Quick dismounting device for valve rubber

Abstract

The utility model discloses a valve rubber quick dismounting device which comprises a base, supporting plates are fixedly arranged on the upper end face of the base and located on the two sides, a top plate is fixedly arranged on the upper end faces of the supporting plates, a threaded rod is movably arranged in the middle of the top plate, and the threaded rod is in threaded connection with the top plate. The lower end of the threaded rod penetrates through the top plate and is rotationally provided with a lifting plate, the upper end of the threaded rod is fixedly provided with a rotating block, the lower end of the lifting plate is provided with a dismounting disc, T-shaped grooves are formed in the positions, located on the two sides, of the lower end face of the dismounting disc, and T-shaped blocks are slidably arranged in the T-shaped grooves. A user can rotate a rotating block to enable a threaded rod to drive a lifting plate and a dismounting disc to move downwards, so that hooks are located on the two sides of a valve body, then a hand wheel is rotated to enable a lead screw to drive a sliding block and the hooks to move, the hooks stretch into the bottom of valve rubber, and finally the rotating block is rotated in the opposite direction to enable the lifting plate to ascend. And the dismounting effect can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to fracturing pump technical field more specifically, it relates to a kind of quick dismounting device of valve rubber. BACKGROUND

[0002] At present, hydraulic fracturing has become the common measure of domestic and foreign oil and gas well stimulation, and the fracturing pump truck used relies on the opening and closing of pump valve assembly and piston cylinder in plunger pump to realize extrusion liquid to form high pressure. Pump valve assembly (commonly known as valve) is mainly composed of valve body and rubber ring, and the failure and damage reasons of valve body as a consumable part are mostly rubber ring wear, aging, loss of elasticity etc. The rubber ring on valve body needs to be replaced frequently during field operation. And rubber ring and valve body are generally assembled by interference fit, and it is difficult to install and replace rubber ring, and at this time, dismounting device is needed.

[0003] The existing dismounting device is mostly pried up by crowbar and other tools when in use, and then dismounted, but this dismounting method is not only time-consuming and laborious, but also slow, which affects the dismounting rate of valve rubber.

[0004] And the valve body needs to be manually fixed during prying, and this fixing method is dangerous, easy to cause damage to workers' hands, and has poor safety performance. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a kind of quick dismounting device of valve rubber to solve the technical problem that the existing dismounting device in background art is mostly pried up by crowbar and other tools when in use, and then dismounted, but this dismounting method is not only time-consuming and laborious.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a valve rubber skin quick dismounting device, including the base, the upper end surface of base and located both sides are equipped with the supporting plate, the upper end surface of supporting plate is equipped with the top plate fixedly, the middle position of top plate is equipped with the threaded rod movably, the threaded rod is equipped with the lifting plate with top plate screw connection, the lower extreme of threaded rod passes through top plate and is equipped with the lifting plate rotatably, the upper end is equipped with the rotating block fixedly, the lower end of lifting plate is equipped with the dismounting disc, the lower end surface of dismounting disc and located both sides are equipped with T type groove, the inside of T type groove is equipped with T type block slidingly, the lower end surface of T type block is equipped with the hook fixedly, the inside of T type groove is equipped with the lead screw rotatably, the lead screw is equipped with T type block screw connection, one end of lead screw passes through T type groove and is equipped with hand wheel fixedly, the upper end of base is equipped with clamping device, the clamping device includes the placement ring, the placement ring is fixedly arranged on the upper end of base.

[0009] The utility model further sets up, the outer wall of placement ring and located both sides are equipped with electric push rod fixedly, the output of electric push rod passes through placement ring and is equipped with arc clamping block, be convenient for to the valve body is clamped and is fixed.

[0010] The utility model further sets up, the inside of placement ring and located the upper end surface of base is equipped with recess, the inside of recess is equipped with electromagnet, be convenient for the fixed effect of valve body is better.

