A building fire fighting equipment maintenance device
By designing a building fire protection equipment maintenance device that includes maintenance components and wiping components, the problem that the prior art cannot effectively remove dust and impurities on the surface of fire protection equipment is solved, effectively cleaning and maintenance of the equipment is achieved, the service life of the equipment is extended and the maintenance quality is improved.
Patent Information
- Application Number
- CN202421403649.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-19
AI Technical Summary
Existing building fire protection equipment maintenance devices cannot effectively remove dust and impurities on the surface of fire protection equipment, resulting in the aesthetics of the equipment and possible corrosion hazards.
A maintenance device for building fire protection equipment including maintenance components and wiping components is designed. Through the design of cleaning brushes and maintenance brushes, combined with power components and support components, the dust and impurities on the surface of fire protection equipment are effectively wiped and maintained.
Effectively remove dust and impurities on the surface of fire-fighting equipment, ensure the normal operation of the equipment, extend the service life, prevent corrosion or rust, and improve maintenance efficiency and quality.
Smart Images

Figure CN222710286U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building fire fighting equipment, and in particular relates to a building fire fighting equipment maintenance device. Background Art
[0002] Building fire protection facilities refer to the general term for equipment and facilities such as automatic fire alarm systems, automatic water sprinkler systems, and fire hydrant systems installed in buildings (structures) for preventing and fighting building (structure) fires. Commonly used ones include automatic fire alarm systems, automatic water sprinkler systems, fire hydrant systems, gas fire extinguishing systems, foam fire extinguishing systems, dry powder fire extinguishing systems, smoke and exhaust systems, and safe evacuation systems. It is an important facility to ensure the fire safety of buildings and the safety of personnel evacuation, and is an important part of modern buildings. It plays an important role in protecting buildings and effectively protects the lives of citizens and the safety of national property.
[0003] It is very necessary to regularly maintain and service building fire protection facilities, and promptly replace and repair faulty equipment so that timely rescue can be carried out when dangerous situations occur.
[0004] The utility model patent with publication number CN212442192U discloses a maintenance device for building fire protection facilities, which relates to the field of fire protection facility maintenance. In view of the problem that fire protection equipment will age due to long-term use, the following solution is proposed, including a maintenance box, the inner wall of the bottom box of the maintenance box is connected to a driving motor by bolts, the output shaft of the driving motor is fixedly connected to a first rotating shaft, the outer ring of the first rotating shaft is penetrated and connected with an isolation plate, the outer wall circumference of the isolation plate is welded to the inner wall circumference of the maintenance box, the top end of the first rotating shaft is fixedly connected with a fixing plate, the outer ring of the first rotating shaft close to the driving motor is fixedly sleeved with a first bevel gear, a second bevel gear is provided on the left side of the first bevel gear, and the first bevel gear is meshed with the second bevel gear for transmission.
[0005] Although this technology is novel in design and convenient for the maintenance of building fire equipment, thus slowing down the aging of fire equipment and ensuring that the fire equipment can be used for a long time, and is suitable for market promotion, this technology cannot wipe the dust or impurities on the surface of the fire equipment while maintaining it. Dust and impurities not only affect the appearance of the fire equipment, but also the impurities are prone to contain harmful substances that corrode the fire equipment. Utility Model Content
[0006] The utility model aims to solve the above-mentioned technical problems and provides a building fire fighting equipment maintenance device which can maintain the fire fighting equipment and wipe the dust and impurities on its surface.
[0007] In view of this, the utility model provides a building fire protection equipment maintenance device, comprising:
[0008] Base plate;
[0009] A maintenance component, arranged on the bottom plate, for maintaining the fire-fighting equipment;
[0010] A wiping component, arranged on the bottom plate, is used to wipe dust and impurities on the surface of the fire-fighting equipment;
[0011] The power component cooperates with the maintenance component and the wiping component to adjust the maintenance component and the wiping component to maintain and wipe fire-fighting equipment of different sizes;
[0012] The wipe kit includes:
[0013] A mounting plate is arranged at the front and rear ends of the upper side of the bottom plate;
[0014] A cleaning brush is arranged on the inner wall of the mounting plate.
