Multistage self-suction motor-driven fire pump

Abstract

The utility model relates to the technical field of fire fighting equipment, in particular to a multistage self-suction type motor driving fire pump. Comprising a support, a vertical multi-stage pump main body and an auxiliary mechanism, the auxiliary mechanism comprises a mounting plate, a positioning column, an I-shaped block, a moving wheel, a stand column, a hanging column, a locking device and a lifting device, when the vertical multi-stage pump is used, the support can be conveniently moved through the arranged moving wheel, and therefore the vertical multi-stage pump main body can be conveniently moved; after a locking device is loosened, an I-shaped block directly slides and is separated from a sliding groove of a mounting plate and a sliding groove of a vertical multi-stage pump main body at the same time, then the vertical multi-stage pump main body can be taken down to be replaced and maintained, equipment hoisting and moving are facilitated through cooperation of a hoisting column and a stand column, and multiple workers can conveniently lift and move the equipment through a lifting device; therefore, the problem that an existing fire pump is inconvenient to carry during use can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, concretely relates to a multistage self priming motor drive fire pump. BACKGROUND

[0002] Fire pump is the very common equipment used in fire engineering, through searching prior art CN213331562U discloses a low noise vertical multistage fire pump, including support box and pump body, the support box top annular even installation has a plurality of fixed pipes, the fixed pipe inside bottom is connected with first compression spring, the first compression spring top end places the clamping block, the clamping block top end is installed with support rod, and the support rod bottom end outside is bonded with annular rubber pad, the fixed pipe inside top is connected with gear screw pipe through screw thread, the gear screw pipe inside is provided with placing groove, the support rod outside is sleeved with stabilizing ring in the placing groove, and the placing groove and stabilizing ring gap are evenly distributed with second compression spring, the gear screw pipe telescopic control of toothed ring can be carried out to the first spring and is compressed to adapt to the influence of different direction vibration on equipment, the stabilizing ring makes the support rod and fixed pipe connection stable, improves equipment shock attenuation effect and noise reduction effect, makes equipment run smoothly, makes the noise reduce when equipment runs, reduces the sound pollution to the outside world.

[0003] The above-mentioned device has the following problems when in use: the fire pump needs to be carried and moved during use, and since the fire pump itself has a certain weight, the carrying is extremely inconvenient, which not only greatly enhances the labor intensity of workers, but also leads to low use efficiency of the fire pump, and the fire pump is prone to falling and damage during carrying, which is also not conducive to protecting the service life of the equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a multistage self priming motor drive fire pump to solve the problem of inconvenient carrying of the existing fire pump.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the utility model provides a multistage self priming motor drive fire pump, which comprises a support and a vertical multistage pump body, the vertical multistage pump body is detachably arranged on the upper side of the support, and further comprises an auxiliary mechanism.

[0006] The auxiliary mechanism comprises a mounting plate, positioning columns, I-shaped blocks, moving wheels, stand columns, lifting columns, locking devices and lifting devices, the mounting plate is fixedly connected with the support and arranged at the top of the support, the positioning columns are integrally formed with the mounting plate and arranged at intervals of 90 degrees, and are slidably connected with the base of the vertical multi-stage pump body, the I-shaped blocks are slidably connected with the mounting plate and the base of the vertical multi-stage pump body, the moving wheels are fixedly arranged at the bottom of the support and the number is four, the stand columns are fixedly arranged on the support, the lifting columns are threadedly connected with the stand columns and located at the top of the stand columns, the locking devices are arranged on the side of the support close to the I-shaped blocks, and the lifting devices are arranged on the stand columns.

[0007] The output shaft of the driving motor of the vertical multi-stage pump body and the transmission shaft of the pump body are connected through a shaft coupling structure or a spline shaft structure.

[0008] The locking device comprises curved blocks and abutting screws, the curved blocks are detachably connected with the mounting plate, the abutting screws are threadedly connected with the curved blocks and penetrate through the curved blocks, and the front stepped optical axis end portions of the abutting screws are slidably inserted into the matching holes of the I-shaped blocks.

[0009] The lifting device comprises holding rods and limiting plates, the holding rods are threadedly connected with the stand columns and located on one side of the stand columns, and the limiting plates are integrally formed with the holding rods and abut against the stand columns.

[0010] The multi-stage self-priming motor-driven fire pump further comprises a stabilizing mechanism, the stabilizing mechanism comprises connecting frames and abutting frames, the connecting frames are detachably connected with the stand columns and located between the stand columns, and the abutting frames are fixedly welded with the connecting frames and abut against the vertical multi-stage pump body at the curved cavity end portions.

[0011] The multi-stage self-priming motor-driven fire pump of the utility model, when in use, the moving wheels can facilitate the movement of the support, so that the vertical multi-stage pump body is conveniently moved, further, after the locking device is loosened, the I-shaped blocks are directly slid and simultaneously separated from the mounting plate and the sliding groove of the vertical multi-stage pump body, then the vertical multi-stage pump body can be removed, the lifting columns and the stand columns are cooperated to facilitate the hoisting and moving of the equipment, the lifting device facilitates multiple workers to lift and move the equipment, and the inconvenient carrying problem of the existing fire pump during use can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings.

