CN223377082U - Pressure testing machine with cleaning function - Google Patents

Abstract

The utility model discloses a pressure testing machine with a cleaning function, which comprises a U-shaped frame, a hydraulic rod, a pressure detector, a supporting table, brackets, clamping mechanisms, a cleaning mechanism and a central controller, wherein the U-shaped frame is of a U-shaped structure, the supporting table is arranged in the U-shaped frame, the pressure detector is arranged in the U-shaped frame in a lifting mode through the hydraulic rod and is positioned right above the supporting table, a pair of brackets are respectively arranged on two sides of the supporting table, the pair of clamping mechanisms are respectively arranged on the pair of brackets, so that a concrete test block is clamped and arranged on the supporting table through the pair of clamping mechanisms, the cleaning mechanism is arranged on the pair of brackets and can be in sliding contact with the surface of the supporting table, the central controller is arranged at the top of the U-shaped frame, and the central controller is electrically connected with the hydraulic rod, the pressure detector, the clamping mechanisms and the cleaning mechanism. The utility model relates to the technical field of test equipment, and can solve the problems of inconvenience and inefficiency in manually cleaning broken concrete test blocks in the prior art.

Description

Pressure testing machine with clearance function

Technical Field

The utility model relates to the technical field of test equipment, in particular to a pressure testing machine with a cleaning function.

Background

In the building construction process, concrete pouring is needed to form concrete or reinforced concrete members, and in order to ensure that the concrete can reach the strength required by design, a pressure experiment is needed to be carried out on the strength of the concrete after solidification. There are many concrete test block pressure test apparatuses in the prior art that detect the compressive property of a concrete test block by providing a downward force to the concrete test block until it breaks.

However, after the concrete test block pressure test equipment in the prior art is used for completing the test, operators need to manually clean cracked concrete test blocks, the operation is inconvenient, and especially when a plurality of concrete test blocks are required to be tested, the manual cleaning is time-consuming and labor-consuming, and the experimental efficiency is affected. Therefore, it is necessary to provide a pressure testing machine with cleaning function, which can solve the problem that the manual cleaning of the broken concrete test block in the prior art is inconvenient and inefficient.

Disclosure of Invention

The utility model aims to provide a pressure testing machine with a cleaning function, which can solve the problems of inconvenience and inefficiency in manually cleaning broken concrete test blocks in the prior art.

The utility model is realized in the following way:

A pressure testing machine with a cleaning function comprises a U-shaped frame, a hydraulic rod, a pressure detector, a supporting table, a support, a clamping mechanism, a cleaning mechanism and a central controller, wherein the U-shaped frame is of a U-shaped structure, the supporting table is arranged in the U-shaped frame, the pressure detector is arranged in the U-shaped frame in a lifting mode through the hydraulic rod and is located right above the supporting table, a pair of supports are respectively arranged on two sides of the supporting table, the clamping mechanism is respectively arranged on the support to enable a concrete test block to be clamped and arranged on the supporting table through the clamping mechanism, the cleaning mechanism is arranged on the support to enable the cleaning mechanism to be in sliding contact with the surface of the supporting table, the central controller is arranged on the top of the U-shaped frame, and the central controller is electrically connected with the hydraulic rod, the pressure detector, the clamping mechanism and the cleaning mechanism.

The cleaning mechanism comprises a first chute, an active moving assembly, a follow-up moving assembly, a scraping plate, a second chute and a collecting box, wherein the first chute and the second chute are respectively arranged on a pair of brackets and are arranged along the edges of two sides of the supporting platform, the active moving assembly is arranged in the first chute, the follow-up moving assembly is arranged in the second chute, the scraping plate is connected between the active moving assembly and the follow-up moving assembly and is in sliding contact with the surface of the supporting platform, and the collecting box is arranged in the U-shaped bracket and is positioned below the end part of the supporting platform.

The driving motion assembly comprises a driving motor, a threaded rod and a first transmission plate, wherein the threaded rod is rotatably arranged in the first sliding groove, the threaded rod is arranged parallel to one side edge of the supporting table, the driving motor is arranged on the outer wall of one end of the first sliding groove, an output shaft of the driving motor penetrates through one end of the first sliding groove and is fixedly connected with the threaded rod in a coaxial mode, a threaded hole is formed in the first transmission plate and is screwed on the threaded rod in a threaded mode, the first transmission plate is embedded in the first sliding groove in a sliding mode, one end of the scraping plate is connected to the first transmission plate, and the driving motor is electrically connected with the central controller.

