CN212967352U - Spray type heat dissipation distribution transformer - Google Patents

Abstract

The utility model discloses a spray-type heat-dissipation distribution transformer, which comprises a shell, a heat dissipation device, a rotating device and a water supply device, the heat dissipation device comprises a heat conduction shell arranged in the shell, a heat dissipation cavity arranged in the heat conduction shell and heat dissipation fins arranged on the side wall of the heat conduction shell, the radiating fins are arranged by protruding the outer side of the shell, radiating channels communicated with the radiating cavity are arranged in the radiating fins, the rotating device comprises a rotating block arranged in the heat dissipation cavity, a hollow rotating shaft inserted on the rotating block, an outer cover arranged at the bottom of the shell and provided with an opening at the top, a driver arranged in the outer cover, a driving shaft connected with the driver and a magnetic device sleeved on the driving shaft and used for driving the rotating block to rotate, the cloth strips are arranged on the outer circumferential wall of the rotating shaft, and through holes communicated with the hollow part of the rotating shaft are formed in the positions, connected with the cloth strips, of the outer circumferential wall. The utility model discloses the radiating effect is good, long service life just can be convenient for remove and fixed mounting.

Description

Spray type heat dissipation distribution transformer

Technical Field

The utility model particularly relates to a fountain heat dissipation distribution transformer.

Background

A transformer is a device that changes an ac voltage using the principle of electromagnetic induction. The transformer can convert the electric energy into a high-voltage low-current form and then convert the electric energy back, so that the loss of the electric energy in the transmission process is greatly reduced, and the economic transmission distance of the electric energy is further. Therefore, the power plant can be built at a place far away from the power utilization place.

Traditional transformer can produce a large amount of heats at the during operation, gives off the heat to the external world through the fin and goes, but the radiating effect is not good, and the heat can't in time give off, can harm partial work component to lead to whole transformer can not normally work, influenced people's daily life and work.

The casing bottom of current transformer is provided with the gyro wheel for the ease of removing, installation, but when removing to the mounted position, because the transformer is bulky, the gyro wheel is accomodate or is demolishd inconveniently, extremely consumes physical power.

SUMMERY OF THE UTILITY MODEL

Based on the problem, the utility model aims to provide a fountain heat dissipation distribution transformer that radiating effect is good, long service life, can be convenient for remove.

Aiming at the problems, the following technical scheme is provided: a spray-type heat-dissipation distribution transformer comprises a shell, a heat-dissipation device, a rotating device and a water supply device, wherein the heat-dissipation device comprises a heat-conduction shell arranged in the shell, a heat-dissipation cavity arranged in the heat-conduction shell and heat-dissipation fins arranged on the side wall of the heat-conduction shell, the heat-dissipation fins protrude out of the shell, heat-dissipation channels communicated with the heat-dissipation cavity are arranged in the heat-dissipation fins, the rotating device comprises a rotating block arranged in the heat-dissipation cavity, a hollow rotating shaft inserted on the rotating block, an outer cover arranged at the bottom of the shell and provided with an opening at the top, a driver arranged in the outer cover, a driving shaft connected with the driver and a magnetic device sleeved on the driving shaft and used for driving the rotating block to rotate, two ends of the rotating shaft are connected to two opposite side walls of the heat-conduction shell through bearings, cloth strips are arranged on the outer circumferential wall, and, the water supply device comprises a lower water tank positioned at the bottom of the heat conduction shell, an upper water tank connected with the lower water tank through a pipeline and a water inlet pipe used for communicating the upper water tank with the hollow part of the rotating shaft, a water pump is arranged on the pipeline, an exhaust pipe communicated with the outside of the heat conduction shell is arranged at the top of the heat conduction shell, and an opening communicated with the lower water tank is arranged at the bottom of the heat conduction shell.

In the structure, a part of heat generated in the shell is conducted into the heat dissipation cavity through the heat conduction shell, and a part of heat is conducted onto the heat dissipation sheet and is dissipated to the outside of the shell through the heat dissipation sheet. With power supply unit switch on, make driver control drive shaft drive magnetic means rotate, magnetic means's gravitation pulls the turning block and drives the rotation axis rotation, water solution passes through the water pump from lower water tank and takes over to the upper water tank, water in the upper water tank passes through the well kenozooecium that the inlet tube flowed into the rotation axis, through-hole water solution and cloth contact, make the cloth be moist state, the cloth rotates along with the rotation axis, the cloth makes the hot-air of heat dissipation intracavity rotatory, and can cool off the heat dissipation through the hot-air of water solution in to the heat conduction shell, thereby can distribute away the heat from the fin more quickly, most hot-air is discharged from the blast pipe. Can increase the area of contact with the hot air of heat conduction shell through setting up the cloth to improved cooling radiating effect, and through cooperating with the aqueous solution, heat dissipation cooling efficiency is high, has increased the utility model discloses a reliability. Can increase the compactness of structure through setting up the dustcoat, the installation of being convenient for just can prevent that inside driver from damaging, has increased the utility model discloses a reliability. Drive the rotation axis through setting up magnetic means control turning block and rotate and can avoid heat conduction shell trompil and driver cooperation to can increase the structural strength and the leakproofness of heat conduction shell, avoid aqueous solution to reveal to the dustcoat in. Through setting up down the water tank can be convenient for recycle the water solution after using in the heat conduction intracavity, thereby increased the utility model discloses an environmental protection nature and reliability.

