Mounting structure for crosshead guide plate of slurry pump

Abstract

The utility model relates to a mud pump crosshead guide plate installation structure which comprises at least two supporting seats, the supporting seats are arranged on a pump body side by side, and a plurality of installation positions are arranged on the supporting seats. The guide plate is of an arc-shaped structure and is placed at the mounting positions of the supporting seat, each mounting position is provided with two locking bolts, and the two locking bolts penetrate through the two sides of the guide plate respectively and are connected with the supporting seat so that the guide plate can be locked on the supporting seat. The guide plates can be rapidly installed on the supporting seats, the installed guide plates are stable and reliable in structure, stress of the guide plates can be evenly distributed to the supporting plates, and the crosshead can stably move on the pump body in a reciprocating mode through the guide plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of slurry pump equipment, concretely relates to a slurry pump crosshead guide plate mounting structure. BACKGROUND

[0002] The slurry pump is a piston type or plunger type, and the crankshaft of the pump is rotated by a power machine, and the crankshaft drives the piston or plunger to make reciprocating motion in the pump cylinder. Under the alternating action of the suction and discharge valves, the purpose of pressure sending and circulating flushing liquid is achieved.

[0003] The crosshead moves forward and backward in the pump body, and a cross slide bushing needs to be arranged between the crosshead and the pump body, the crosshead moves forward and backward in the cross slide bushing, and the cross slide bushing is inserted into the pump body and then axially locked and fixed. Referring to the prior patent - a slurry pump power end structure CN207278438U.

[0004] The installation structure of the cross slide bushing in the past needs to be holed on the pump body, the aperture and the size of the bushing need to be relatively high, the bushing is cylindrical, the fixing and locking mode of the bushing in the hole is relatively troublesome, finally, the crosshead moves in the bushing, the heat dissipation space is insufficient, and the crosshead moves for a long time, which affects the heat dissipation of the crosshead. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, provide a slurry pump crosshead guide plate mounting structure, and solve the technical problem that the crosshead guide plate is inconvenient to install in the slurry pump.

[0006] The technical scheme adopted by the utility model to solve the technical problem is:

[0007] A slurry pump crosshead guide plate mounting structure is provided, which comprises

[0008] At least two support seats are arranged side by side on the pump body, and a plurality of mounting positions are arranged on the support seat;

[0009] The guide plate is an arc structure, which is placed on the mounting position of the support seat, two locking bolts are arranged on each mounting position, the two locking bolts pass through the two sides of the guide plate and are connected with the support seat to lock the guide plate on the support seat.

[0010] Further, the support seat comprises two support plates and two clamping blocks;

[0011] The two support plates are arranged side by side, the clamping block passes through the two support plates from below, and forms a vertical structure with the support seat, and the locking bolt is connected with the clamping block after passing through the guide plate.

[0012] Further, a limiting groove is arranged on the back of the guide plate, and the support plate is located in the limiting groove of the guide plate.

[0013] Further, two locking bolts of the mounting position are symmetrically distributed on the guide plate.

[0014] Further, the mounting position of the support plate is provided with an arc-shaped slot, and the guide plate is placed in the arc-shaped slot.

[0015] The mud pump crosshead guide plate mounting structure has the advantages that:

[0016] The mud pump crosshead guide plate mounting structure has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model further illustrates in combination with the drawings.

[0018] Figure 1 It is the schematic diagram of the mud pump crosshead guide plate mounting structure of the utility model;

[0019] Figure 2 It is the structure diagram between the guide plate and the support plate;

[0020] Figure 3 It is the schematic diagram of the guide plate;

[0021] Figure 4 It is the schematic diagram of the crosshead in the pump body;

[0022] 1, support seat, 11, support plate,

[0023] 2, guide plate, 21, limit slot;

[0024] 3, locking bolt, 31, clamping block;

[0025] 4, crosshead;

[0026] 5, connecting rod, 51, pin shaft, 52, bearing. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] The application provides a mud pump crosshead 4 guide plate mounting structure, which is described in detail below. It should be noted that the description order of the following embodiments is not used as a limitation on the preferred order of the embodiments of the application. In the following embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0029] To solve the technical problem of inconvenient installation of the crosshead 4 guide plate 2 in the mud pump in the prior art, an embodiment of the application provides a mud pump crosshead 4 guide plate mounting structure. This is described in detail below.

[0030] As shown in Figures 1 to 3 , a mud pump crosshead 4 guide plate mounting structure includes

[0031] at least two support seats 1, each support seat 1 is arranged side by side on the pump body, and a plurality of mounting positions are provided on the support seat 1;

[0032] a guide plate 2, the guide plate 2 is an arc-shaped structure, which is placed on the mounting position of the support seat 1, and two locking bolts 3 are provided on each mounting position, the two locking bolts 3 pass through the two sides of the guide plate 2 and are connected to the support seat 1, so as to lock the guide plate 2 on the support seat 1.

[0033] As shown in Figure 1 , two support seats 1 support and fix the two ends of the guide plate 2 respectively, and the number of support seats 1 is determined according to the length of the guide plate 2.

[0034] In this embodiment, three mounting positions are provided on each support seat 1, the number of mounting positions depends on the number of guide plates 2, and each guide plate 2 is arranged in parallel on the support seat 1.

