446655 A7 B7_ 五、發明說明（1 ) 發明所屬技術領域 (請先閱讀背面之注意事項再填寫本頁) 本發明係有關於汽車維修用昇降機中用來將左右車載 台昇降於相同高度之油壓同步裝置。 習知技術 爲了以個別油壓缸將左右載載台昇降、保持於相同高 度，須將2個油壓缸之壓給油控制於同量。就具備此種功 能之油壓同步裝置而言，過去已知有第9及1 0圖所示技 術。第9圖所示裝置配置成，於油壓組件51與2個油壓 缸52A，5 2B之間設有同步缸筒53。第10圖所示 裝置分別以編碼器5 4 A，5 4 Β檢測2個油壓缸5 2 A ，5 2 B之作動量，根據此等信號，電控制電路5 5控制 比例控制閥5 6 A，5 6 B。 發明所欲解決之問題 惟由於第9圖所示裝置之油壓缸5 2A，5 2B往復 一次，行進同步缸筒5 3之1行程，故在油壓缸5 2 A， 經濟部智慧財產局員工消費合作社印製 5 2 B的尺寸或行程大情形下，同步缸筒5 3與其相對應 大型化，亦要求加工精度，成本變得極高。又，在第1 0 圖所示裝置情形下，由於電檢測油壓缸5 2 A，5 2 B之 作動量，故若提高編碼器54A，54B之同步精度，電 控制電路5 5之構成即會變得複雜，成本增高。 因此，本發明旨在提供一種以簡單，小型且廉價機構 獲得高同步精度之裝置。 本紙張尺度適用中國國家標準（CNS)A4規格（210 * 297公釐） 446 65 5 Α7 _ Β7 .五、發明說明θ ) 用以解決問顆之羊Ρ (諝先閱讀背面之注意事項再填寫本頁) 爲解決上述問題，本發明油壓同步裝置係於以個別油· 壓缸昇降左右車載台之汽車維修用昇降機中，由隨著左右’ 車載台昇降而移動之索條構件，根據索條構件之張力變化 機械式檢測左右車載台高低差之檢測機構，以及依據檢測 機構之輸出將左右油壓缸之壓給油控制成同量之閥組件所 構成（申請專利範圍第1項）。 又，本發明之油壓同步裝置爲了於異常發生時馬上停 止昇降機，具備於前述車載台之高低差超溫容許値時停止 左右油壓缸之裝置（申請專利範圍第2項）。 前述檢測機構爲了可高精度檢測車載台之高低差，含 有根據索條構件之張力變化移動之移動體，以及與移動體 聯動而輸出左右車載台高低差之輸出構件（申請專利範圍 第3，4項）。移動體可例示者有根據索條構件之張力變 化轉動之構件或滑動之構件。 經濟部智慧財產局貝工消費合作社印製 於此情形下，於前述閥組件設有藉輸出構件推動之柱 塞，藉柱塞調整閥度之節流閥，以及啓閉節流閥與油壓缸 間之油壓管路之電磁閥（申請專利範圍第5，6項）。_ 於本發明較佳實施形態中設有經由個別X鏈式伸縮機 構支持前述車載台於昇降機底座，於各伸縮機構之腳部與 車載台聯動而前後運動之滾子軸，於昇降機底座周圍張設 索條構件，聯結滾子軸於索條構件之2個位置（申請專利 範圍第7項）。根據使用X鏈式伸縮機構之昇降機’由於 -5- 本紙張尺度適用中國國家標準（CNS)A4規格<210 X 297公釐） 446655 A7 B7 五、發明說明@ ) 較請滾子軸之移動量，車載台之昇降量大，故藉由滾子軸 <請先閱讀背面之注意事項再填寫本頁} 聯結於索條構件，可用小機構確實檢測出車載台之高低差 〇 且，亦可使用鋼絲、皮帶來作爲索條構件，雖如此， 自獲得高檢測精度一點看來，卻以使用鏈條較佳（申請專 利範圍第8、9項）。 發明之實施形態 以下根據圖式說明本發明之實施形態。如第1圖所示 ，於此實施形態之汽車維修用昇降機中，左右車載台1 A ，：LB經由個別X鏈式伸縮機構2A，2 B支持於昇降機 底座3，藉個別油壓缸4 A，4 B昇降。於左側伸縮機構 2 A之腳部設有與車載台1 A聯動而前後運動之滾子軸 5A，於右側伸縮機構2 B之腳部設有與車載台1 B聯動 而前後運動之滾子軸5 B。 經濟部智慧財產局員工消費合作社印製 如第2圖所示，於昇降機底座3周圍，作爲索條構件 之鏈條7藉複數鏈輪8張設成3字形無端狀。鏈條7左側 一部份經由接頭9 A聯結於滾子輪5 A，右側一部份經由 接頭9 B聯結於滾子軸5 B。又，於鏈條7右側部份設有 交叉部7 a，於中央部安裝張力調節具1 〇，隨著左右車 載台ΙΑ，1B昇降，鏈條7正逆旋轉。 另一方面，於鏈條7左側部份並設根據鏈條7之相對 部之間的張力差機構式檢測左右車載台1 A，1 B高低差 之檢測機構1 2，以及依據檢測機構1 2之輸出將左右油 6 - 本紙張尺度適用+國國家標準（CNS)A4規格（210 * 297公釐） 446655 A7 ____B7_____ 五、發明說明（4 ) (請先閱讀背面之注意事項再填寫本頁) 壓缸4A，4 B之壓給油控制於同量之閥組件1 3。檢測 機構1 2具備於鏈條7之相對部之間沿前後方向伸延’作 爲移動體之轉動板1 4，轉動1板1 4之中央部藉軸1 5可 轉動支持於昇降機底座3。 如第3圖所示，於轉動板1 4，在以軸1 5爲中心之 圓周上安裝前後一對活動鏈輪1 6，1 7。於昇降機底座 3上，在前側之活動鏈輪1 6前方及後方各安裝一個固定 鏈輪1 8，並在後側活動鏈輪1 7前方及後方各安裝二個 固定鏈輪1 9。並且，將鏈條7捲繞於此等鏈輪1 6 ’ 17，18，19上，於左右車載台ΙΑ，1B發生高低 差時，轉動板1 4藉鏈條7之相對部之間的張力差轉動。 於閥組件1 3前面，L字形槓桿2 1 —端.藉軸2 2可 搖動支持，槓桿2 1另一端經由連桿2 3聯結於轉動板 1 4之中央部。葉片板2 4對向閥組件1 3前面而固定於 槓桿2 1上，4支輸出螺栓2 5A〜2 5D螺接於葉片板 24。並且，如第4圖所示，葉片板24與轉動板14聯 動而搖動，各輸出螺栓2 5 A〜2 5 D產生對應於左右車 載台ΙΑ，1B之高低差之輸出。 經濟部智慧財產局員工消費合作社印製 如第5及6圖所示，於閥組件1 3前面突設四支柱塞 2 7A〜2 7D。柱塞2 7A藉左上輸出螺栓2 5A推動 ，柱塞2 7D藉左下輸出螺栓2 5D推動。又，柱塞 2 7 B藉在上輸出螺栓2 5 B推動，柱塞2 7 C藉左下輸 出螺栓25C推動。 四個節流閥2 8A〜2 8D裝入閥組件1 3內部。節 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ~~ 446655 B7 五、發明說明@ ) (請先閱讀背面之注意事項再填寫本頁) 流閥2 8 A藉由以柱塞2 7 A調整開度增減供至左側油壓 缸4 A之供給油量，節流閥C藉由以柱塞2 7 C調整開度 增減左側油壓缸4 A之排出油量。又’節流閥2 8 B藉由 以柱塞2 7 B調整開度增減供至左側油壓缸4 B之供給油 量，節流閥2 8 D藉由以柱塞2 7 D調整開度增減右側油 壓缸4B之排出油量。 於閥組件1 3後側安裝四個電磁閥2 9 A〜2 9 D。 電磁閥2 9 A啓閉節流閥2 8 A與左側油壓缸4 A間之油 壓管路，電磁閥2 9 C啓閉節流閥2 8 C與左側油壓缸 4A間之油壓管路，電磁閥2 9 B啓閉節流閥2 8 B與右 側油壓缸4 B間之油壓管路’電磁閥2 9 D啓閉節流閥 2 8 D與右側油壓缸4 B間之油壓管路。於第5圖中’ 3 4係左缸接口 ’ 3 5係右缸接口 ’ 3 6係泵接口，3 7 係槽接口。於第6圖中’ 30A，3. 0B係非常時刻下降 車載台ΙΑ，1B之下降閥，38A ’ 38B係防止車載 台1 A，1B異常下降之安全閥’ 39係泵，如係槽。 經濟部智慧財產局員工消費合作社印製 另一方面，如第3圖所示，於昇降機底座3，前後一 對極限開關3 1A，3 1 B配設成對向轉動板4之二端部 。如第7圖所示，此等極限開關3 1A，3 1B串聯連接 於電磁閥2 9A〜29D之電磁線圈SOL 1〜S0L4 與電源32之間。並且’在左車載台ΙΑ，1B之高低差 超過容許値，轉動板1 4順時鐘方向或逆時鐘方向轉動預 定角度以上時，極限開關31A或31B作動，所有電磁 閥2 9 A〜2 9 D切換至關閉位置，左右油壓缸4A， -8 - 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 44665 5 A7 ____B7___ 五、發明說明（6 ) 4B馬上停止。且，於第7圖中，PBU係上昇用按鈕開 關，PBD係下降用按鈕開關。 (請先閱讀背面之注意事項再填寫本頁) 其次就如上述構成之油壓同步裝置之作用加以說明。 —按壓上昇用按鈕開關PBU，電磁線圈SOL I及 SOL 2即勵磁，電磁閥2 9A及2 9 B即開啓，壓給油 自栗3 9供至左右油壓缸4A，4B，左右車載台1A及 1 B上昇。在各車載台1 A及1 B之高度相等情形下，由 於左右滾子軸5 A及5 B向前移動相同距離（於第圖中L =R )，故鏈條7之相對部之間不會發生壓力差，轉動板 1 4及葉片板2 4於中立位置保持於停止狀態=因此*柱 塞2 7A及2 7B使節流閥2 8A及2 8 B開啓相同開度 ，同量壓給油通過電磁閥2 9 A及2 9 B，供至左右油壓 缸4A及4B，左右車載台1A及1B保持於相同高度。