[0015] In the above technical solution, further, the maintenance component includes:
[0016] A fixing plate is arranged at the front and rear ends of the upper side of the bottom plate and is located on the right side of the mounting plate;
[0017] A maintenance brush is arranged on the inner wall of the fixed plate.
[0018] In any of the above technical solutions, further, the power assembly includes:
[0019] Brackets are arranged on the front and rear sides of the bottom plate;
[0020] A motor is arranged on the bracket;
[0021] A ball screw is arranged on the output shaft of the motor;
[0022] A connecting shaft is arranged between the mounting plate and the fixing plate on the same side;
[0023] The connecting plate is arranged on the connecting shaft, and the connecting plate is threadedly connected to the ball screw.
[0024] In any of the above technical solutions, further, the cleaning brush is connected to the mounting plate by means of bolts, and the maintenance brush is connected to the fixing plate by means of bolts.
[0025] In any of the above technical solutions, further, a support assembly for supporting the fire-fighting equipment is provided on the bottom plate, and the support assembly includes:
[0026] Support seats are arranged on the left and right sides of the top of the bottom plate;
[0027] The limited position shelf is arranged on the top of the support base.
[0028] In any of the above technical solutions, further, a protective pad is provided on the inner wall of the limited position rack, and the protective pad is used to prevent the fire-fighting equipment and the limited position rack from being worn.
[0029] In any of the above technical solutions, further, a pushing component is included, and the pushing component includes:
[0030] A mounting frame is provided on the top right side of the base plate;
[0031] A bearing is arranged on the top of the mounting frame;
[0032] A screw, threadedly arranged in a bearing;
[0033] A fixed block is arranged at the left end of the screw rod;
[0034] A push plate is arranged on the left side of the fixed block by bolt connection;
[0035] The handle is arranged at the right end of the screw.
[0036] The beneficial effects of the utility model are:
[0037] 1. By adjusting the position and strength of the maintenance components and the wiping components, the fire-fighting equipment passes through the cleaning brush, and the cleaning brush cleans the surface of the fire-fighting equipment, which can effectively remove dust and impurities, ensure that it can operate normally when needed, and extend its service life;
[0038] 2. After the maintenance brush is adjusted to contact the fire-fighting equipment, the fire-fighting equipment passes through the maintenance brush, and the maintenance brush begins to perform corresponding maintenance tasks on the surface of the fire-fighting equipment, lubricating or applying maintenance substances, so that the fire-fighting equipment can be maintained to prevent corrosion or rust of the fire-fighting equipment, improve the maintenance efficiency and quality of the fire-fighting equipment, and extend its service life;
[0039] 3. The motor is used as a driving force to drive the cleaning brush and the maintenance brush to move and contact the fire-fighting equipment, so that the cleaning brush and the maintenance brush can maintain it. In this way, the maintenance brush and the cleaning brush can be driven away from or close to the fire-fighting equipment, which is convenient for the maintenance of fire-fighting equipment of different sizes to meet different needs;
[0040] 4. The design of limited position rack ensures that the fire-fighting equipment maintains the correct position during maintenance and repair, avoiding damage or operational difficulties caused by position deviation, and improving the stability and reliability of the maintenance device;
[0041] 5. By turning the handle, the screw rotates and moves, and the screw drives the push plate to push the fire-fighting equipment along the maintenance brush and the cleaning brush, so that the cleaning brush and the maintenance brush can maintain the fire-fighting equipment. In this way, the fire-fighting equipment can be maintained or serviced, providing a reliable and convenient pushing system, so that maintenance personnel can easily perform maintenance and service operations on the fire-fighting equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0042] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model;
[0043] Figure 2 This is a second three-dimensional structural schematic diagram of the utility model;
[0044] Figure 3 This is a third three-dimensional structural schematic diagram of the utility model;
[0045] The reference numerals in the figure are: 1. base plate; 2. maintenance component; 21. fixing plate; 22. maintenance brush; 3. wiping component; 31. mounting plate; 32. cleaning brush; 4. power component; 41. bracket; 42. motor; 43. ball screw; 44. connecting shaft; 45. connecting plate; 5. support component; 51. support seat; 52. position limit rack; 6. protective pad; 7. pushing component; 71. mounting frame; 72. bearing; 73. screw; 74. fixing block; 75. push plate; 76. handle. DETAILED DESCRIPTION
[0046] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.