The follow-up motion assembly comprises a sliding rod and a second transmission plate, wherein the sliding rod is fixedly arranged in a second sliding groove, a through hole is formed in the second transmission plate and can be sleeved on the sliding rod in a sliding mode, the second transmission plate is embedded in the second sliding groove in a sliding mode, and the other end of the scraping plate is connected to the second transmission plate.

The U-shaped frame is internally provided with a protection mechanism, the protection mechanism comprises a protection cover and lifting components, the protection cover is arranged in the U-shaped frame in a lifting mode through a pair of lifting components, is of a hollow box-shaped structure with an opening at the bottom, is sleeved on the hydraulic rod and can cover the periphery of the pressure detector and the supporting table.

Each group of lifting components comprises a connecting plate, a stand column, a toothed plate, a gear motor and a gear, one end of the connecting plate is fixedly connected to the outer side wall of the protective cover, the stand column is vertically arranged in the U-shaped frame and located on the outer side of the protective cover, the vertical long toothed plate is embedded on the inner side surface of the stand column facing the protective cover through a hollow groove, the gear is rotatably embedded on the other end of the connecting plate through a cavity, the gear motor is arranged on the outer wall of the connecting plate, an output shaft of the gear motor is fixedly connected with the gear coaxially, the gear motor is electrically connected with the central controller, a through hole for communicating the cavity and the hollow groove is formed at the other end of the connecting plate, and the gear penetrates through the through hole and is in meshed transmission connection with the toothed plate.

The front end face of the protective cover is embedded with explosion-proof glass.

Each group of clamping mechanism comprises an air cylinder and a clamping plate, wherein the air cylinder is arranged on the bracket and is electrically connected with the central controller, and the piston end of the air cylinder is connected with the clamping plate, so that the clamping plate is movably arranged at the side of the supporting platform.

Compared with the prior art, the utility model has the following beneficial effects:

1. The cleaning mechanism is arranged, the reciprocating driving force is provided by the driving motor, the scraping plate scrapes and cleans the surface of the supporting table under the transmission of the first transmission plate and the second transmission plate, the concrete fragments are pushed down to the supporting table and collected by the collecting box, manual cleaning is not needed, the operation is time-saving and labor-saving, high-efficiency and sanitary, and the continuous and high-efficiency performance of the concrete test block pressure test is ensured.

2. The utility model provides a lifting driving force through the gear motor, and the protective cover is lowered to the outer side of the cover cap on the pressure detector, the concrete test block and the supporting table under the meshing transmission of the gear and the toothed plate, so that splashed concrete fragments are prevented from hurting people in the pressure test process, meanwhile, the safety of the concrete test block is improved through the safe observation test process of the explosion-proof glass and the lifting reset of the protective cover after the pressure test is finished.

Drawings

FIG. 1 is a perspective view of a pressure testing machine with cleaning function of the present utility model;

FIG. 2 is a front cross-sectional view of the pressure testing machine with cleaning function of the present utility model;

FIG. 3 is a top view of a cleaning mechanism in a pressure testing machine with cleaning function in accordance with the present utility model;

FIG. 4 is a front view of a cleaning mechanism in the pressure testing machine with cleaning function of the present utility model;

fig. 5 is an enlarged schematic view at a in fig. 2.

In the figure, a U-shaped frame, 2, a hydraulic rod, 3, a pressure detector, 4, a supporting table, 5, a bracket, 6, an air cylinder, 7, a clamping plate, 8, a cleaning mechanism, 801, a first sliding groove, 802, a driving motor, 803, a threaded rod, 804, a first transmission plate, 805, a scraping plate, 806, a second sliding groove, 807, a sliding rod, 808, a second transmission plate, 809, a collecting box, 9, a protection mechanism, 901, a protection cover, 902, explosion-proof glass, 903, a connecting plate, 904, a through hole, 905, an upright post, 906, an empty groove, 907, a toothed plate, 908, a cavity, 909, a speed reducing motor, 910, a gear, 10 and a central controller.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