The utility model discloses further set up to, the fin is equipped with a plurality of, and relative casing direction of height horizontal interval sets up.

In the structure, can make the inside heat that receives of fin from the quick extremely outside that gives off of interval department between two adjacent fins to improve the radiating rate of fin, promoted the radiating effect of fin, increased the utility model discloses a reliability.

The utility model discloses further set up to, the radiator encircles the casing setting, and is located the below of casing top outer fringe.

By adopting the structure, the rainwater at the top of the shell can be conveniently collected, the water resource is saved, and the novel water-saving.

The utility model discloses further set up to, be equipped with the dust board on the radiator, the dust board cross-section is circular-arcly, and upwards extends the setting towards casing top outer fringe.

In the structure, can prevent through setting up the dust board that keeps off in can preventing that the dust from getting into the upper water tank, guarantee the cleanliness factor of the interior aqueous solution of upper water tank, and can prevent the jam of through-hole on the rotation axis, thereby increased the utility model discloses a reliability and stability.

The utility model discloses further set up to, be equipped with the filter between dust board and the casing top outer fringe.

In the structure, the dust that can prevent the casing top through setting up the filter gets into from between dust board and the casing top outer fringe, thereby increased the utility model discloses a reliability.

The utility model discloses further set up to, the outer fringe at casing top is the downward sloping setting outwards.

In the structure, work as the utility model discloses can produce vibrations during the start-up, consequently the rainwater at casing top flows to casing outer fringe department easily to can be convenient for collect the rainwater, the use of water economy resource, more environmental protection.

The utility model discloses further set up to, the cloth is equipped with a plurality of along rotation axis direction of height.

Adopt above-mentioned structure, can increase the refrigerated area of heat dissipation, improve cooling rate, improve the utility model discloses a work efficiency has increased the utility model discloses a reliability.

The utility model discloses further set up to, the blast pipe top is equipped with the cover that shelters from.

In the structure, can prevent through setting up the shield that dust and aqueous solution from getting into heat conduction chamber, thereby increased the utility model discloses a reliability.

The utility model discloses further set up to, the casing bottom is equipped with the gyro wheel, be equipped with damping device on the gyro wheel, damping device includes the fork that links to each other with the gyro wheel, be used for connecting the fixed plate of fork and casing, insert connecting axle and the cover of establishing on the fixed plate and establish the epaxial spring of connecting, the spring is supported between fixed plate and casing bottom, the connecting axle drives the relative casing bottom of fixed plate and can slides from top to bottom.

In the structure, the utility model discloses in the course of the work, because vibrations are too strong, can produce the noise of buzzing, near resident receives noise pollution very easily, through being provided with damping device, just can reduce vibrations to a certain extent to alleviate the volume, damping device is including fixed plate, connecting axle and spring, under the three mutually supports, can absorb, eliminate the vibrations energy, can avoid the spring too fast again to be compressed and bounce, can also be in the installation the utility model discloses the time, receive the elastic force to the protection casing does not receive the damage, has increased the utility model discloses a reliability.

The utility model discloses further set up to, the casing bottom is equipped with strutting arrangement, strutting arrangement includes the kicking block that links to each other with the casing, be articulated first articulated slab with the kicking block, be articulated sliding sleeve with first articulated slab, be articulated second articulated slab with the sliding sleeve and be articulated bottom block with the second articulated slab, the relative bottom block setting of kicking block, the bottom block bottom is fixed with the support frame, strutting arrangement is provided with two sets ofly relatively, it has rather than threaded connection's drive screw to run through on two sets of sliding sleeves, the one end in the relative casing outside of drive screw is fixed with the connecting block, insert on the connecting block and be equipped with the dwang.