446655 A7 B7_ V. Description of the invention (1) Technical field of the invention (please read the precautions on the back before filling out this page) The present invention relates to the hydraulic pressure used to lift left and right vehicle platforms to the same height in a car maintenance lift. Sync device. Known technology In order to raise and lower the left and right carriers at the same height with individual hydraulic cylinders, the oil pressure of the two hydraulic cylinders must be controlled to the same amount. As for a hydraulic synchronizing device having such a function, the technologies shown in Figs. 9 and 10 have been known in the past. The device shown in Fig. 9 is arranged so that a synchronous cylinder 53 is provided between the hydraulic module 51 and the two hydraulic cylinders 52A, 5 2B. The device shown in Figure 10 detects the momentum of the two hydraulic cylinders 5 2 A and 5 2 B with encoders 5 4 A and 5 4 B, respectively. Based on these signals, the electric control circuit 5 5 controls the proportional control valve 5 6 A, 5 6 B. The problem to be solved by the invention is only because the hydraulic cylinders 5 2A and 5 2B of the device shown in FIG. 9 reciprocate once and travel the synchronous cylinder barrel 5 3 to 1 stroke. Therefore, at the hydraulic cylinder 5 2 A, the Intellectual Property Bureau of the Ministry of Economic Affairs In the case where the size or stroke of the 5 2 B printed by the employee consumer cooperative is large, the corresponding synchronous cylinder 5 3 is enlarged correspondingly, processing accuracy is also required, and the cost becomes extremely high. In addition, in the case of the device shown in Fig. 10, since the momentum of the hydraulic cylinders 5 2 A and 5 2 B is electrically detected, if the synchronization accuracy of the encoders 54A and 54B is improved, the configuration of the electrical control circuit 55 is It can become complicated and costly. Therefore, the present invention aims to provide a device for obtaining high synchronization accuracy with a simple, small, and inexpensive mechanism. The size of this paper applies the Chinese National Standard (CNS) A4 specification (210 * 297 mm) 446 65 5 Α7 _ Β7. 5. Description of the invention θ) To solve the question of sheep P (谞 Please read the notes on the back before filling (This page) In order to solve the above problems, the hydraulic synchronizing device of the present invention is a car maintenance elevator that lifts the left and right vehicle platforms by individual oil and pressure cylinders. The tension change of the strip member is a detection mechanism that mechanically detects the height difference between the left and right vehicle platforms, and a valve assembly that controls the oil pressure of the left and right hydraulic cylinders to the same amount according to the output of the detection mechanism (the first patent application scope). In addition, in order to stop the elevator immediately when an abnormality occurs, the hydraulic synchronizing device of the present invention is provided with a device for stopping the left and right hydraulic cylinders at the time when the height difference and over-temperature of the vehicle-mounted platform allow it (the second in the scope of patent application). In order to detect the height difference of the vehicle platform with high accuracy, the aforementioned detection mechanism includes a moving body that moves according to the tension change of the cable member, and an output member that outputs the height difference of the left and right vehicle platform in cooperation with the moving body (application patent scope 3, 4) item). Examples of the moving body include a member that rotates or a member that slides according to a change in the tension of the cable member. Printed by Shelley Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs. In this case, the aforementioned