Referring to fig. 1 and 2, a pressure testing machine with cleaning function comprises a U-shaped frame 1, a hydraulic rod 2, a pressure detector 3, a supporting table 4, a bracket 5, a clamping mechanism, a cleaning mechanism 8 and a central controller 10, wherein the U-shaped frame 1 is in a U-shaped structure, the supporting table 4 is arranged in the U-shaped frame 1, the pressure detector 3 is arranged in the U-shaped frame 1 in a lifting manner through the hydraulic rod 2 and is located right above the supporting table 4, a pair of brackets 5 are respectively arranged on two sides of the supporting table 4, a pair of clamping mechanisms are respectively arranged on the pair of brackets 5, so that a concrete test block is clamped and arranged on the supporting table 4 through the pair of clamping mechanisms, the cleaning mechanism 8 is arranged on the pair of brackets 5, the cleaning mechanism 8 can be in sliding contact with the surface of the supporting table 4, the central controller 10 is arranged on the top of the U-shaped frame 1, and the central controller 10 is electrically connected with the hydraulic rod 2, the pressure detector 3, the clamping mechanism and the cleaning mechanism 8.

Preferably, the central controller 10 may adopt a control device such as a PC, for controlling the starting, closing, moving direction, etc. of the hydraulic rod 2, the pressure detector 3, the clamping mechanism and the cleaning mechanism 8, and may adaptively select the function and model of the PC device according to the actual control requirement.

Under the control of the central controller 10, the hydraulic rod 2 pushes the piston rod to extend downwards or reset upwards through the pressure of hydraulic oil, so that the pressure detector 3 is driven to move downwards or upwards, the pressure detector 3 provides a downward pressure to a concrete test block on the supporting table 4 when moving downwards, and simultaneously the magnitude of the downward pressure is detected in real time and fed back to the central controller 10 so as to meet the operation requirement of a pressure test. After the pressure test is finished, the pressure detector 3 moves upwards along with the hydraulic rod 2 to be far away from the supporting table 4.

The bracket 5 is used for installing the clamping mechanism and the cleaning mechanism 8, and mutual movement interference of the clamping mechanism and the cleaning mechanism 8 should be avoided during installation. The clamping mechanism is used for clamping the concrete test block from two sides, so that the concrete test block is ensured to be stable and not to slide in the pressure test process, the cleaning mechanism 8 is used for cleaning the concrete fragments after the pressure test is finished, and the problems of inconvenience and inefficiency in manually cleaning the concrete fragments are solved.

Referring to fig. 2 to 4, the cleaning mechanism 8 includes a first chute 801, an active moving assembly, a follow-up moving assembly, a scraper 805, a second chute 806 and a collection box 809, wherein the first chute 801 and the second chute 806 are respectively installed on a pair of brackets 5 and are disposed along two side edges of the pallet 4, the active moving assembly is disposed in the first chute 801, the follow-up moving assembly is disposed in the second chute 806, the scraper 805 is connected between the active moving assembly and the follow-up moving assembly, and the scraper 805 is in sliding contact with the surface of the pallet 4, and the collection box 809 is disposed in the U-shaped frame 1 and is located below the end of the pallet 4.

The active motion component is used for providing driving force to drive the scraping plate 805 to move, the follow-up motion component synchronously moves along with the active motion component under the driving of the scraping plate 805, so that stable motion of the scraping plate 805 is ensured, and meanwhile, the scraping plate 805 scrapes the surface of the supporting platform 4 in the motion process, so that the purpose of cleaning concrete fragments on the supporting platform 4 is achieved. The concrete fragments are pushed to the front end of the supporting platform 4 under the movement of the scraping plate 805 and drop into the collecting box 809, so that the manual cleaning is replaced, and the operation is time-saving and labor-saving.

The first chute 801 and the second chute 806 are used for installing an active motion assembly and a follow-up motion assembly, respectively, and preferably, the top of the first chute 801 and the second chute 806 may be slightly higher than the surface of the pallet 4, so as to prevent concrete fragments from falling into the first chute 801 and the second chute 806 to affect the operation of the active motion assembly and the follow-up motion assembly.

Referring to fig. 2 to 4, the active motion assembly includes a driving motor 802, a threaded rod 803 and a first driving plate 804, wherein the threaded rod 803 is rotatably disposed in the first sliding groove 801 through a rotation bearing, the threaded rod 803 is disposed parallel to one side edge of the supporting table 4, the driving motor 802 is mounted on an outer wall of one end of the first sliding groove 801, an output shaft of the driving motor 802 penetrates through one end of the first sliding groove 801 and is fixedly connected with the threaded rod 803 coaxially, a threaded hole is formed in the first driving plate 804 and is screwed on the threaded rod 803, the first driving plate 804 is slidably embedded in the first sliding groove 801, one end of the scraping plate 805 is connected to the first driving plate 804, and the driving motor 802 is electrically connected with the central controller 10.