[0047] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0048] Embodiment 1:
[0049] This embodiment provides a building fire protection equipment maintenance device, which is characterized by comprising:
[0050] Bottom plate 1;
[0051] A maintenance component 2, arranged on the base plate 1, for maintaining the fire-fighting equipment;
[0052] The wiping component 3 is arranged on the bottom plate 1 and is used to wipe the dust and impurities on the surface of the fire-fighting equipment;
[0053] The power component 4 cooperates with the maintenance component 2 and the wiping component 3 to adjust the maintenance component 2 and the wiping component 3 to maintain and wipe fire-fighting equipment of different sizes;
[0054] The wiping assembly 3 comprises:
[0055] The mounting plate 31 is arranged at the front and rear ends of the upper side of the bottom plate 1;
[0056] The cleaning brush 32 is disposed on the inner wall of the mounting plate 31 .
[0057] In this technical solution, the base plate 1 is the foundation of the entire device, providing support and stability. The maintenance component 2 is located on the base plate 1 and is used to maintain the fire-fighting equipment. The wiping component 3 is also arranged on the base plate 1 and is used to remove dust and impurities on the surface of the fire-fighting equipment, which helps to keep the equipment clean and ensure its normal operation. The power component 4 cooperates with the maintenance component 2 and the wiping component 3 to adjust them to maintain and wipe fire-fighting equipment of different sizes. The composition of the wiping component 3: the mounting plate 31 is arranged at the front and rear ends of the upper side of the base plate 1 to provide support and mounting position for the wiping component 3. The cleaning brush 32 is installed on the inner wall of the mounting plate 31 for actual wiping operations. The cleaning brush 32 is soft to avoid damaging the surface of the equipment, but strong enough to effectively remove dust and impurities.
[0058] The working process of the whole device is as follows:
[0059] The operator starts the device and selects the corresponding maintenance and wiping programs. The power component 4 starts to run. According to the settings, the position and strength of the maintenance component 2 and the wiping component 3 are adjusted. The maintenance component 2 performs the corresponding maintenance task. At the same time, the wiping component 3 starts to work to clean the surface of the fire-fighting equipment. Once the program is completed, the device stops running. The operator can take out the equipment and reinstall it to the required position, thereby improving the maintenance efficiency and quality of the fire-fighting equipment. This can effectively remove dust and impurities, ensure that it can operate normally when needed, and extend its service life.
[0060] Embodiment 2:
[0061] This embodiment provides a building fire protection equipment maintenance device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0062] Maintenance Kit 2 includes:
[0063] The fixing plate 21 is arranged at the front and rear ends of the upper side of the bottom plate 1 and is located on the right side of the mounting plate 31;
[0064] The maintenance brush 22 is disposed on the inner wall of the fixing plate 21 .