valve assembly is provided with a plunger pushed by the output member, a throttle valve adjusted by the plunger, and an on-off throttle valve and oil pressure. Solenoid valve for oil pressure pipeline between cylinders (No. 5,6 of patent application scope). _ In the preferred embodiment of the present invention, a roller shaft supporting the aforementioned vehicle platform on the elevator base via individual X-chain telescopic mechanisms is provided, and the foot of each telescopic mechanism is linked with the vehicle platform to move forward and backward, and is stretched around the elevator base. A cable member is set, and the roller shaft is connected at two positions of the cable member (item 7 in the scope of patent application). According to the lifter using X-chain telescopic mechanism, -5- Because this paper size is applicable to China National Standard (CNS) A4 specifications < 210 X 297 mm) 446655 A7 B7 V. Description of the invention @) Please move the roller shaft The amount of lifting of the vehicle platform is large, so by using the roller shaft < please read the precautions on the back before filling in this page} By connecting to the cable member, the height difference of the vehicle platform can be detected with a small mechanism. Wires and leather belts can be used as cable members. However, from the point of view of obtaining high detection accuracy, it is better to use chains (items 8 and 9 of the scope of patent applications). Embodiments of the Invention Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, in the elevator for automobile maintenance in this embodiment, the left and right vehicle platforms 1 A, LB are supported by the elevator base 3 via individual X-chain telescopic mechanisms 2A, 2 B, and by individual hydraulic cylinders 4 A , 4 B lift. A roller shaft 5A is provided on the leg portion of the left telescopic mechanism 2 A in linkage with the vehicle platform 1 A, and a roller shaft is provided in the leg portion of the right telescopic mechanism 2 B in conjunction with the vehicle platform 1 B to move forward and backward. 5 B. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. As shown in Figure 2, around the base 3 of the elevator, a chain 7 serving as a cable member is provided in a figure 3 endless shape by a plurality of sprocket wheels. The left part of the chain 7 is connected to the roller wheel 5 A via a joint 9 A, and the right part is connected to the roller shaft 5 B via a joint 9 B. In addition, a cross section 7a is provided on the right side of the chain 7, and a tension adjuster 10 is installed at the center. As the left and right vehicle platforms IA, 1B move up and down, the chain 7 rotates forward and reverse. On the other hand, the left side of the chain 7 is provided with a detection mechanism 12 that detects the height difference between the left and right vehicle stations 1 A and 1 B based on the tension difference between the opposite parts of the chain 7 and the output based on the detection mechanism 12 Will be left and right oil 6-This paper size applies + National Standard (CNS) A4 specification (210 * 297 mm) 446655 A7 ____B7_____ V. Description of the invention (4) (Please read the precautions on the back before filling this page) The pressure oil supply of 4A and 4 B is controlled by the valve components of the same amount. The detecting mechanism 12 is provided with a rotating plate 14 as a moving body extending between the opposing portions of the chain 7 in the front-rear direction. The central portion of the rotating plate 1 4 is rotatably supported by the elevator base 3 by a shaft 15. As shown in Fig. 3, a pair of front and rear movable sprocket wheels 16 and 17 are mounted on the rotating plate 14 on the circumference centered on the shaft 15. On the elevator base 3, a fixed sprocket 18 is installed in front of and behind the