Preferably, the driving motor 802 may be a small motor having a bi-directional rotation function for driving the threaded rod 803 to rotate in a forward or reverse direction. Because the first transmission plate 804 is slidably embedded in the first sliding groove 804 and cannot rotate, under the transmission of the threads, the rotation of the threaded rod 803 is converted into linear motion of the first transmission plate 804 along the axial direction of the threaded rod 803, so that the first transmission plate 804 can slide back and forth along the first sliding groove 804 by utilizing different steering directions of the threaded rod 803, and further the scraper 805 is driven to slide forwards, scratch, clean and slide backwards to reset.

Referring to fig. 2 to 4, the follower motion assembly includes a sliding rod 807 and a second driving plate 808, wherein the sliding rod 807 is fixedly disposed in the second sliding slot 806, the second driving plate 808 is formed with a through hole and slidably sleeved on the sliding rod 807, such that the second driving plate 808 is slidably embedded in the second sliding slot 806, and the other end of the scraper 805 is connected to the second driving plate 808.

The aperture of the through hole on the second transmission plate 808 is slightly larger than the diameter of the sliding rod 807, so that the second transmission plate 808 can smoothly slide along the axial direction of the sliding rod 807 without blocking, thereby achieving the following purpose and further realizing the stable movement of the scraper 805.

Referring to fig. 1 and 2, a protection mechanism 9 is disposed in the U-shaped frame 1, the protection mechanism 9 includes a protection cover 901 and a lifting assembly, the protection cover 901 is disposed in the U-shaped frame 1 in a lifting manner by a pair of lifting assemblies, the protection cover 901 is of a hollow box structure with an opening at the bottom, and the protection cover 901 is sleeved on the hydraulic rod 2 and can cover the periphery of the pressure detector 3 and the supporting stand 4.

The protective cover 901 can be made of hard metal and other materials, so that splashed concrete fragments can be prevented from injuring operators, and the safety of a pressure test is improved. The lifting assembly is used for controlling the lifting of the protective cover 901, and is lowered to cover the outer sides of the concrete test block, the pressure detector 3 and the supporting table 4 in the test, and the protective cover 901 is lifted and reset after the test is finished.

Referring to fig. 1, 2 and 5, each of the lifting assemblies includes a connecting plate 903, a column 905, a toothed plate 907, a gear motor 909 and a gear 910, one end of the connecting plate 903 is fixedly connected to an outer side wall of the protective cover 901, the column 905 is vertically disposed in the U-shaped frame 1 and is located at an outer side of the protective cover 901, a vertically elongated toothed plate 907 is embedded on an inner side surface of the column 905 facing the protective cover 901 through a hollow groove 906, the other end of the connecting plate 903 is rotatably embedded with the gear 910 through a wheel shaft through the hollow cavity 908, the gear motor 909 is disposed on an outer wall of the connecting plate 903, an output shaft of the gear motor 909 is coaxially and fixedly connected with the wheel shaft of the gear 910, the gear motor 909 is electrically connected with the central controller 10, a through hole 904 for communicating the hollow cavity 908 and the hollow groove 906 is formed at the other end of the connecting plate 903, and the gear 910 penetrates through the through hole 904 and is in meshed transmission connection with the toothed plate 907.

Preferably, the speed reduction motor 909 is composed of a small motor and a speed reducer having a bi-directional rotation function of the related art, and is capable of providing stable bi-directional rotation control for the gear 910.

When the gear 910 rotates, the gear 910 and the toothed plate 907 can be meshed to drive the toothed plate 907 to roll upwards or roll downwards along the toothed plate 907, so that the protective cover 901 is driven by the connecting plate 903 to realize lifting function. When the gear motor 909 is turned off, the gear 910 can be locked, so that the gear 910 is locked between the toothed plates 907 of the pair of posts 905 and does not fall.

Referring to fig. 1, an explosion-proof glass 902 is embedded on the front end surface of the protective cover 901.

The explosion-proof glass 902 can be used as an observation window, is convenient for operators to observe the test process, is not easy to scratch and crack, and has high safety.