[0065] In the present technical solution, the fixing plate 21 is located at the front and rear ends of the upper side of the bottom plate 1, and the position is set on the right side of the mounting plate 31. Its function is to provide support and fixation to ensure that the maintenance brush 22 can perform maintenance operations at the required position. The maintenance brush 22 is set on the inner wall of the fixing plate 21. The maintenance brush 22 is specially made to perform specific maintenance tasks, such as cleaning, lubricating or applying maintenance substances. Their design may take into account the material and characteristics of the surface of the fire-fighting equipment, as well as the requirements of maintenance operations. When the fire-fighting equipment needs to be maintained, the device is started, and the corresponding maintenance program is selected. The power component 4 starts to run. According to the setting, the position and force of the fixing plate 21 and the maintenance brush 22 are adjusted. The maintenance brush 22 starts to perform the corresponding maintenance tasks on the surface of the fire-fighting equipment, lubricating or applying maintenance substances. Due to the setting of the fixing plate 21, the maintenance brush 22 can operate at a fixed position to ensure the accuracy and stability of the maintenance task. Once the program is completed, the device stops running. In this way, the fire-fighting equipment can be maintained to prevent corrosion or rust on the fire-fighting equipment, improve the maintenance efficiency and quality of the fire-fighting equipment, ensure that it can operate normally when needed, and extend its service life.
[0066] Embodiment 3:
[0067] This embodiment provides a building fire protection equipment maintenance device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0068] The power assembly 4 includes:
[0069] Brackets 41 are arranged on the front and rear sides of the bottom plate 1;
[0070] The motor 42 is arranged on the bracket 41;
[0071] A ball screw 43 is arranged on the output shaft of the motor 42;
[0072] A connecting shaft 44 is disposed between the mounting plate 31 and the fixing plate 21 on the same side;
[0073] The connecting plate 45 is disposed on the connecting shaft 44 , and the connecting plate 45 is threadedly connected to the ball screw 43 .
[0074] In the present technical solution, when the fire-fighting equipment needs to be maintained and wiped, the motor 42 is started, and the motor 42 drives the ball screw 43 to rotate. During the rotation of the ball screw 43, the connecting plate 45 is pushed to move, and the connecting plate 45 drives the connecting shaft 44 to move. The connecting shaft 44 drives the mounting plate 31 and the fixing plate 21 to approach the fire-fighting equipment, and the mounting plate 31 drives the cleaning brush 32 to move to contact the surface of the fire-fighting equipment, and the fixing plate 21 drives the maintenance brush 22 to move to contact the surface of the fire-fighting equipment. At this time, the motor 42 is turned off to ensure that the maintenance brush 22 and the cleaning brush 32 remain in the correct position. Subsequently, the user pushes the fire-fighting equipment to move, so that the fire-fighting equipment moves along the cleaning brush 32 and the maintenance brush 22, and the cleaning brush 32 wipes the dust and impurities on its surface, and the maintenance brush 22 lubricates or applies maintenance to it. The nutritious material makes the fire-fighting equipment less likely to corrode or rust, thereby extending the service life of the fire-fighting equipment. After the maintenance and wiping work is completed, the motor 42 is started, and the motor 42 drives the ball screw 43 to rotate in the opposite direction. The ball screw 43 rotates in the opposite direction and pushes the connecting plate 45 to move outward. The connecting plate 45 drives the connecting shaft 44 to move outward. The connecting shaft 44 drives the fixing plate 21 and the mounting plate 31 to move outward, so that the maintenance brush 22 and the cleaning brush 32 move outward, and the maintenance brush 22 and the cleaning brush 32 are out of contact with the fire-fighting equipment. At this time, the user can remove the fire-fighting equipment that has been maintained and cleaned, and turn off the motor 42, so as to drive the maintenance brush 22 and the cleaning brush 32 away from or close to the fire-fighting equipment, which is convenient for maintaining fire-fighting equipment of different sizes to meet different needs.
[0075] Embodiment 4:
[0076] This embodiment provides a building fire protection equipment maintenance device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0077] The cleaning brush 32 is connected to the mounting plate 31 by means of bolts, and the maintenance brush 22 is connected to the fixing plate 21 by means of bolts.
[0078] In the present technical solution, the cleaning brush 32 is connected to the mounting plate 31 by bolts. This connection method ensures that the cleaning brush 32 is firmly fixed on the mounting plate 31 so as to perform the wiping task; the maintenance brush 22 is connected to the fixing plate 21 by bolts. This connection method ensures that the maintenance brush 22 is firmly fixed on the fixing plate 21 so as to perform the maintenance task. The bolt connection method not only ensures firm fixation and installation, improves the stability and reliability of the cleaning brush 32 and the maintenance brush 22, but also facilitates their disassembly and replacement, improves the replacement efficiency, thereby improving the efficiency and quality of maintenance and extending the service life of the fire-fighting equipment.