[0011] The utility model further sets up, the lower end surface of lifting plate is equipped with connecting shaft fixedly, the outer wall of connecting shaft is equipped with connecting sleeve rotatably, the bottom of connecting sleeve and the upper end surface of dismounting disc are fixedly connected.

[0012] The utility model further sets up, the lower end surface of lifting plate is equipped with motor, the output of motor is equipped with first gear, the outer wall of connecting sleeve is equipped with second gear, first gear and second gear meshed installation, be convenient for to the dismounting disc is rotated.

[0013] The utility model further sets up, all be equipped with guide hole on the supporting plate, both ends of lifting plate are equipped with guide block, guide block and guide hole sliding installation, be convenient for to the lifting plate is oriented.

[0014] The utility model further sets up, all be equipped with antiskid pad on the inner wall of arc clamping block, be convenient for to increase the friction between arc clamping block and valve body.

[0015] The utility model further sets up, all be equipped with external connection hole on the upper end surface of base and located four corners, be convenient for with the device and ground are fixed.

[0016] (Three) beneficial effect

[0017] Compared with the prior art, this utility model provides a quick disassembly device for valve rubber, which has the following beneficial effects:

[0018] 1. By setting up a top plate, threaded rod, lifting plate, disassembly plate, and hook, the user can rotate the rotating block to move the threaded rod, lifting plate, and disassembly plate downwards, so that the hooks are located on both sides of the valve body. Then, rotate the handwheel to move the screw, sliding block, and hooks, so that the hooks extend into the bottom of the valve rubber. Finally, rotate the rotating block in the opposite direction to raise the lifting plate, thus achieving the disassembly effect.

[0019] 2. By setting up arc-shaped clamps, electromagnets, and anti-slip pads, users can place the valve into the groove and energize the electromagnet to initially fix the valve. Then, the electric push rod is controlled to change the distance between the arc-shaped clamps and to make the anti-slip pads abut against the sides of the valve, so as to make the valve fixation effect better and facilitate the subsequent disassembly of the valve rubber.

[0020] 3. By setting up a motor, a first gear, and a second gear, the user can control the motor to make the first gear drive the second gear and the connecting sleeve to rotate during the upward movement of the lifting plate, thereby achieving the effect of rotating the disassembly plate and making the disassembly speed of the valve rubber faster. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a quick-release device for valves in its unused state.

[0022] Figure 2 This is an installation diagram of the bottom connecting shaft, connecting sleeve, motor, first gear, second gear, and disassembly plate of the lifting plate;

[0023] Figure 3 Exploded view of the disassembly disc, T-block, hook, lead screw, and handwheel assembly;

[0024] Figure 4 A schematic diagram showing the positions of the ring, groove, and electromagnet on the base;

[0025] Figure 5 This is a schematic diagram showing the installation of the electric actuator, the arc-shaped clamp, and the anti-slip pad.

[0026] In the figure: 1, base; 2, support plate; 3, top plate; 4, threaded rod; 5, lifting plate; 6, rotating block; 7, dismounting disc; 8, T-shaped groove; 9, T-shaped block; 10, hook; 11, lead screw; 12, hand wheel; 13, placing ring; 14, electric push rod; 15, arc-shaped clamping block; 16, groove; 17, electromagnet; 18, connecting shaft; 19, connecting sleeve; 20, motor; 21, first gear; 22, second gear; 23, guide hole; 24, guide block; 25, non-slip pad; 26, external hole. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0030] Please refer to Figures 1-5 A valve rubber rapid dismounting device, including base 1, the upper end surface of base 1 and the both sides are fixedly provided with support plate 2, the upper end surface of support plate 2 is fixedly provided with top plate 3, the middle position of top plate 3 is movably provided with threaded rod 4, threaded rod 4 is threadedly connected with top plate 3, the lower end of threaded rod 4 penetrates through top plate 3 and is rotatably provided with lifting plate 5, the upper end is fixedly provided with rotating block 6, the lower end of lifting plate 5 is provided with dismounting disc 7, the lower end surface of dismounting disc 7 and the both sides are provided with T-shaped groove 8, T-shaped block 9 is slidably provided in T-shaped groove 8, hook 10 is fixedly provided in the lower end surface of T-shaped block 9, lead screw 11 is rotatably provided in T-shaped groove 8, lead screw 11 is threadedly connected with T-shaped block 9, one end of lead screw 11 penetrates through T-shaped groove 8 and is fixedly provided with hand wheel 12, clamping device is arranged on the upper end of base 1, the clamping device includes placing ring 13, placing ring 13 is fixedly arranged on the upper end of base 1, guide hole 23 is formed in support plate 2, guide block 24 is arranged at the both ends of lifting plate 5, guide block 24 is slidably installed in guide hole 23.