[0013] Figure 1The utility model discloses a whole structure schematic diagram of multistage self-priming motor drive fire pump of first embodiment of the utility model.

[0014] Figure 2 The utility model discloses a structure schematic diagram of curved block of first embodiment of the utility model.

[0015] Figure 3 The utility model discloses a whole structure schematic diagram of multistage self-priming motor drive fire pump of second embodiment of the utility model.

[0016] In the drawing: 101 - support, 102 - vertical multistage pump main body, 103 - mounting plate, 104 - positioning column, 105 - I -shaped block, 106 - moving wheel, 107 - stand, 108 - hanging column, 109 - curved block, 110 - abutting screw rod, 111 - holding rod, 112 - limiting plate, 201 - connecting frame, 202 - abutting frame. DETAILED DESCRIPTION

[0017] In order for those skilled in the art to better understand the utility model, the technical scheme of the utility model is further described below in combination with the drawings and examples.

[0018] Example one:

[0019] As Figure 1 and Figure 2 shown, wherein Figure 1 is a whole structure schematic diagram of multistage self-priming motor drive fire pump, Figure 2 is a structure schematic diagram of curved block 109, the utility model provides a kind of multistage self-priming motor drive fire pump: including support 101, vertical multistage pump main body 102 and auxiliary mechanism, the auxiliary mechanism includes mounting plate 103, positioning column 104, I -shaped block 105, moving wheel 106, stand 107, hanging column 108, locking device and lifting device, the locking device includes curved block 109 and abutting screw rod 110, the lifting device includes holding rod 111 and limiting plate 112.It can be understood that the foregoing scheme can facilitate the convenient movement of fire pump, and solve the problem of inconvenient carrying when using existing fire pump.

[0020] In the embodiment, the vertical multistage pump main body 102 can be detachably arranged on the upper side of the support 101, a driving motor is arranged on the upper side of the vertical multistage pump main body 102, and the bottom is a pump body matched with the driving motor, and the vertical multistage pump main body 102 can be directly used in the prior art, such as the vertical multistage pump disclosed in the prior art CN216922524U. In the present application, only the fixed end of the pump body bottom is structurally arranged for installation and disassembly, the internal blade and other structures do not change the structure of the prior art, and the scheme can be realized.

[0021] The mounting plate 103 is fixedly connected with the support 101 and arranged on the top of the support 101, the positioning column 104 is integrally formed with the mounting plate 103 and arranged at intervals of 90°, four in total, and is in sliding connection with the base of the vertical multi-stage pump body 102, the I-shaped block 105 is in sliding connection with the mounting plate 103 and the base of the vertical multi-stage pump body 102 respectively, the moving wheel 106 is fixed to the bottom of the support 101, four in total, the stand column 107 is fixed to the support 101, the lifting column 108 is in threaded connection with the stand column 107 and located on the top of the stand column 107, the locking device is arranged on the side of the support 101 close to the I-shaped block 105, and the lifting device is arranged on the stand column 107. The mounting plate 103 is fixed to the support 101 through positioning pins and bolts, T-shaped grooves are arranged on the mounting plate 103 to facilitate the sliding arrangement of the bottom of the I-shaped block 105, the positioning column 104 is used for cooperating with the positioning holes on the base of the vertical multi-stage pump body 102 to realize preliminary positioning during installation, the I-shaped block 105 can be directly and slidably arranged in the matching groove arranged on the mounting plate 103 and the base of the vertical multi-stage pump body 102, the fixing support of the moving wheel 106 is fixed to the support 101 through bolts and can be a universal self-locking wheel with a brake structure, the stand column 107 is fixed to the support 101 through a plurality of bolts arranged from bottom to top, the bottom outer threaded end of the lifting column 108 is directly arranged in the threaded hole on the top of the stand column 107, and the top circular hole facilitates the passing of a hoisting rope to realize hoisting, the locking device is used for limiting the I-shaped block 105, and the lifting device is used for lifting and moving the equipment.

[0022] Secondly, the output shaft of the driving motor of the vertical multi-stage pump body 102 and the transmission shaft of the pump body can be connected through a shaft coupling structure or a spline shaft structure. When the shaft coupling is used, the light shaft end of the output shaft of the driving motor of the vertical multi-stage pump body 102 can be directly connected with the light shaft top of the transmission shaft of the impeller of the pump body, and when the spline structure is used, the spline shaft structure is arranged on the end of the output shaft of the driving motor of the vertical multi-stage pump body 102, and the spline cavity is arranged on the transmission shaft of the impeller of the pump body to cooperate.