movable sprocket 16 on the front side, and two fixed sprocket 19 is installed in front of and behind the movable sprocket 17 on the rear side. Then, the chain 7 is wound around these sprocket wheels 16'17, 18, 19, and when the height difference between the left and right vehicle platforms IA, 1B occurs, the rotating plate 14 is rotated by the tension difference between the opposite parts of the chain 7. . In front of the valve assembly 1 3, the L-shaped lever 2 1 is at one end. The shaft 2 2 can be rocked and supported. The other end of the lever 21 is connected to the center of the rotating plate 14 through a link 23. The vane plate 2 4 is fixed to the lever 21 in front of the valve assembly 1 3, and 4 output bolts 2 5A to 2 5D are screwed to the vane plate 24. In addition, as shown in FIG. 4, the blade plate 24 and the rotating plate 14 are shaken in association with each other, and each output bolt 2 5 A to 2 5 D produces an output corresponding to the height difference between the left and right vehicle platforms 1A, 1B. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs As shown in Figures 5 and 6, four-pillar plugs 2 7A to 2 7D are protruded in front of the valve assembly 13. The plunger 2 7A is pushed by the upper left output bolt 2 5A, and the plunger 2 7D is pushed by the lower left output bolt 2 5D. The plunger 2 7 B is pushed by the upper output bolt 2 5 B, and the plunger 2 7 C is pushed by the lower left output bolt 25C. The four throttle valves 2 8A to 2 8D are installed inside the valve assembly 1 3. The paper size of this paper applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ~~ 446655 B7 V. Description of the invention @) (Please read the precautions on the back before filling this page) Flow valve 2 8 A by Adjust the opening degree with the plunger 2 7 A to increase or decrease the amount of oil supplied to the left hydraulic cylinder 4 A, and the throttle valve C adjusts the opening degree with the plunger 2 7 C to increase or decrease the oil discharged from the left hydraulic cylinder 4 A the amount. Also, the throttle valve 2 8 B is adjusted by opening the plunger 2 7 B to increase or decrease the amount of oil supplied to the left hydraulic cylinder 4 B, and the throttle valve 2 8 D is opened by adjusting the plunger 2 7 D. Increase or decrease the amount of oil discharged from the right hydraulic cylinder 4B. Install four solenoid valves 2 9 A to 2 9 D on the rear side of the valve assembly 1 3. Solenoid valve 2 9 A opening and closing throttle valve 2 8 A and the left hydraulic cylinder 4 A hydraulic line, solenoid valve 2 9 C opening and closing throttle valve 2 8 C and the left hydraulic cylinder 4A hydraulic pressure Line, solenoid valve 2 9 B on-off throttle valve 2 8 B and hydraulic cylinder on the right side 4 B 'solenoid valve 2 9 D on-off throttle valve 2 8 D and right cylinder 4 B Between oil pressure lines. In Figure 5, '3 4 series left cylinder interface' 3 5 series right cylinder interface '3 6 series pump interface, 3 7 series slot interface. In Fig. 6, '30A, 3.0B is a descending valve of the vehicle station IA, 1B, 38A' 38B is a safety valve, which prevents the vehicle station 1A, 1B from falling abnormally, 39, such as a tank. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. On the other hand, as shown in Figure 3, a pair of limit switches 3 1A and 3 1 B are arranged on the lift base 3 to oppose the two ends of the rotating plate 4. As shown in FIG. 7, these limit switches 3 1A, 3 1B are connected in series between the solenoid coils SOL 1 to S0L4 of the solenoid valves 29A to 29D and the power source 32. In addition, when the difference between the height of the left vehicle platform IA and 1B exceeds the permissible threshold, when the rotating plate 14 is rotated clockwise or counterclockwise by a predetermined angle or more, the limit switches 