[0031] In this embodiment, the outer wall of the placement ring 13 is provided with an electric push rod 14 on both sides, the output end of the electric push rod 14 penetrates the placement ring 13 and is provided with an arc-shaped clamping block 15, the inner part of the placement ring 13 is provided with a recess 16 on the upper end surface of the base 1, the inner part of the recess 16 is provided with an electromagnet 17, and the inner wall of the arc-shaped clamping block 15 is provided with a non-slip pad 25.

[0032] More specifically, the user can first put the valve body into the recess 16, power the electromagnet 17 to preliminarily fix the bottom of the valve body, then control the electric push rod 14 to change the distance between the arc-shaped clamping blocks, and make the non-slip pad 25 abut against both sides of the valve body, so that the fixing effect of the valve body is better, then rotate the rotating block 6 to make the threaded rod 4 drive the lifting plate 5 and the dismounting disc 7 to move downward, so that the hooks 10 are located on both sides of the valve body, then rotate the hand wheel 12 to make the lead screw 11 drive the sliding block and the hooks 10 to move, so that the hooks 10 extend into the bottom of the valve rubber, and finally rotate the rotating block 6 in the opposite direction to make the lifting plate 5 rise, so that the dismounting effect is realized.

[0033] Please refer to Figure 1 and Figure 2 , as an embodiment for rotating the valve rubber to make the dismounting efficiency faster: the lower end surface of the lifting plate 5 is fixedly provided with a connecting shaft 18, the outer wall of the connecting shaft 18 is rotatably provided with a connecting sleeve 19, the bottom of the connecting sleeve 19 is fixedly connected with the upper end surface of the dismounting disc 7, the lower end surface of the lifting plate 5 is provided with a motor 20, the output end of the motor 20 is provided with a first gear 21, the outer wall of the connecting sleeve 19 is provided with a second gear 22, and the first gear 21 and the second gear 22 are meshingly installed.

[0034] Specifically, during the upward movement of the lifting plate 5, the user can also control the motor 20 to make the first gear 21 drive the second gear 22 and the connecting sleeve 19 to rotate, so as to realize the rotating effect of the dismounting disc 7, and further make the dismounting rate of the valve rubber faster.

[0035] Please refer to Figure 1 , as a further embodiment for fixing the device and the ground: the upper end surface of the base 1 is provided with an external connecting hole 26 on the four corners.

[0036] Specifically, the user can fix the device to the ground through the external connecting hole 26.

[0037] In summary, the whole device in use: the user can first put the valve body into the groove 16, and the electromagnet 17 energized to the bottom of the valve body for preliminary fixed, then control the electric push rod 14 to change the distance between the arc-shaped clamping plate, and make the non-slip mat 25 with both sides of the valve body, so that the fixed effect of the valve body is better, then by rotating the rotating block 6 to make the threaded rod 4 driven lifting plate 5 and dismounting disc 7 down, so that the hook 10 is located on both sides of the valve body, then rotate the hand wheel 12 to make the lead screw 11 driven sliding block and hook 10 move, so that the hook 10 into the bottom of the valve rubber, finally reverse direction rotating the rotating block 6 to make the lifting plate 5 rises, can realize the effect of dismounting, and in the process of dismounting, also can control the motor 20 to make the first gear 21 driven second gear 22 and connecting sleeve 19 rotation, to realize the effect of rotating the dismounting disc 7, and then make each part of the valve rubber can be subjected to upward force, so that the dismounting rate is faster.