[0023] Then, the curved block 109 is detachably connected with the mounting plate 103, the abutting screw rod 110 is in threaded connection with the curved block 109 and penetrates through the curved block 109, and the stepped light shaft end of the front side of the abutting screw rod 110 can be slidably inserted into the matching hole of the I-shaped block 105. The curved block 109 is fixed to the mounting plate 103 through positioning pins and bolts and is provided with a penetrating threaded hole to facilitate the installation of the abutting screw rod 110, and the front side end of the abutting screw rod 110 is a stepped light shaft end and can be directly inserted into the matching hole of the I-shaped block 105.

[0024] Finally, the gripping rod 111 is threadedly connected to the column 107 and is located on one side of the column 107; the limiting plate 112 is integrally formed with the gripping rod 111 and abuts against the column 107. The external threaded end of the gripping rod 111 can be directly installed in the threaded hole on the column 107, and the limiting plate 112 has a circular structure and can abut against the column 107 after the gripping rod 111 is installed.

[0025] When using this utility model to solve the problem of inconvenient handling of existing fire pumps, first check whether the corresponding connecting bolts of the equipment are loose, and whether the grip rod 111 is loose. If loose, it needs to be tightened accordingly. Then, the movable wheel 106 facilitates the movement of the bracket 101, thereby enabling convenient movement of the vertical multistage pump body 102. Furthermore, by rotating the abutment screw 110 away from the I-beam block 105, the I-beam block 105 can slide directly and simultaneously disengage from the mounting plate 103 and the sliding groove on the base of the vertical multistage pump body 102. Then, the vertical multistage pump body 102 can be removed for maintenance or replacement. The cooperation between the lifting column 108 and the column 107 facilitates the hoisting and movement of the equipment. The lifting device allows multiple workers to lift and move the equipment, thus solving the problem of inconvenient handling of existing fire pumps.

[0026] Example 2:

[0027] like Figure 3 As shown, where Figure 3 This is a schematic diagram of the overall structure of a multi-stage self-priming motor-driven fire pump. Based on the first embodiment, this utility model provides a multi-stage self-priming motor-driven fire pump, which also includes a stabilizing mechanism. The stabilizing mechanism includes a connecting frame 201 and an abutment frame 202.

[0028] The connecting frame 201 is detachably connected to the column 107 and is located between the columns 107. The abutment frame 202 is welded and fixed to the connecting frame 201, and its curved cavity end can abut against the vertical multistage pump body 102. The two ends of the connecting frame 201 are respectively tightened and installed on the column 107 by positioning pins and screws. One end of the abutment frame 202 is welded to the connecting frame 201, and the other end abuts against the vertical multistage pump body 102.

[0029] In this embodiment, the connection frame 201 and the abutment frame 202 are provided to improve the working stability of the vertical multistage pump body 102.

[0030] The above examples only illustrate the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above examples without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed by the present application shall be covered by the claims of the present application.

Claims

1. A multi-stage self-priming motor-driven fire pump, comprising a support frame and a vertical multi-stage pump body, wherein the vertical multi-stage pump body is detachably mounted on the upper side of the support frame, characterized in that: It also includes auxiliary mechanisms; The auxiliary mechanism includes a mounting plate, positioning columns, I-beams, casters, columns, hanging columns, locking devices, and lifting devices. The mounting plate is fixedly connected to the bracket and is located on the top of the bracket. The positioning columns are integrally formed with the mounting plate and are arranged at 90° intervals, and are slidably connected to the base of the vertical multistage pump body. The I-beams are slidably connected to both the mounting plate and the base of the vertical multistage pump body. The casters are fixed to the bottom of the bracket, and there are four casters. The columns are fixed to the bracket. The hanging columns are threadedly connected to the columns and are located on the top of the columns. The locking device is located on the side of the bracket near the I-beams, and the lifting device is located on the columns.

2. The multi-stage self-priming motor-driven fire pump as described in claim 1, characterized in that: The output shaft of the drive motor of the vertical multistage pump body and the transmission shaft of the pump body can be connected by a coupling structure or a spline shaft structure.

3. The multi-stage self-priming motor-driven fire pump as described in claim 1, characterized in that: The locking device includes a curved block and an abutting screw. The curved block is detachably connected to the mounting plate. The abutting screw is threadedly connected to the curved block and passes through the curved block. The stepped optical shaft end of the screw can be slidably inserted into the mating hole of the I-beam block.

4. The multi-stage self-priming motor-driven fire pump as described in claim 1, characterized in that: The lifting device includes a gripping rod and a limiting plate. The gripping rod is threadedly connected to the column and is located on one side of the column. The limiting plate is integrally formed with the gripping rod and abuts against the column.

5. The multi-stage self-priming motor-driven fire pump as described in claim 1, characterized in that: The multi-stage self-priming motor-driven fire pump also includes a stabilizing mechanism, which includes a connecting frame and an abutting frame. The connecting frame is detachably connected to the column and is located between the columns. The abutting frame is welded and fixed to the connecting frame, and its curved cavity end can abut against the vertical multi-stage pump body.

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