Referring to fig. 2, each group of clamping mechanisms comprises an air cylinder 6 and a clamping plate 7, wherein the air cylinder 6 is arranged on the bracket 5 and is electrically connected with the central controller 10, and the piston end of the air cylinder 6 is connected with the clamping plate 7, so that the clamping plate 7 is movably arranged beside the supporting platform 4.

Under the control of the central controller 10, the cylinder 6 pushes the piston rod to extend or retract by utilizing the change of air pressure, so that the clamping plate 7 is driven to move towards the direction close to the concrete test block for clamping the concrete test block from two sides or move away from the concrete test block for releasing the concrete test block.

Referring to fig. 1 to 5, the working process and working principle of the present utility model are as follows:

The operating personnel places the concrete test block on the saddle 4, starts a pair of cylinder 6 through central controller 10, and the piston rod of a pair of cylinder 6 stretches out, promotes the direction of a pair of splint 7 to the concrete test block, makes a pair of splint 7 press from both sides the concrete test block on saddle 4, avoids the concrete test block to take place to slide in the test process.

The pair of lifting assemblies synchronously move under the control of the central controller 10 to enable the protective cover 901 to move downwards to cover the outer sides of the supporting table 4 and the concrete test block, and the movement modes of the pair of lifting assemblies are the same, and a group of lifting assemblies are taken as an example for illustration below:

The gear motor 909 is started by the central controller 10, the output shaft of the gear motor 909 drives the gear 910 to rotate, and the gear 910 is meshed with the toothed plate 907 for transmission when rotating, so that the gear 910 rolls downwards along the toothed plate 907, and the protective cover 901 is driven to move downwards to the outer side of the supporting table 4 and the concrete test block by the connecting plate 903, and concrete fragments can be prevented from splashing in the test process.

The hydraulic rod 2 is started by the central controller 10, so that the hydraulic rod 2 drives the pressure detector 3 to move downwards and apply pressure to the concrete test block, the pressure value can be detected by the pressure detector 3 in real time and then transmitted to the central controller 10, and the central controller 10 displays the pressure value in real time through the display screen. And the hydraulic rod 2 is pressed down until the concrete test block is broken, and the pressure test of the concrete test block is finished. The pressure test process of the concrete test block is a conventional operation in the art, and will not be described herein.

After the test is finished, the cylinder 6, the gear motor 909 and the hydraulic rod 2 are controlled by the central controller 10 to move reversely, so that the pair of clamping plates 7 move to two sides, the protective cover 901 moves upwards, and the pressure detector 3 moves upwards, and the clamping plates are far away from the supporting table 4.

The driving motor 802 is controlled to start by the central controller 10, the output shaft of the driving motor 802 drives the threaded rod 803 to rotate, and the first transmission plate 804 moves along the first sliding groove 801 and the threaded rod 803 under the transmission of threads, wherein the moving direction of the first transmission plate 804 is from one end far from the collecting box 809 to one end close to the collecting box 809.

The motion of the first transmission plate 804 is transmitted to the second transmission plate 808 through the scraping plate 805, so that the second transmission plate 808 slides along the second sliding groove 806 and the sliding rod 807, and the scraping plate 805 scrapes the surface of the supporting table 4, so that the concrete fragments on the supporting table 4 are pushed out of the supporting table 4 and fall into the collecting box 809, and the whole process of testing the concrete test blocks is completed.

And repeating the process to perform a pressure test on a plurality of concrete test blocks.

The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.

Claims (8)

1. A pressure testing machine with a cleaning function is characterized by comprising a U-shaped frame (1), a hydraulic rod (2), a pressure detector (3), a supporting table (4), a support (5), a clamping mechanism, a cleaning mechanism (8) and a central controller (10), wherein the U-shaped frame (1) is of a U-shaped structure, the supporting table (4) is arranged in the U-shaped frame (1), the pressure detector (3) is arranged in the U-shaped frame (1) in a lifting manner through the hydraulic rod (2) and is located right above the supporting table (4), a pair of supports (5) are respectively arranged on two sides of the supporting table (4), a pair of clamping mechanisms are respectively arranged on the pair of supports (5), a concrete test block is clamped on the supporting table (4) through the pair of clamping mechanisms, the cleaning mechanism (8) is arranged on the pair of supports (5), the cleaning mechanism (8) can be in sliding contact with the surface of the supporting table (4), the central controller (10) is arranged on the top of the U-shaped frame (1), and the central controller (10), the pressure detector (2) is electrically connected with the pressure detector (3) and the clamping mechanism (8).