31A or 31B are activated, and all solenoid valves 2 9 A to 2 9 D Switch to the closed position, left and right hydraulic cylinders 4A, -8-This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 44665 5 A7 ____B7___ 5. Description of the invention (6) 4B immediately stops. In Fig. 7, the PBU is a push-button switch for ascending, and the PBD is a push-button switch for descending. (Please read the precautions on the back before filling out this page.) Next, the function of the hydraulic synchronizing device configured as described above will be explained. —Press the push button switch PBU for ascending. The solenoid coils SOL I and SOL 2 are excited. The solenoid valves 2 9A and 2 9 B are opened. The pressure oil is supplied from the pump 39 to the left and right hydraulic cylinders 4A and 4B. And 1 B goes up. In the case where the heights of the respective mobile stations 1 A and 1 B are equal, the left and right roller shafts 5 A and 5 B move the same distance forward (L = R in the figure), so the opposite parts of the chain 7 will not When a pressure difference occurs, the rotating plate 14 and the vane plate 2 4 are kept in a stopped state in the neutral position = therefore * the plungers 2 7A and 2 7B open the throttle valves 2 8A and 2 8 B to the same opening degree, and the same pressure is applied to the oil through the electromagnetic The valves 2 9 A and 2 9 B are supplied to the left and right hydraulic cylinders 4A and 4B, and the left and right vehicle stations 1A and 1B are maintained at the same height.
經濟部智慧財產局員工消费合作fl印K 相對於此，在任何原因下左側車載台1 A較右側車載 台1 B高時，左側滾子軸5 A之移動距離較右側滾子軸 5B之移動動距離長（L>R)，由於鏈條7之全長一定 ，故於其相對部之間，內側鬆而外側緊，藉此張力差，轉 動板1 4順第3圖之時鐘方向轉動。並且，經由連桿2 3 及槓桿2 1_，扇葉板2 4同樣順時鐘搖動，輸出螺栓 25A推入柱塞27A，使節流閥28之開度縮小.，供至 左側油壓缸4 A之供給油量較供至右側油壓缸4 B之供給 油量少'結果，左右車載台1 A及1 B —致爲相同高度。 相反地，在左側車載台1 A較左側車載台1 B低情形 下，滾子軸5 A之移動距離變成較右側滾子軸5 B之移動 ^纸張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐) ^ 4 4 6 6 5 5 A7 B7 五、發明說明α ) (請先閱讀背面之注意事項再填寫本頁) 距離短（L < R )，於鏈條7之相對部之間，內側緊外側 鬆，藉此張力差，轉動板1 4如第3圖逆時鐘方向轉動。 並且，葉片板2 4亦逆時鐘方向搖動，輸出螺栓2 5 Β推 入柱塞2 7 Β，便節流閥2 8 Β之開度縮小，供至右側油 壓缸4 Β之供給油量變成較供至左側油壓缸4 Α之供給油 量少，結果，左右車載台1 A及1 B —致爲相同高度。 另一方面，按壓下降用按鈕開關P B D時，電磁線圈 SOL 3及S0L4勵磁，電磁閥29 C及29D開啓， 壓給油自左右油壓缸4A，4B排至槽4 0，左右車載台 1A及1B下降。在各車載台1A與1B之高度相等情形 下，如周上昇時，於鏈條7之相對部之間未發生張力差， 轉動板1 4及葉片板2 4於中立位置保持於停止狀態。因 此，柱塞2 7 C及2 7 D將節流閥2 8 C及2 8 D開啓成 相同開度，同量壓給油自左右油壓缸4A及4 B流出，左 右車載台1A與1B保持於相同高度。 經濟部智慧財產局員工消費合作社印®t 相對於此，在左側車載台1 A變成較右側車載台1 B 高情形下，於鏈條7之相對部之間，內側鬆外側緊，藉此 張力差，轉動板1 4如第3圖順時鐘方向轉動。並且，葉 片板2 4同樣順時鐘方向搖動，輸出螺栓2 5 D推入柱塞 ，節流閥2 8 D之開度縮小，右側油壓缸4 B之排出油量 變成較左側油壓缸4 A之排出油量少，結果，左右車載台 1A與1B —致爲相同高度。 相反地，在左側車載台1 A變成較右側車載台1 B低 情形下，於鏈條7之相對部之間，內側緊外側鬆，藉此張 -10- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X297公釐） 446655 A7 B7 經濟部智慧財產局員工消費合作法印製 五、發明說明潜) 力差，轉動板1 4如第3圖逆時鐘方向轉動。並且，葉片 板2 4亦逆時鐘方向轉動》並且，葉片板2 4亦逆時鐘方 向搖動，輸出螺栓2 5 C推入柱塞2 7 C，節流閥2 8 C 之開度縮小，左側油壓缸4 A之排出油量變成較右側油壓 缸4 B之排出油量少，結果，左右車載台1 A與1 B等齊 爲相同高度。 根據此實施形態之油壓同步裝置，由於轉動板1 4依 據鏈條7之相對部間之張力差機械式檢測左右車載台1 A ’ 1 B之高低差，故相較於使用同步缸筒，編碼器之習知 裝置，可簡單且低廉地分別構成檢測機構1 2以及油壓和 電控制回路，同時，故障減少，可長時間維持高的同步精 度。又，由於上昇時或下降時，一旦左右車載台1A， 1 B之高低差超過容許値，極限開關3 1 A或3 1 B作動 ，馬上停止左右油壓缸4A，4B，故可防止汽車在大的 傾斜狀態下昇的危險於未然。 第8圖係顯示本發明油壓同步裝置之變更例者。於此 油壓同步裝置中，使用一開口鏈條4 1作爲索條構件，使 用滑動板4 2作爲檢測機構1 2之移動體。鏈條4 1之一 端經由一接頭9 A自前方聯結於左側滾子軸5 A，另一端 經由接頭9 B及張力調節具1 0自後方連結於右側滾子軸 5 B。滑動板4 2以一對長孔4 3可前後方向滑動支持於 昇降機上之固定軸4 4，藉彈簧4 5朝後方（箭頭方向） 施加勢能。 並且，鏈條4 1捲繞在支持於滑動板4 2之活動鏈輪 -------- !