invention relates to a jacking machine.

按，一般頂車機係用於將車輛舉起，以方便進行維修，習知頂車機至少具有四升降架，以供升降如遊覽車、卡車的大型車輛，並在各升降架裝設液壓管件，且習知頂車機另設有數量對應該等液壓管件之油壓缸，藉由油壓缸注入或抽出工作流體，即可使液壓管件伸縮以控制各升降架樞擺，進而將車輛保持水平進行升降。然而，由於習知頂車機係利用同時控制該等油壓缸作動之方式，由於車體之重量不平均，該等油壓缸所承受之壓力會不同，便容易使該等油壓缸之作動距離出現誤差而使車輛傾斜，如車輛傾斜掉落會造成人員重大傷亡，存在亟待改善之缺弊。According to the general top car machine, it is used to lift the vehicle to facilitate maintenance. The conventional top car has at least four lifting frames for lifting large vehicles such as tour buses and trucks, and hydraulic pressure is installed on each lifting frame. Pipe fittings, and the conventional top car machine is provided with a hydraulic cylinder corresponding to the number of hydraulic pipe fittings. By injecting or withdrawing the working fluid by the hydraulic cylinder, the hydraulic pipe fittings can be telescoped to control the pivoting of the lifting frames, and then the vehicle is Keep level up and down. However, since the conventional jacking machine utilizes the manner of simultaneously controlling the operation of the hydraulic cylinders, since the weight of the vehicle body is uneven, the pressures of the hydraulic cylinders are different, and it is easy to make the hydraulic cylinders There is an error in the driving distance to tilt the vehicle. If the vehicle is tilted and dropped, it will cause heavy casualties, and there are defects that need to be improved.

因此，有必要提供一種新穎且具有進步性之頂車機，以解決上述之問題。Therefore, it is necessary to provide a novel and progressive top car to solve the above problems.

本發明之主要目的在於提供一種頂車機，包括複數液壓缸，各該液壓缸包括一可滑動之活塞桿，該頂車機包括一連接件，該連接件穿設於該等活塞桿以確保該等液壓缸之伸縮距離一致，以使各升降架之推升距離相同。The main object of the present invention is to provide a jacking machine comprising a plurality of hydraulic cylinders, each of the hydraulic cylinders comprising a slidable piston rod, the jacking machine comprising a connecting member, the connecting member being disposed through the piston rods to ensure The telescopic distances of the hydraulic cylinders are the same so that the lifting distances of the lifting frames are the same.

為達成上述目的，本發明提供一種頂車機，其包括複數升降架、複數液壓伸縮件、複數液壓缸及一連接件。該等升降架包括相樞接之一第一臂部與一第二臂部。各該液壓伸縮件之兩端係分別連接於一該升降架之該第一臂部與該第二臂部之間。各該液壓缸包括一可滑動之活塞桿，各該液壓缸內之工作流體係連通於一該液壓伸縮件內。該連接件連接於該等活塞桿，該連接件使該等活塞桿之升降距離相同，以使該等液壓缸之伸縮距離一致。In order to achieve the above object, the present invention provides a jacking machine comprising a plurality of lifting frames, a plurality of hydraulic expansion members, a plurality of hydraulic cylinders and a connecting member. The lifting frame includes a first arm portion and a second arm portion that are pivotally connected. The two ends of each of the hydraulic expansion joints are respectively connected between the first arm portion and the second arm portion of the lifting frame. Each of the hydraulic cylinders includes a slidable piston rod, and the working fluid system in each of the hydraulic cylinders is in communication with a hydraulically-expandable member. The connecting member is connected to the piston rods, and the connecting member makes the lifting rods have the same lifting distance so that the telescopic distances of the hydraulic cylinders are the same.

以下僅以實施例說明本發明可能之實施態樣，然並非用以限制本發明所欲保護之範疇，合先敘明。The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

請參考圖1至7，其顯示本發明之一較佳實施例，本發明之頂車機包括複數升降架1、複數液壓伸縮件2、複數液壓缸3及一連接件4。Referring to Figures 1 through 7, there is shown a preferred embodiment of the present invention. The jacking machine of the present invention comprises a plurality of lifting frames 1, a plurality of hydraulic telescopic members 2, a plurality of hydraulic cylinders 3 and a connecting member 4.

該等升降架1包括相樞接之一第一臂部11與一第二臂部12。The lifting frame 1 includes a first arm portion 11 and a second arm portion 12 that are pivotally connected.

各該液壓伸縮件2之兩端係分別連接於一該升降架1之該第一臂部11與該第二臂部12之間，藉由各該液壓伸縮件2伸縮即可帶動該第一臂部11與該第二臂部12相樞擺，以使該等腳架升降。The two ends of the hydraulic expansion and contraction member 2 are respectively connected between the first arm portion 11 and the second arm portion 12 of the lifting frame 1, and the first and second hydraulic expansion and contraction members 2 can be used to drive the first The arm portion 11 pivots with the second arm portion 12 to raise and lower the tripods.