In the structure, work as the utility model discloses when needing to fix, will the utility model discloses a gyro wheel removes to the mounted position on. The rotating rod is rotated to drive the driving screw to rotate, the two groups of sliding sleeves move in opposite directions, so that the two groups of first hinged plates and the two groups of second hinged plates are matched to swing to drive the bottom block and the supporting frame to move downwards, the supporting frame is abutted against the ground, the supporting point is changed into the supporting frame, the rotating rod is stopped rotating, and the utility model is fixed and prevented from sliding because of the roller; when the utility model discloses need remove when changing the position, drive screw through the antiport dwang and rotate, two sets of sliding sleeve antiport for first articulated slab and second articulated slab cooperation swing drive bottom block and support frame rebound, make the support frame separate from ground mutually, make the strong point change into the gyro wheel, the stall dwang. Can be convenient for remove through setting up strutting arrangement the utility model discloses install, increased the utility model discloses a reliability, convenience and stability have reduced manpower resources's waste.

The utility model has the advantages that: compare current distribution transformer, the utility model discloses the radiating effect is good, long service life, can be convenient for remove. Can increase the area of contact with the hot air of heat conduction shell through setting up the cloth to improved cooling radiating effect, and through cooperating with the aqueous solution, heat dissipation cooling efficiency is high, has increased the utility model discloses a reliability. Can be convenient for through setting up strutting arrangement the utility model discloses remove and fixed mounting, thereby increased the utility model discloses a convenience.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a structure at a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is an enlarged view of the structure at C in fig. 1.

Fig. 5 is a schematic structural view of the middle supporting device of the present invention.

Fig. 6 is a schematic structural view of the middle damping device of the present invention.

The reference numbers in the figures mean: 1-a shell; 2-a heat sink; 21-a thermally conductive shell; 211-an exhaust pipe; 2111-a shield cover; 212-an opening; 22-a heat dissipation cavity; 23-a heat sink; 231-a heat dissipation channel; 232-exhaust hole; 3-a rotating device; 31-a turning block; 32-a rotation axis; 321-cloth strips; 322-a through hole; 33-an outer cover; 34-a driver; 35-a drive shaft; 36-a magnetic device; 37-a power supply device; 4-a water supply device; 41-a lower water tank; 42-a water feeding tank; 421-dust board; 422-a filter plate; 43-a water inlet pipe; 44-a water pump; 5-a roller; 6-a damping device; 61-wheel fork; 62-fixing plate; 63-a connecting shaft; 64-a spring; 7-a support device; 71-a top block; 72-a first hinge plate; 73-a sliding sleeve; 74-a second hinge plate; 75-bottom block; 76-drive screw; 77-connecting block; 78-rotating rods; 8-a support frame.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 6, a spray-type heat dissipation distribution transformer comprises a housing 1, a heat dissipation device 2, a rotation device 3 and a water supply device 4, wherein the heat dissipation device 2 comprises a heat conduction shell 21 disposed in the housing 1, a heat dissipation cavity 22 disposed in the heat conduction shell 21 and a heat dissipation fin 23 disposed on a side wall of the heat conduction shell 21, the heat dissipation fin 23 protrudes from the outer side of the housing 1, a heat dissipation channel 231 communicated with the heat dissipation cavity 22 is disposed in the heat dissipation fin 23, the rotation device 3 comprises a rotation block 31 disposed in the heat dissipation cavity 22, a hollow rotation shaft 32 inserted in the rotation block 31, an outer cover 33 disposed at the bottom of the housing 1 and having an opening 212 at the top, a driver 34 disposed in the outer cover 33, a driving shaft 35 connected to the driver 34, and a magnetic device 36 disposed on the driving shaft 35 and used for driving the rotation of the rotation block 31, two ends of the rotation shaft 32 are connected to two opposite side walls of the, be equipped with cloth 321 on the outer circumferential wall of rotation axis 32, the junction with cloth 321 on the outer circumferential wall is equipped with the through-hole 322 that is linked together with the hollow portion of rotation axis 32, be equipped with power supply unit 37 that is connected with driver 34 electricity in the dustcoat 33, water supply unit 4 is including being located the lower water tank 41 of heat conduction shell 21 bottom, the last water tank 42 that passes through the pipeline with lower water tank 41 and being used for communicateing the inlet tube 43 of going up water tank 42 and the hollow portion of rotation axis 32, be equipped with water pump 44 on the pipeline, heat conduction shell 21 top is equipped with the blast pipe 232211 that is linked together with the heat conduction shell 21 outside, heat conduction shell 21 bottom is equipped with the opening 212 that is.