2. The pressure testing machine with the cleaning function according to claim 1, wherein the cleaning mechanism (8) comprises a first sliding groove (801), an active moving assembly, a follow-up moving assembly, a scraping plate (805), a second sliding groove (806) and a collecting box (809), the first sliding groove (801) and the second sliding groove (806) are respectively arranged on a pair of brackets (5) and are arranged along two side edges of the supporting table (4), the active moving assembly is arranged in the first sliding groove (801), the follow-up moving assembly is arranged in the second sliding groove (806), the scraping plate (805) is connected between the active moving assembly and the follow-up moving assembly and is in sliding contact with the surface of the supporting table (4), and the collecting box (809) is arranged in the U-shaped frame (1) and is arranged below the end portion of the supporting table (4).

3. The pressure testing machine with the cleaning function according to claim 2, wherein the active motion assembly comprises a driving motor (802), a threaded rod (803) and a first transmission plate (804), the threaded rod (803) is rotatably arranged in the first sliding groove (801), the threaded rod (803) is parallel to one side edge of the supporting table (4), the driving motor (802) is installed on the outer wall of one end of the first sliding groove (801), an output shaft of the driving motor (802) penetrates through one end of the first sliding groove (801) and is fixedly connected with the threaded rod (803) in a coaxial mode, a threaded hole is formed in the first transmission plate (804) and is screwed on the threaded rod (803), the first transmission plate (804) is slidably embedded in the first sliding groove (801), one end of the scraping plate (805) is connected to the first transmission plate (804), and the driving motor (802) is electrically connected with the central controller (10).

4. The pressure testing machine with cleaning function according to claim 3, wherein the follow-up motion assembly comprises a sliding rod (807) and a second transmission plate (808), the sliding rod (807) is fixedly arranged in the second sliding groove (806), a through hole is formed in the second transmission plate (808) and is slidably sleeved on the sliding rod (807), the second transmission plate (808) is slidably embedded in the second sliding groove (806), and the other end of the scraping plate (805) is connected to the second transmission plate (808).

5. The pressure testing machine with the cleaning function according to claim 1 or 2 is characterized in that a protection mechanism (9) is arranged in the U-shaped frame (1), the protection mechanism (9) comprises a protection cover (901) and lifting components, the protection cover (901) is arranged in the U-shaped frame (1) in a lifting mode through the pair of lifting components, the protection cover (901) is of a hollow box-shaped structure with an opening at the bottom, and the protection cover (901) is sleeved on the hydraulic rod (2) and can cover the periphery of the pressure detector (3) and the supporting table (4).

6. The pressure testing machine with cleaning function according to claim 5, wherein each group of lifting assemblies comprises a connecting plate (903), an upright post (905), a toothed plate (907), a speed reducing motor (909) and a gear (910), one end of the connecting plate (903) is fixedly connected to the outer side wall of the protective cover (901), the upright post (905) is vertically arranged in the U-shaped frame (1) and is located at the outer side of the protective cover (901), the upright post (905) is embedded with a vertically long toothed plate (907) through a hollow groove (906) on the inner side surface facing the protective cover (901), the other end of the connecting plate (903) is rotatably embedded with the gear (910) through a cavity (908), the speed reducing motor (909) is arranged on the outer wall of the connecting plate (903), an output shaft of the speed reducing motor (909) is coaxially connected with the gear (910), the speed reducing motor (909) is electrically connected with the central controller (10), the other end of the connecting plate (903) is provided with a through hole (904) communicating with the cavity (908) and the hollow groove (906), and the gear (910) penetrates through the through hole (904) and is meshed with the toothed plate (907).

7. The pressure testing machine with the cleaning function according to claim 5, wherein the front end face of the protective cover (901) is embedded with explosion-proof glass (902).

8. The pressure testing machine with the cleaning function according to claim 1, wherein each clamping mechanism comprises an air cylinder (6) and a clamping plate (7), the air cylinders (6) are arranged on the support (5) and are electrically connected with the central controller (10), and piston ends of the air cylinders (6) are connected with the clamping plates (7) so that the clamping plates (7) are movably arranged beside the supporting table (4).