[0038] In all the above solutions, the connection between the two components can be selected according to the actual situation, welding, bolt and nut connection, bolt or screw connection or other known connection mode, not one by one hereinafter, as long as the fixed connection, preferably consider is welding, although the embodiments of the utility model have been shown and described, for those skilled in the art, it can be understood that without departing from the principles and spirit of the utility model, a variety of changes, modifications, replacements and modifications can be made to these embodiments, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rapid dismounting device for the rubber of a valve, comprising a base (1), characterized by the fact that: The upper end face of the base (1) is provided with support plates (2) on both sides, the upper end face of the support plate (2) is provided with a top plate (3), the middle position of the top plate (3) is movably provided with a threaded rod (4), the threaded rod (4) is threadedly connected with the top plate (3), the lower end of the threaded rod (4) penetrates through the top plate (3) and is rotatably provided with a lifting plate (5), the upper end is fixedly provided with a rotating block (6), the lower end of the lifting plate (5) is provided with a dismounting disc (7), the lower end face of the dismounting disc (7) is provided with T-shaped grooves (8) on both sides, the T-shaped grooves (8) are slidably provided with T-shaped blocks (9) inside, the lower end face of the T-shaped block (9) is fixedly provided with hooks (10), the T-shaped grooves (8) are rotatably provided with lead screws (11) inside, the lead screws (11) are threadedly connected with the T-shaped blocks (9), one end of the lead screw (11) penetrates through the T-shaped groove (8) and is fixedly provided with a hand wheel (12), the upper end of the base (1) is provided with a clamping device, the clamping device comprises a placement ring (13), the placement ring (13) is fixedly arranged at the upper end of the base (1).

2. A device for rapid removal of a valve rubber boot according to claim 1, characterized in that: The outer wall of the placement ring (13) is fixedly provided with electric push rods (14) on both sides, the output ends of the electric push rods (14) penetrate through the placement ring (13) and are provided with arc-shaped clamping blocks (15).

3. A device for rapid removal of a valve cup according to claim 2, characterized in that: The inner part of the placement ring (13) is provided with a recess (16) on the upper end face of the base (1), and the recess (16) is provided with an electromagnet (17) inside.

4. The device according to claim 1, wherein: The lower end face of the lifting plate (5) is fixedly provided with a connecting shaft (18), the outer wall of the connecting shaft (18) is rotatably provided with a connecting sleeve (19), and the bottom of the connecting sleeve (19) is fixedly connected with the upper end face of the dismounting disc (7).

5. A device for rapid removal of a valve cup according to claim 4, characterized in that: The lower end face of the lifting plate (5) is provided with a motor (20), the output end of the motor (20) is provided with a first gear (21), the outer wall of the connecting sleeve (19) is provided with a second gear (22), and the first gear (21) and the second gear (22) are meshed and installed.

6. A device for rapid removal of a valve cup according to claim 1, characterized in that: The support plate (2) is provided with guide holes (23) on both sides, and the lifting plate (5) is provided with guide blocks (24) at both ends, and the guide blocks (24) are slidably installed in the guide holes (23).

7. A device for rapid removal of a valve cup according to claim 2, characterized in that: The inner wall of the arc-shaped clamping block (15) is provided with anti-skid pads (25).

8. A device for rapid removal of a valve cup according to claim 1, characterized in that: The upper end face of the base (1) is provided with external holes (26) on four corners.

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