裝 i I (請先閲讀背面之注意事項再填寫本頁}The consumer cooperation of the Intellectual Property Bureau of the Ministry of Economic Affairs fl India K In contrast, when the left-hand vehicle station 1 A is higher than the right-hand vehicle station 1 B for any reason, the left roller axis 5 A moves more than the right roller axis 5B The moving distance is long (L > R). Because the total length of the chain 7 is constant, the inner side is loose and the outer side is tight between the opposite parts. Due to the difference in tension, the rotating plate 14 rotates in the clockwise direction of FIG. 3. In addition, through the connecting rod 2 3 and the lever 2 1_, the fan blade 2 4 also swings clockwise, the output bolt 25A is pushed into the plunger 27A, and the opening of the throttle valve 28 is reduced. It is supplied to the left hydraulic cylinder 4 A As a result, the amount of oil supplied is less than the amount of oil supplied to the right hydraulic cylinder 4 B. As a result, the left and right vehicle platforms 1 A and 1 B are at the same height. On the contrary, in the case where the left vehicle-mounted station 1 A is lower than the left vehicle-mounted station 1 B, the moving distance of the roller shaft 5 A becomes the moving distance of the right roller shaft 5 B ^ The paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ^ 4 4 6 6 5 5 A7 B7 V. Description of the invention α) (Please read the notes on the back before filling in this page) Short distance (L < R), on the opposite side of the chain 7 In between, the inner side is tight and the outer side is loose. Due to the tension difference, the rotating plate 14 is rotated counterclockwise as shown in FIG. 3. In addition, the blade plate 24 is also shaken counterclockwise, and the output bolt 2 5 Β is pushed into the plunger 2 7 Β. The opening of the throttle valve 2 8 Β is reduced, and the amount of oil supplied to the right hydraulic cylinder 4 Β becomes The amount of oil supplied is smaller than that supplied to the left hydraulic cylinder 4 A. As a result, the left and right vehicle-mounted stations 1 A and 1 B are at the same height. On the other hand, when the lower push button switch PBD is pressed, the electromagnetic coils SOL 3 and S0L4 are excited, the solenoid valves 29 C and 29D are opened, and the pressure oil is discharged from the left and right hydraulic cylinders 4A and 4B to the slot 40, and the left and right vehicle stations 1A and 1B drops. In the case where the heights of each of the vehicle-mounted stations 1A and 1B are equal, when the circumference rises, there is no tension difference between the opposite parts of the chain 7, and the rotating plate 14 and the blade plate 24 are kept in a stopped state at the neutral position. Therefore, the plungers 2 7 C and 2 7 D open the throttle valves 2 8 C and 2 8 D to the same opening degree, and the same amount of pressure oil flows out from the left and right hydraulic cylinders 4A and 4 B, and the left and right vehicle stations 1A and 1B are maintained. At the same height. On the other hand, in the case of the Consumer Cooperative Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, when the left-hand car station 1 A becomes higher than the right-hand car station 1 B, the inner side of the chain 7 is loosened and the outer side is tight. , The rotating plate 14 rotates clockwise as shown in FIG. 3. In addition, the blade plate 24 is also rocked in the clockwise direction, the output bolt 2 5 D is pushed into the plunger, the opening of the throttle valve 2 8 D is reduced, and the amount of oil discharged from the right hydraulic cylinder 4 B becomes larger than the left hydraulic cylinder 4 The amount of oil discharged from A is small. As a result, the left and right vehicle-mounted stations 1A and 1B are the same height. Conversely, in the case where the left-hand vehicle station 1 A becomes lower than the right-hand vehicle station 1 B, the inside of the chain 7 is loosened tightly on the outside between the opposite parts of the chain 7, so that this paper size applies to Chinese National Standards (CNS) A4 specifications (210 X297 mm) 446655 A7 B7 Printed by the Consumer Property Cooperation Act of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the potential of the invention) The rotating plate 14 is rotated counterclockwise as shown in Figure 3. In addition, the blade plate 2 4 also rotates