[0079] Embodiment 5:
[0080] This embodiment provides a building fire protection equipment maintenance device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0081] A support assembly 5 for supporting firefighting equipment is provided on the bottom plate 1, and the support assembly 5 includes:
[0082] The support base 51 is arranged on the left and right sides of the top of the bottom plate 1;
[0083] The position limiting shelf 52 is disposed on the top of the supporting seat 51 .
[0084] In the present technical solution, the support seat 51 is arranged on the left and right sides of the top of the base plate 1. The support seat 51 provides a stable support platform to ensure that the fire-fighting equipment remains stable during maintenance and servicing. The position limiting rack 52 is arranged on the top of the support seat 51 to limit the position of the fire-fighting equipment, ensuring that the fire-fighting equipment maintains the correct position during maintenance and servicing, avoiding damage or operating difficulties that may be caused by position offset. The design of the support seat 51 and the position limiting rack 52 ensures that the fire-fighting equipment remains stable during maintenance and servicing, reducing the risk of accidental movement or tilting.
[0085] A protective pad 6 is provided on the inner wall of the position-limiting rack 52 , and the protective pad 6 is used to prevent the fire-fighting equipment and the position-limiting rack 52 from being worn.
[0086] In the present technical solution, the protective pad 6 on the inner wall of the limited position rack 52 is used to prevent the fire-fighting equipment from wearing against the inner wall of the limited position rack 52. The protective pad 6 is made of soft material, such as rubber or soft plastic, which can buffer and reduce friction and protect the surface of the fire-fighting equipment from damage. By providing the protective pad 6, the fire-fighting equipment can be prevented from wearing against the inner wall of the rack, thereby extending the service life of the equipment and reducing maintenance costs.
[0087] Embodiment 6:
[0088] This embodiment provides a building fire protection equipment maintenance device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0089] Also included is a push assembly 7, which includes:
[0090] A mounting frame 71 is provided on the top right side of the base plate 1;
[0091] A bearing 72 is disposed on the top of the mounting frame 71;
[0092] The screw 73 is threadedly disposed in the bearing 72;
[0093] A fixing block 74 is arranged at the left end of the screw rod 73;
[0094] The push plate 75 is arranged on the left side of the fixing block 74 by bolt connection;
[0095] The handle 76 is disposed at the right end of the screw rod 73 .
[0096] In the present technical solution, the mounting frame 71 is arranged on the top right side of the base plate 1 to provide support and fix the position of the pushing component 7. The bearing 72 is located on the top of the mounting frame 71 to provide rotation support for the screw 73 to ensure its stable operation during the pushing process. The screw 73 is threadedly arranged in the bearing 72 as the main power source of the pushing component 7. The fixed block 74 is arranged at the left end of the screw 73. The push plate 75 is arranged on the left side of the fixed block 74 by bolt connection. It moves with the rotation of the screw 73 and is used to push the maintenance or maintenance of the fire-fighting equipment. The handle 76 is arranged at the right end of the screw 73 to provide a grip for the operator to manually rotate the screw 73, thereby realizing the movement of the pushing component 7.