各該液壓缸3包括一可滑動之活塞桿31，各該液壓缸3內之工作流體（於本實施例中係為油體）係連通於一該液壓伸縮件2內，藉由滑動該活塞桿31即可將該液壓缸3內之工作流體導入該液壓伸縮件2或自該液壓伸縮件2導回該液壓缸3。Each of the hydraulic cylinders 3 includes a slidable piston rod 31. The working fluid (in the present embodiment, the oil body) in each of the hydraulic cylinders 3 is connected to a hydraulic expansion joint 2 by sliding the piston. The rod 31 can guide the working fluid in the hydraulic cylinder 3 to the hydraulic expansion/contractor 2 or from the hydraulic expansion cylinder 2 to the hydraulic cylinder 3.

該連接件4連接於該等活塞桿31，該連接件4使該等活塞桿31之升降距離相同，以使該等液壓缸3之伸縮距離一致，以使該等液壓伸縮件2之伸縮距離一致，以確保該等液壓缸3連動且該等液壓伸縮件2連動，該等腳架之升降距離即為相同，可有效避免該等腳架所升舉起之車輛傾斜。The connecting member 4 is connected to the piston rods 31, and the connecting members 4 make the lifting distances of the piston rods 31 the same, so that the telescopic distances of the hydraulic cylinders 3 are uniform, so that the telescopic distance of the hydraulic expansion and contraction members 2 Consistently, to ensure that the hydraulic cylinders 3 are interlocked and the hydraulic expansion joints 2 are interlocked, the lifting distances of the legs are the same, and the inclination of the vehicle lifted by the tripods can be effectively avoided.

較佳地該頂車機另包括一驅動單元5，該驅動單元5設有複數可移動之驅動件51，各該驅動件51係連接於一該液壓缸3之活塞桿31。進一步的說，於本實施例中該等驅動件51係可轉動的設於該驅動單元5，各該驅動件51之一端係可相對轉動地連接於一該活塞桿31。因此藉由驅動該等驅動件51轉動，即可控制該等活塞桿31滑動。具體而言，各該活塞桿31設有一組接件32，各該驅動件51係樞接於一該組接件32。Preferably, the top loading machine further comprises a driving unit 5, wherein the driving unit 5 is provided with a plurality of movable driving members 51, each of which is connected to a piston rod 31 of the hydraulic cylinder 3. Further, in the embodiment, the driving members 51 are rotatably disposed on the driving unit 5, and one end of each of the driving members 51 is rotatably connected to the piston rod 31. Therefore, by driving the driving members 51 to rotate, the piston rods 31 can be controlled to slide. Specifically, each of the piston rods 31 is provided with a plurality of connecting members 32, and each of the driving members 51 is pivotally connected to the set of connecting members 32.

較佳地，該連接件4係為一桿件41，於本實施例中該桿件41係為圓桿，該連接件4係穿設於該等活塞桿31，並為水平設置，以有效地確保該等活塞桿31之滑動距離一致。進一步的說，於本實施例中該連接件4穿設於該等組接件32與該等驅動件51，以使該等活塞桿31、該等驅動件51為連動狀態，故可有效避免該等腳架所升舉起之車輛傾斜。Preferably, the connecting member 4 is a rod member 41. In the embodiment, the rod member 41 is a round rod. The connecting member 4 is threaded through the piston rods 31 and is horizontally disposed to be effective. It is ensured that the sliding distances of the piston rods 31 are the same. Further, in the embodiment, the connecting member 4 is disposed in the connecting member 32 and the driving members 51, so that the piston rods 31 and the driving members 51 are in a linked state, thereby effectively avoiding The vehicles lifted by the tripods are tilted.

具體而言，於本實施例中該等升降架1包括二該升降架1，該二升降架1係平行且間隔設置。其中各該升降架1之一端係連接設有一承載件6，該二承載件6係相平行且該二承載件6係呈矩形扁長狀，以供承載車輛。Specifically, in the present embodiment, the lifting frames 1 include two lifting frames 1 which are arranged in parallel and at intervals. One of the ends of the lifting frame 1 is connected with a carrier member 6 which is parallel and the two carrier members 6 are rectangular and elongated for carrying the vehicle.

綜上，本發明之頂車機，該連接件使該等活塞桿之升降距離相同，以使該等液壓缸之伸縮距離一致，以使該等液壓伸縮件之伸縮距離一致，以確保該等液壓缸連動且該等液壓伸縮件連動，該等腳架之升降距離即為相同，可有效避免該等腳架所升舉起之車輛傾斜。In summary, in the jacking machine of the present invention, the connecting member makes the lifting distances of the piston rods the same, so that the telescopic distances of the hydraulic cylinders are uniform, so that the telescopic distances of the hydraulic telescopic members are uniform to ensure the same. When the hydraulic cylinders are linked and the hydraulic expansion joints are interlocked, the lifting distances of the tripods are the same, which can effectively avoid the tilting of the vehicle lifted by the tripods.