counterclockwise. Also, the blade plate 2 4 also swings counterclockwise. The output bolt 2 5 C is pushed into the plunger 2 7 C. The opening of the throttle valve 2 8 C is reduced, and the oil on the left side is reduced. The amount of oil discharged from the hydraulic cylinder 4 A becomes smaller than the amount of oil discharged from the right hydraulic cylinder 4 B. As a result, the left and right vehicle platforms 1 A and 1 B are at the same height. According to the oil pressure synchronizing device of this embodiment, since the rotating plate 14 mechanically detects the height difference between the left and right vehicle stations 1 A '1 B according to the tension difference between the opposite parts of the chain 7, compared with the use of a synchronous cylinder, the encoding The conventional device of the device can separately and inexpensively constitute the detection mechanism 12 and the oil pressure and electric control circuits. At the same time, the fault is reduced, and high synchronization accuracy can be maintained for a long time. In addition, when the height difference between the left and right vehicular stations 1A and 1 B exceeds the allowable threshold during the ascent or descent, the limit switches 3 1 A or 3 1 B are actuated to immediately stop the left and right hydraulic cylinders 4A and 4B, which can prevent the vehicle from The danger of ascending in a large tilted state is unforeseen. Fig. 8 shows a modification of the hydraulic synchronizing device of the present invention. In this hydraulic synchronizing device, an open chain 41 is used as a cable member, and a sliding plate 42 is used as a moving body of the detection mechanism 12. One end of the chain 41 is connected to the left roller shaft 5 A through a joint 9 A from the front, and the other end is connected to the right roller shaft 5 B through a joint 9 B and a tension adjuster 10 from the rear. The sliding plate 4 2 is supported by a pair of long holes 4 3 in a forward-backward direction on a fixed shaft 4 4 on the elevator, and exerts potential energy toward the rear (in the direction of the arrow) by means of a spring 4 5. Also, the chain 4 1 is wound around the movable sprocket supported by the sliding plate 4 2 --------! Install i I (Please read the precautions on the back before filling this page}
V 訂： 1.· 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公芨） -11- 446655 A7 B7 五、發明說明（P ) (請先閱讀背面之注意事項再填寫本頁) 47及支持於昇降機底座之固定鏈輪4 8，鏈條4 1之左 側部份4 1 a鬆弛時’滑動板4 2藉彈簧4 5之彈撥力朝 後方滑動，鏈條4 1之右側部份4 1 b緊張時，滑動板 4 2反抗彈簧4 5之彈撥力朝前方滑動。又，滑動板4 2 經由連桿46聯結於槓桿21 ，配置成，槓桿21 ’葉片 板2 4及閥組件1 3隨著滑動板4 2前後運動如同前述實 施形態作動。 因此，即便是此變更例，亦可藉簡單且小型之機構高 精度使左右油壓缸同步。且，非常狀況停止用極限開關 3 1 A * 3 1 B配設在對向滑動板4 2之二端面之位置。 其他構成與前述實施形態相同，於圖式中標以相同符號’ 省略其說明。 本發明不限於上述實施形態，例如，使用鋼絲，皮帶 來代替鏈條，使用無需電氣之類型之閥組件’應用於雙柱 式汽車維修用昇降機之油壓同步裝置等，亦可在不悖離本 發明要旨範圍內適當變更各部形狀及構成來實施° 經濟部智慧財產局員工消費合作；ϋ印製 如以上詳述，根據本發明油壓同步裝置’由於根據索 條構件之張力變化機械式檢測左右車載台之高低差’故奏 得以簡單，小型且低廉機構獲得高同步精度之優異效果° 圖式之簡單說明 第1圖係顯示本發明一實施形態之汽車維修用昇降機 之斜視圖。 第2圖係第1圖之昇降機之平面圖。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -12 - 446655 A7 B7 五、發明說明（1〇 )Revision V: 1. · This paper size is applicable to Chinese National Standard (CNS) A4 (210 X 297 cm) -11- 446655 A7 B7 V. Description of Invention (P) (Please read the notes on the back before filling this page ) 47 and the fixed sprocket 4 8 supported on the base of the elevator, the left part of the chain 4 1 4 1 a when the 'slip plate 4 2 slides to the rear by the spring force of the spring 4 5, the right part 4 of the chain 4 1 When 1 b is tight, the sliding plate 4 2 slides forward against the plucking force of the spring 4 5. The slide plate 4 2 is connected to the lever 21 via a link 46, and is arranged such that the lever 21 'blade plate 24 and the valve assembly 13 move back and forth with the slide plate 4 2 as in the aforementioned embodiment. Therefore, even in this modified