[0097] When the fire-fighting equipment needs to be maintained, the fire-fighting equipment is first placed on the left side of the push plate 75, and then the motor 42 drives the ball screw 43 to rotate, thereby driving the maintenance brush 22 and the cleaning brush 32 to move and contact the fire-fighting equipment. At this time, the user turns the handle 76, and the handle 76 drives the screw 73 to rotate. The screw 73 moves during the rotation and pushes the push plate 75 to move. The push plate 75 pushes the fire-fighting equipment to move to the left, so that the fire-fighting equipment passes through the maintenance brush 22 and the cleaning brush 32, and passes through the limited position rack 52. The limited position rack 52 supports the fire-fighting equipment. When the fire-fighting equipment as a whole passes through the maintenance brush 22 and the cleaning brush 32 The cleaning brush 32 wipes the dust and impurities on the surface of the fire-fighting equipment, and the maintenance brush 22 lubricates or applies maintenance materials to it, so that the fire-fighting equipment is not easily corroded or rusted, and the service life of the fire-fighting equipment is extended. The fire-fighting equipment after maintenance is supported by the limited position rack 52, and the positions of the maintenance brush 22 and the cleaning brush 32 are adjusted by the motor 42 and the ball screw 43 to release the fire-fighting equipment, so that the user can take it away, so that the maintenance or maintenance operation of the fire-fighting equipment can be realized, providing a reliable and convenient pushing system, so that the maintenance personnel can easily perform the maintenance and maintenance operations of the fire-fighting equipment.
[0098] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.
Claims
1. A building fire equipment maintenance device, characterized in that: include: Bottom plate (1); A maintenance component (2), arranged on the base plate (1), and used for maintaining the fire-fighting equipment; A wiping assembly (3) is arranged on the bottom plate (1) and is used to wipe dust and impurities on the surface of the fire-fighting equipment; A power component (4) cooperates with the maintenance component (2) and the wiping component (3) and is used to adjust the maintenance component (2) and the wiping component (3) to perform maintenance and wiping on fire-fighting equipment of different sizes; The wiping assembly (3) comprises: A mounting plate (31) is arranged at the front and rear ends of the upper side of the bottom plate (1); A cleaning brush (32) is arranged on the inner wall of the mounting plate (31).
2. A building fire fighting equipment maintenance device according to claim 1, characterized in that: The maintenance component (2) comprises: A fixing plate (21) is arranged at the front and rear ends of the upper side of the bottom plate (1) and is located on the right side of the mounting plate (31); A maintenance brush (22) is arranged on the inner wall of the fixing plate (21).
3. A building fire fighting equipment maintenance device according to claim 2, characterized in that: The power assembly (4) comprises: A bracket (41) is arranged on the front and rear sides of the bottom plate (1); A motor (42) is arranged on the bracket (41); A ball screw (43) is arranged on the output shaft of the motor (42); A connecting shaft (44) is arranged between the mounting plate (31) and the fixing plate (21) on the same side; A connecting plate (45) is arranged on the connecting shaft (44), and the connecting plate (45) is threadedly connected to the ball screw (43).
4. A building fire fighting equipment maintenance device according to claim 2, characterized in that: The cleaning brush (32) is connected to the mounting plate (31) by means of bolts, and the maintenance brush (22) is connected to the fixing plate (21) by means of bolts.
5. A building fire fighting equipment maintenance device according to claim 1, characterized in that: The base plate (1) is provided with a support assembly (5) for supporting fire-fighting equipment, and the support assembly (5) comprises: A support seat (51) is arranged on the left and right sides of the top of the bottom plate (1); The limited position rack (52) is arranged on the top of the support seat (51).
6. A building fire fighting equipment maintenance device according to claim 5, characterized in that: The inner wall of the position-limiting shelf (52) is provided with a protective pad (6), and the protective pad (6) is used to prevent the fire-fighting equipment and the position-limiting shelf (52) from being worn.
7. A building fire fighting equipment maintenance device according to claim 1, characterized in that: The invention also comprises a pushing component (7), wherein the pushing component (7) comprises: A mounting frame (71) is arranged on the top right side of the base plate (1); A bearing (72) is arranged on the top of the mounting frame (71); A screw (73) threadably disposed in the bearing (72); A fixing block (74) is arranged at the left end of the screw rod (73); A push plate (75) is arranged on the left side of the fixing block (74) by means of bolt connection; A handle (76) is arranged at the right end of the screw rod (73).
Citation Information
Patent Citations
Building fire-fighting facility maintenance device
CN212442192U