2026-07-08

Pemeriksaan bunyi pam minyak hidraulik forklift, kemahiran penggantian kartrij penapis saluran paip yang sepadan.

Pemeriksaan bunyi pam minyak hidraulik forklift, kemahiran penggantian kartrij penapis saluran paip yang sepadan.(Rajah1)

Sistem hidraulik forklift elektrik adalah komponen teras untuk memastikan operasi pengangkatan dan pengangkutannya. Masalah seperti bunyi pam minyak hidraulik yang tidak normal dan penyumbatan elemen penapis saluran paip bukan sahaja akan menjejaskan kecekapan operasi, tetapi juga boleh memburukkan haus dan lusuh komponen dan memendekkan hayat perkhidmatan peralatan. Menguasai pemeriksaan tindak balas yang tidak normal dan kemahiran penggantian elemen penapis adalah bahagian penting dalam penyelenggaraan harian forklift.

1. Kaedah pemeriksaan bunyi pam minyak hidraulik

Apabila pam minyak hidraulik tidak berfungsi, perkara pertama yang perlu dilakukan ialah mengenal pasti ciri-ciri tidak berfungsi melalui pendengaran: jika terdapat bunyi jeritan yang tajam, ia kebanyakannya berkaitan dengan pengambilan minyak hidraulik atau minyak yang tidak mencukupi; jika ia adalah bunyi tersekat yang rendah, ia mungkin disebabkan oleh haus bahagian dalaman atau kesesakan injap hidraulik.

Langkah pertama ialah menyemak status minyak hidraulik. Buka penutup tangki hidraulik dan perhatikan sama ada paras minyak berada di antara had atas dan bawah skala. Jika paras minyak terlalu rendah, anda perlu menambah minyak hidraulik model yang sama tepat pada masanya; pada masa yang sama, semak warna dan ketelusan minyak. Jika minyak menjadi hitam, keruh atau mengandungi kekotoran, ini bermakna minyak telah menjadi rosak dan perlu diganti dengan teliti.

Langkah kedua ialah menyiasat masalah pengambilan udara saluran paip. Periksa sambungan dan pengedap saluran paip hidraulik satu demi satu. Jika didapati longgar atau rosak, pengedap perlu diketatkan atau diganti tepat pada masanya; kemudian, mulakan forklift dan guna mekanisme pengangkat berulang kali untuk membantu udara dalam saluran paip untuk mengalirkan dan melihat sama ada bunyi yang tidak menyenangkan itu dapat dikurangkan.

Langkah ketiga, semak haus dan lusuh pam minyak. Jika kesan tidak normal berterusan selepas menghapuskan masalah minyak dan pengambilan udara, anda perlu berhenti dan membuka pam minyak, menyemak tahap haus dan lusuh gear dalaman, galas dan komponen lain. Jika kelegaan bahagian melebihi julat standard, anda perlu menggantikan bahagian haus yang sepadan.

Langkah keempat ialah mengesahkan keadaan kerja injap hidraulik. Periksa injap pelega, injap undur dan komponen lain dalam sistem hidraulik. Jika teras injap tersekat atau haus, ia akan menyebabkan tekanan minyak tidak normal dan menyebabkan bunyi pam minyak yang tidak normal. Pada masa ini, teras injap perlu dibersihkan atau diganti.

2. Kemahiran penggantian elemen penapis saluran paip hidraulik

Fungsi utama kartrij penapis saluran paip hidraulik adalah untuk menapis kekotoran dalam cecair minyak, untuk mengelakkannya daripada memasuki pam minyak dan injap hidraulik, dan penggantian kartrij penapis yang kerap adalah kunci untuk mengekalkan sistem hidraulik.

Mula-mula, bersedia: letakkan trak forklift di atas tanah yang rata, matikan bekalan kuasa dan tarik brek tangan, kendalikan mekanisme pengangkatan untuk meminimumkan garpu, lepaskan tekanan sistem hidraulik secara perlahan-lahan, dan elakkan penyemburan minyak semasa pembongkaran; sediakan alat seperti kartrij penapis baharu, sepana, bekas penerima minyak dan alat lain yang sesuai untuk model.

Kemudian lakukan operasi penggantian: cari kedudukan kartrij penapis, biasanya di tengah-tengah saluran keluar minyak atau saluran paip tangki hidraulik, letakkan bekas penangkap minyak di bawah kartrij penapis, skru kartrij penapis lama dengan sepana, dan berhati-hati untuk mengelakkan kebocoran minyak sisa; lap permukaan tempat duduk pelekap kartrij penapis dengan kain yang bersih untuk memastikan tiada sisa kekotoran; sapukan sedikit minyak hidraulik pada cincin pengedap kartrij baharu, dan skru perlahan-lahan ke tempat duduk pemasangan sehingga ia diketatkan (tidak perlu menggunakan kekerasan yang berlebihan untuk mengelakkan kerosakan cincin pengedap).

Akhir sekali, lengkapkan pemeriksaan susulan: selepas pemasangan, tambahkan jumlah minyak hidraulik yang sesuai ke paras minyak standard, mulakan forklift dan kerap mengendalikan mekanisme pengangkat untuk mengeluarkan udara dalam saluran paip; selepas 5-10 minit, semak sama ada terdapat kebocoran minyak di tapak pemasangan kartrij penapis, dan perhatikan sama ada sistem hidraulik beroperasi dengan lancar, dan ia boleh digunakan selepas pengesahan tiada kelainan.

Dalam penyelenggaraan harian, adalah disyorkan untuk sentiasa menyemak keadaan kerja pam minyak hidraulik dan status elemen penapis mengikut kitaran yang ditetapkan dalam manual penggunaan peralatan, dan untuk menyiasat bahaya tersembunyi tepat pada masanya, untuk memanjangkan hayat perkhidmatan sistem hidraulik dengan berkesan dan memastikan operasi forklift yang stabil.

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