[0035] Specifically, as an optional implementation manner in this embodiment, as shown in Figure 1 , the support seat 1 includes two support plates 11 and two clamping blocks 31;

[0036] The two support plates 11 are arranged side by side, the clamping block 31 passes through from below the two support plates 11, and forms a vertical structure with the support seat 1, and the locking bolt 3 is connected to the clamping block 31 after passing through the guide plate 2.

[0037] In this embodiment, the clamping block 31 is a rectangular long block, a corresponding square hole is provided at the lower end of the support plate 11, the clamping block 31 passes through the two square holes, and the two clamping blocks 31 are symmetrically distributed below the guide plate 2.

[0038] Specifically, as an optional implementation manner in this embodiment, as shown in Figure 1 and Figure 3 , a limiting groove 21 is provided on the back of the guide plate 2, and the support plate 11 is located in the limiting groove 21 of the guide plate 2.

[0039] In this embodiment, four limiting grooves 21 are formed on the back of the guide plate 2, and the four limiting grooves 21 correspond to the four support plates 11.

[0040] Specifically, as an optional embodiment in this embodiment, as shown in Figure 1 and Figure 3 , the two locking bolts 3 of the mounting position are symmetrically distributed on the guide plate 2. This structure can ensure that the cross head 4 can stably reciprocate on the guide plate 2 and can withstand the pressure from the cross head 4, ensuring the centration of the cross head 4 during reciprocation.

[0041] Specifically, as an optional embodiment in this embodiment, as shown in Figure 1 and Figure 3 , the mounting position of the support plate 11 is provided with an arc-shaped groove, and the guide plate 2 is placed in the arc-shaped groove. The arc-shaped groove of the support plate 11 can increase the contact area between the guide plate 2 and the support plate 11, and improve the stability of the guide plate 2 in the mud pump.

[0042] The cross head 4 guide plate mounting structure of the mud pump of this embodiment can quickly complete the installation of the guide plate 2 on the support seat 1, and the installed guide plate 2 is stable and reliable in structure. The stress of the guide plate 2 can be evenly distributed to each support plate 11, and the cross head 4 can be stably moved on the pump body through the guide plate 2.

[0043] As shown in Figure 4 , the above guide plate mounting structure is used in pairs in the mud pump, that is, the cross head 4 in the pump body is provided with an upper guide plate 2 and a lower guide plate 2. Both the upper and lower guide plates 2 adopt the above mounting structure, as shown in Figure 4 , one side of the cross head 4 is connected with a crankshaft, and the other side is connected with a connecting rod 5. A pin shaft 51 penetrates the connecting rod 5 and the cross head 4. A bearing 52 is arranged between the connecting rod 5 and the cross head 4. The cross head 4 is rotatably connected with the connecting rod 5 through the bearing 52. The cross head 4 is in sliding fit with the pump body through the upper and lower guide plates 2 in the mud pump.

[0044] Each device (parts without specific structure) selected in this application is a general standard part or a part known to those skilled in the art. Its structure and principle can be known by technical personnel through technical manual or through conventional experimental method.

[0045] In the description of the embodiments of the utility model, unless another definite provision and limitation, the term " install " " link " " connection " should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0046] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0047] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. The device embodiments described above are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, and for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed each other can be through some communication interface, indirect coupling or communication connection of the device or unit, which can be electrical, mechanical or other forms.

[0048] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, i.e. they can be located in one place or distributed on multiple network units. Part or all of the units can be selected to achieve the purpose of the embodiment scheme according to actual needs.

[0049] In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0050] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A mud pump crosshead guide plate mounting structure characterized by, The mud pump crosshead guide plate installation structure comprises at least two support seats (1), each support seat (1) is arranged side by side on a pump body, a plurality of mounting positions are arranged on the support seat (1); and a guide plate (2) is arranged on the mounting position of the support seat (1), the guide plate (2) is in an arc structure, and the guide plate (2) is arranged on the mounting position of the support seat (1); two locking bolts (3) are arranged on each mounting position, the two locking bolts (3) pass through the guide plate (2) from two sides and are connected with the support seat (1) to lock the guide plate (2) on the support seat (1).

2. The mud pump crosshead guide plate installation structure according to claim 1, wherein the support seat (1) comprises two support plates (11) and two clamping blocks (31); the two support plates (11) are arranged side by side, the clamping block (31) passes through below the two support plates (11) and forms a vertical structure with the support seat (1), and the locking bolt (3) is connected with the clamping block (31) after passing through the guide plate (2).

3. The mud pump crosshead guide plate installation structure according to claim 2, wherein a limiting groove (21) is formed on the back of the guide plate (2), and the support plate (11) is arranged in the limiting groove (21) of the guide plate (2).

4. The mud pump crosshead guide plate installation structure according to claim 1, wherein the two locking bolts (3) of the mounting position are symmetrically distributed on the guide plate (2).

5. The mud pump crosshead guide plate installation structure according to claim 2, wherein an arc-shaped groove is formed in the mounting position of the support plate (11), and the guide plate (2) is arranged in the arc-shaped groove. ​ ​ ​ ​ ​ ​ ​

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