1‧‧‧升降架
2‧‧‧液壓伸縮件
3‧‧‧液壓缸
4‧‧‧連接件
5‧‧‧驅動單元
6‧‧‧承載件
11‧‧‧第一臂部
12‧‧‧第二臂部
31‧‧‧活塞桿
32‧‧‧組接件
41‧‧‧桿件
51‧‧‧驅動件1‧‧‧lifting frame
2‧‧‧Hydraulic expansion joints
3‧‧‧Hydraulic cylinder
4‧‧‧Connecting parts
5‧‧‧ drive unit
6‧‧‧Carrier
11‧‧‧ First arm
12‧‧‧ Second arm
31‧‧‧ piston rod
32‧‧‧Sets
41‧‧‧ rods
51‧‧‧ drive parts

圖1為本發明一較佳實施例之立體圖。圖2為本發明一較佳實施例之局部立體圖。圖3為圖2之側視圖。圖4及圖5為本發明一較佳實施例之局部作動示意圖。圖6及圖7為本發明一較佳實施例之腳架升降示意圖。1 is a perspective view of a preferred embodiment of the present invention. 2 is a partial perspective view of a preferred embodiment of the present invention. Figure 3 is a side view of Figure 2. 4 and 5 are schematic views showing a partial operation of a preferred embodiment of the present invention. 6 and FIG. 7 are schematic diagrams showing the lifting and lowering of the tripod according to a preferred embodiment of the present invention.

Claims

一種頂車機，包括：複數升降架，包括相樞接之一第一臂部與一第二臂部；複數液壓伸縮件，各該液壓伸縮件之兩端係分別連接於一該升降架之該第一臂部與該第二臂部之間；複數液壓缸，各該液壓缸包括一可滑動之活塞桿，各該液壓缸內之工作流體係連通於一該液壓伸縮件內；一連接件，連接於該等活塞桿，該連接件使該等活塞桿之升降距離相同，以使該等液壓缸之伸縮距離一致；一驅動單元，該驅動單元設有複數可移動之驅動件，各該驅動件係連接於一該液壓缸之活塞桿；其中，各該活塞桿設有一組接件，各該驅動件係樞接於一該組接件。 A jacking machine comprising: a plurality of lifting frames, comprising: a first arm portion and a second arm portion pivotally connected; a plurality of hydraulic expansion members, wherein the two ends of the hydraulic expansion member are respectively connected to a lifting frame Between the first arm portion and the second arm portion; a plurality of hydraulic cylinders, each of the hydraulic cylinders including a slidable piston rod, wherein each working fluid system in the hydraulic cylinder is in communication with a hydraulic expansion joint; Connected to the piston rods, the connecting members make the lifting distances of the piston rods the same, so that the telescopic distances of the hydraulic cylinders are the same; a driving unit, the driving unit is provided with a plurality of movable driving members, each The driving member is connected to a piston rod of the hydraulic cylinder; wherein each of the piston rods is provided with a plurality of connecting members, and each of the driving members is pivotally connected to a set of the connecting members.

如請求項1所述的頂車機，其中該等驅動件係可轉動的設於該驅動單元，各該驅動件之一端係可相對轉動地連接於一該活塞桿。 The jacking machine of claim 1, wherein the driving members are rotatably disposed on the driving unit, and one end of each of the driving members is rotatably coupled to a piston rod.

如請求項2所述的頂車機，其中該連接件係為一桿件，該連接件係為水平設置並穿設於該等組接件與該等驅動件。 The jacking machine of claim 2, wherein the connecting member is a rod, the connecting member is horizontally disposed and threaded through the assembly and the driving members.

如請求項1所述的頂車機，其中該等升降架包括二該升降架，該二升降架係平行且間隔設置。 A top loading machine according to claim 1, wherein the lifting frames comprise two lifting frames, the two lifting frames being arranged in parallel and at intervals.

如請求項4所述的頂車機，其中各該升降架之一端係連接設有一承載件，該二承載件係相平行且該二承載件係呈矩形扁長狀。 The top loading machine of claim 4, wherein one of the lifting frames is connected to a carrier, the two carriers are parallel and the two carriers are rectangular and elongated.

如請求項1所述的頂車機，其中該連接件係為一桿件，該連接件係穿設於該等活塞桿，並為水平設置。 The jacking machine of claim 1, wherein the connecting member is a rod, the connecting member is threaded through the piston rods and disposed horizontally.

如請求項3所述的頂車機，其中該等升降架包括二該升降架，該二升降架係平行且間隔設置；各該升降架之一端係連接設有一承載件，該二承載件係相平行且該二承載件係呈矩形扁長狀。 The top loading machine of claim 3, wherein the lifting frame comprises two lifting frames, the two lifting frames are parallel and spaced apart; one end of each of the lifting frames is connected with a carrier member, and the two carrier members are The two carriers are parallel and have a rectangular flat shape.