Colaboración
ARTE
BELLEZA Y BIENESTAR
ARTESANÍA
CULTURA E HISTORIA
ENTRETENIMIENTO
MEDIO AMBIENTE
COMIDA Y BEBIDAS
INGENIERÍA INVERSA
CIENCIAS
DEPORTES
TECNOLOGÍA
TECNOLOGÍA VESTIBLE
Hydraulic Test Pump: Brass Valve Box with Glass Marble Valves and a Gas-Barrel Plunger (Cassell's, 1903)
A hand pump for testing a small boiler, a pipe or a fitting with water under pressure. Cassell's Cyclopaedia of Mechanics (1903) drills a brass rod into a valve box, uses two glass playing marbles as the valves, and works a plunger in a short length of gas or steam pipe through a gland made from an ordinary socket and nipple.
The source says it "would stand a pressure of 250 lb. per square inch easily". It has no gauge of its own: read the pressure on the work being tested.
Source: P. N. Hasluck (ed.), Cassell's Cyclopaedia of Mechanics, Third Series (1903), p. 291, "Simple Hydraulic Testing Pump". Picture: its Figs. 1-3.
Intermedio
Unknown
Instrucciones
1
1
Read Cassell's
Read Cassell's
"The pump here illustrated is designed for use in testing a small boiler, and for similar purposes; it will fulfil the purpose of pumps of costly design and workmanship, and can be built for a few pence. It consists of a rod of solid brass or gun-metal drilled out to the required sizes as shown in Fig. 1, and fitted with ordinary iron gas or steam bends at the top and bottom of valve box."
2
2
Drill the valve box
Drill the valve box
Drill a rod of solid brass (or gun-metal) lengthwise from both ends to the sizes in Fig. 1, so that each glass marble drops into a seating made by the drill: the suction valve below, the discharge valve above. Drill and tap both ends for the iron gas or steam pipe bends, and drill and tap the centre of the side to take the pump barrel. No sizes are given (unknown).
Materiales para este paso:
Barra de latón1 valve boxHerramientas necesarias:
Tornillo de banco
Taladro de columna
Juego de brocas
Juego de machos y terrajas
Dimensiones desconocidas3
3
Fit the valves and bends
Fit the valves and bends
Drop a glass marble into each seating (glass is preferred: it is far rounder than clay marbles). Screw an iron gas or steam pipe bend into the bottom (the suction) and another into the top (the delivery). The upper pipe carries a small cross-bar that stops the discharge marble from blocking the outlet (Fig. 3); its material is not given (unknown).
Materiales para este paso:
Canicas de vidrio2 piezas
Accesorio roscado para tubería2 pipe bends
Material desconocido1 cross-barHerramientas necesarias:
Llave de tubo4
4
Make the barrel and gland
Make the barrel and gland
Cut a short length of gas or steam pipe for the barrel: its length is set by the stroke the pump is to have. Screw one end into the valve box. Countersink the other (gland) end, screw an ordinary socket over it, and screw into the socket an ordinary nipple, also countersunk, as the gland. Fit a back nut on the nipple for screwing up the gland and fix it with a rivet so it cannot turn.
Materiales para este paso:
Tubería de agua1 short lengthAccesorio roscado para tubería2 socket and nipple
Contratuerca1 pieza
Remaches de hierro1 piezaHerramientas necesarias:
Sierra para metales
Juego de brocas avellanadorasLlave de tubo
Martillo de bola5
5
Make the plunger
Make the plunger
File out the inside of the barrel roughly to remove scale and unevenness left by the pipe mandrel. Turn a plunger to fit it loosely, file two flats on one end and drill a hole there for a pin. The plunger's material and what the pin holds are not given (unknown).
Materiales para este paso:
Material desconocido1 plungerHerramientas necesarias:
Limas (lima de mano)
Torno de metalTaladro de columnaJuego de brocas6
6
Mount and use
Mount and use
Fix the pump down with two ordinary bent clips over the barrel near its ends (Fig. 2). Put the suction bend in water, connect the delivery to the work and work the plunger. Cassell's: the pump "would stand a pressure of 250 lb. per square inch easily". The clip material is not given (unknown).
Materiales para este paso:
Material desconocido2 bent clipsHerramientas necesarias:
Llave de tuboMateriales
7- 1 valve boxMarcador de posición
- 2 piezasMarcador de posición
- 2 socket and nippleMarcador de posición
- 2 bent clipsMarcador de posición
- 1 short lengthMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
Herramientas requeridas
11- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
Este plano hace
CC0 Dominio público
Este Blueprint se publica bajo CC0. Eres libre de copiar, modificar, distribuir y usar este trabajo para cualquier propósito, sin pedir permiso.
Apoya al Maker comprando productos a través de su Blueprint, donde gana una Comisión del Maker establecida por los vendedores, o crea una nueva iteración de este Blueprint e inclúyela como conexión en tu propio Blueprint para compartir ingresos.