CN204748393U - Relief valve experiment clamping frock - Google Patents

Abstract

The utility model discloses a safety valve experimental clamping tool, which comprises a base for placing workpieces, and several horizontal limit devices and vertical limit devices are arranged on the base; the horizontal limit device includes a The limit stopper on the base has a horizontal screw hole on the limit stopper, and the limit screw rod matched with the screw hole is pierced in the screw hole; the vertical limiter includes a pressing block, a vertical The T-shaped bolts placed in the T-shaped slots of the base, and the rotatable adjusting bolts vertically placed on the base; the pressure block is threadedly connected with the adjusting bolts and placed on the T-shaped bolts; A compression nut is also provided above the block. The utility model has strong versatility, stable and reliable clamping, simple and easy to use. It avoids the need to process different threads or flanges for safety valves with different calibers, which greatly saves tooling materials and processing costs.

Description

Safety valve experimental fixture

technical field

The utility model relates to a tooling for clamping a safety valve for experimentation.

Background technique

The function of the safety valve test clamping tool is to clamp the safety valve on the test bench, and simulate the working conditions to carry out the take-off and seat return test of the safety valve. It is required that the clamping is firm, the seal is tight and leak-proof, and it has a certain anti-vibration function.

There are generally two clamping methods for the existing safety valve test fixture: one is that the safety valve interface and the test equipment interface are connected by threaded connections for testing; the other is that the safety valve interface is welded with reverse flanges, and the test The equipment is flanged and tested using bolted connections.

The existing safety valve test fixtures all have the limitation of singleness. In addition, the tooling of the threaded connection method requires thread sealing processing, which is difficult; the tooling of the flange connection method requires the safety valve to be welded against the flange, which prevents the defects of long processing cycle and high cost.

Utility model content

Aiming at the above-mentioned technical problems, the utility model provides a safety valve experiment clamping tool, which is convenient for clamping and has strong applicability.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a safety valve experimental clamping tool, including a base for placing workpieces, characterized in that: the base is provided with several horizontal limit devices and vertical Straight limit device; the horizontal limit device includes a limit block installed on the base, a horizontal screw hole is opened on the limit block, and a limit screw that matches the screw hole is worn in the screw hole; The vertical limiting device includes a briquetting block, a T-shaped bolt vertically placed in the T-shaped groove of the base, and a rotatable adjusting bolt vertically placed on the base; the briquetting block is threadedly connected with the adjusting bolt, and Sleeve on the T-shaped bolt; the T-shaped bolt is also provided with a compression nut above the pressing block.

As an improvement, there are three sets of horizontal limiting devices and vertical limiting devices, which are evenly distributed and installed at intervals according to the circumference of the base. The horizontal limit device and the vertical limit device are evenly distributed, so that the workpiece is evenly stressed.

As an improvement, a double-headed screw connected with the device is also provided at the bottom of the base. Easy to connect with equipment.

As an improvement, the front end of the limit screw is provided with a limit head which is in shape fit with the contact position of the workpiece. The contact point between the horizontal limit device and the workpiece is increased, and the limit effect is improved.

The utility model is beneficial in that: the utility model has strong versatility, stable and reliable clamping, simple and easy to use. It avoids the need to process different threads or flanges for safety valves with different calibers, which greatly saves tooling materials and processing costs.

Description of drawings

Fig. 1 is a top view structural diagram of the utility model.

Fig. 2 is a front view cross-sectional structural schematic diagram of the utility model.

Marks in the figure: 1 nut, 2 experimental safety valve, 4 limit block, 5 base, 6 limit screw, 8 limit head, 9 compression nut, 12 pressure block, 13 adjustment bolt, 14 T-shaped bolt, 15 double head bolt

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Fig. 1, the utility model includes a base 5 for placing the experimental safety valve 2, and a stud bolt 15 connected with the equipment is also arranged at the bottom of the base 5. The base 5 is provided with several horizontal limiters and vertical limiters; the horizontal limiter includes a limit stopper 4 fastened on the base 5 by a nut 1, and the limiter 4 A horizontal screw hole is opened on the top, and a limit screw 6 cooperating with the screw hole is pierced in the screw hole; Described vertical limit device comprises a briquetting block 12, the T-shaped bolt 14 that vertically puts into the T-shaped groove of base 5, the rotatable adjusting bolt 13 that is placed on the base 5 vertically; Described briquetting block 12 and adjusting The bolts 13 are threaded and set on the T-shaped bolts 14; the T-shaped bolts 14 are also provided with a compression nut 9 above the pressure block 12. The horizontal spacer and the vertical spacer are preferably three groups, and are evenly distributed on the circumference of the base 5 and installed at intervals.

When in use, place the experimental safety valve 2 on the base 5, use the limit screw to adjust the limit head to prevent the experimental safety valve 2 from moving horizontally, and use the pressure block 12 to prevent the experimental safety valve 2 from moving up and down. Rotating the limit screw 6 and the adjusting bolt 13 can adjust the position of the limit screw 6 and the pressure block 12, so as to be suitable for different types of experimental safety valves 2 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. A safety valve experimental clamping tool, comprising a base for placing workpieces, characterized in that: the base is provided with several horizontal limiting devices and vertical limiting devices; the horizontal limiting device includes a mounting The limit stopper on the base has a horizontal screw hole on the limit stopper, and the limit screw rod matched with the screw hole is pierced in the screw hole; the vertical limiter includes a pressure block, a vertical The T-shaped bolts that are put directly into the T-shaped grooves of the base, and the rotatable adjusting bolts placed vertically on the base; A compression nut is also arranged above the pressure block. 2. A safety valve experimental clamping tool according to claim 1, characterized in that: the horizontal limit device and the vertical limit device are three groups, and are evenly distributed according to the circumference of the base and installed at intervals. 3. A clamping tool for safety valve experiment according to claim 1, characterized in that: the bottom of the base is also provided with a stud screw connected with the equipment. 4. A safety valve experimental clamping tool according to claim 1, characterized in that: the front end of the limit screw is provided with a limit head that fits in shape with the contact position of the workpiece.