example, the left and right hydraulic cylinders can be synchronized with high accuracy by a simple and small mechanism. In addition, the limit switch 3 1 A * 3 1 B for emergency stop is disposed at the position of the end face of the opposite sliding plate 4 2. Other structures are the same as those of the previous embodiment, and the same symbols are used in the drawings to omit their description. The present invention is not limited to the above-mentioned embodiments. For example, using a steel wire and a leather belt instead of a chain, using a valve assembly of the type that does not require electricity, and applying the hydraulic synchronizing device of a two-post car maintenance elevator, etc. Within the scope of the invention, appropriately change the shape and composition of each part to implement ° Consumers ’cooperation with employees of the Intellectual Property Bureau of the Ministry of Economic Affairs; ϋ Printed as detailed above, according to the present invention, the hydraulic synchronizing device is mechanically detected due to the change in tension of the cable member. The level difference of the on-board platform can be simplified, and the small and inexpensive mechanism can obtain the excellent effect of high synchronization accuracy. Brief description of the drawing. Figure 1 is a perspective view showing an elevator for automobile maintenance according to an embodiment of the present invention. Figure 2 is a plan view of the elevator of Figure 1. This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) -12-446655 A7 B7 V. Description of the invention (10)
經濟部智慧財產咼員L消費合昨达，甲K 第3圖係放大第2圖之 平面圖。 第 4 圖 係放大 第 3 圖 之 作用 之 平 面 圖。 第 5 圖 係顯 示 油 壓 同 步 第 6 圖 係油 壓 同 步 裝 置 第 7 圖 係油 壓 同 步 裝 置 第 8 圖 係顯 示油 壓 同 步 第 9 圖 係顯 示 習 知油 壓 第 1 0 圖係 顯 iiT|Ss< 示 習 知 另 符 號 說 明 1 A 9 1 B 車 載 台 2 A » 2 B X 鏈 式伸 縮 機 3 昇 降 機 底 座 4 A > 4 B 油 壓 缸 5 A > 5 B 滾 子 軸 7 > 4 1 鏈 條 1 2 檢 測 機 構 1 3 閥 組 件 1 4 轉 動 板 2 1 槓 桿 2 3 連 桿 2 4 葉 片 板 構 一部份以顯示油壓同步裝置之 —部份以顯示油壓同步裝置之· 裝置之閥組件之斜視圖。 之油壓回路圖。 之電路圖。 裝置變更例之平面圖。 同步裝置之槪略圖。 一油壓同步裝置之槪略圖。 (請先閱讀背面之注意事項再填寫本頁) -13- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 446655 A7 _B7 五、發明說明（11 ) 2 5 A〜 2 5 D 輸 出 螺 栓 2 7 A〜 2 7 D 柱 塞 2 8 A〜 2 8 D 節 流 閥 2 9 A〜 2 9 D 電 磁 閥 3 1 A， 3 1 B 極 限 開 關 4 2 滑 動 板 〇 (請先閲讀背面之迮意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -14-The consumption of the intellectual property agent L of the Ministry of Economic Affairs reached yesterday. Figure 3A is the enlarged plan view of Figure 2. Figure 4 is a plan view that enlarges the effect of Figure 3. Figure 5 shows the hydraulic synchronization. Figure 6 shows the hydraulic synchronization device. Figure 7 shows the hydraulic synchronization device. Figure 8 shows the hydraulic synchronization. Figure 9 shows the conventional hydraulic pressure. Figure 10 shows iiT | Ss <.; Show the other symbols and descriptions 1 A 9 1 B Car platform 2 A »2 BX chain telescopic 3 elevator base 4 A > 4 B hydraulic cylinder 5 A > 5 B roller shaft 7 > 4 1 chain 1 2 Detection mechanism 1 3 Valve assembly 1 4 Rotating plate 2 1 Lever 2 3 Connecting rod 2 4 Part of the vane plate to display the hydraulic synchronizing device-Part to display the hydraulic synchronizing device · Valve assembly of the device Oblique view. Hydraulic circuit diagram. Circuit diagram. Plan view of device modification. Sketch of the sync device. A sketch of a hydraulic synchronizer. (Please read the precautions on the back before filling this page) -13- This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) 446655 A7 _B7 V. Description of the invention (11) 2 5 A ~ 2 5 D Output bolt 2 7 A ~ 2 7 D Plunger 2 8 A ~ 2 8 D Throttle valve 2 9 A ~ 2 9 D Solenoid valve 3 1 A, 3 1 B Limit switch 4 2 Slide plate 0 (Please read first Please fill in this page on the back of the matter.) Printed on the paper by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) -14-