In the above structure, a part of the heat generated inside the casing 1 is conducted to the heat dissipation chamber 22 through the heat conductive shell 21, and a part of the heat is conducted to the heat dissipation fins 23 and dissipated to the outside of the casing 1 through the heat dissipation fins 23. The power supply device 37 is powered on, so that the driver 34 controls the driving shaft 35 to drive the magnetic device 36 to rotate, the attraction of the magnetic device 36 pulls the rotating block 31 to drive the rotating shaft 32 to rotate, the water solution is pumped from the lower water tank 41 to the upper water tank 42 through the water pump 44, the water in the upper water tank 42 flows into the hollow part of the rotating shaft 32 through the water inlet pipe 43, the water solution is in contact with the cloth strips 321 through the through holes 322, so that the cloth strips 321 are in a wet state, the cloth strips 321 rotate along with the rotating shaft 32, the cloth strips 321 enable the hot air in the heat dissipation cavity 22 to rotate, and the hot air in the heat conduction shell 21 can be cooled and dissipated through the water solution, so that the heat can be dissipated from the heat dissipation fins 23 more quickly, and most. Can increase the area of contact with the hot air in the heat conduction shell 21 through setting up cloth 321 to improved cooling radiating effect, and through cooperating with the aqueous solution, the heat dissipation cooling efficiency is high, has increased the utility model discloses a reliability. Can increase the compactness of structure through setting up dustcoat 33, be convenient for the installation and can prevent that inside driver 34 from damaging, increased the utility model discloses a reliability. The rotating block 31 is controlled by the magnetic device 36 to drive the rotating shaft 32 to rotate, so that the hole of the heat conduction shell 21 can be prevented from being matched with the driver 34, the structural strength and the sealing performance of the heat conduction shell 21 can be improved, and the aqueous solution is prevented from leaking into the outer cover 33. Through setting up down water tank 41 can be convenient for recycle the water solution after using in the heat conduction cavity, thereby increased the utility model discloses an environmental protection nature and reliability. Can set up the level detection meter in the lower water tank 41, lower water tank 41 links to each other with municipal piping shaft through the connecting pipe and supplies water, sets up suction pump, solenoid valve and check valve on the connecting pipe, when the aqueous solution in lower water tank 41 supports in the setting value, the level detection meter signals, the drive solenoid valve starts, in the aqueous solution passes through the suction pump suction lower water tank, when the aqueous solution reachs the default, the solenoid valve is closed, can prevent the water backward flow in lower water tank 41 through setting up the check valve, thereby increased the utility model discloses a reliability and convenience.

In this embodiment, the plurality of heat dissipation fins 23 are horizontally spaced from each other in the height direction of the housing 1.

In the structure, can make the inside heat that receives of fin 23 follow the quick extremely outside of giving off of interval department between two adjacent fins 23 to improved fin 23's radiating rate, promoted the radiating effect of fin 23, increased the utility model discloses a reliability.

In this embodiment, the upper water tank 42 is disposed around the housing 1 and below the outer edge of the top of the housing 1.

By adopting the structure, the rainwater at the top of the shell 1 can be conveniently collected, the water resource is saved, and the novel water-saving.

In this embodiment, the upper water tank 42 is provided with a dust guard 421, and the cross section of the dust guard 421 is arc-shaped and extends upward toward the outer edge of the top of the housing 1.

In the structure, can prevent through setting up dust board 421 that the dust from getting into in the upper water tank 42, guarantee the cleanliness factor of the interior aqueous solution of upper water tank 42, and can prevent the jam of through-hole 322 on rotation axis 32, thereby increased the utility model discloses a reliability and stability.

In this embodiment, a filter plate 421 is disposed between the dust-blocking plate 421 and the outer edge of the top of the casing 1.

In the structure, the dust that can prevent the 1 top of casing through setting up filter 421 gets into from keeping off dust board 421 and casing 1 top outer fringe between, thereby increased the utility model discloses a reliability.

In this embodiment, the outer edge of the top of the housing 1 is inclined outward and downward.

In the structure, work as the utility model discloses can produce vibrations during the start-up, consequently the rainwater at 1 top of casing flows to 1 outer fringe department of casing easily to can be convenient for collect the rainwater, the use of water economy resource, more environmental protection.

In this embodiment, the cloth strips 321 are provided with a plurality of strips along the height direction of the rotating shaft 32.

Adopt above-mentioned structure, can increase the refrigerated area of heat dissipation, improve cooling rate, improve the utility model discloses a work efficiency has increased the utility model discloses a reliability.

In this embodiment, a shielding cover 2111 is disposed at the top end of the exhaust pipe 232211.

In the structure, the shielding cover 2111 can prevent dust and water solution from entering the heat conducting cavity, thereby increasing the reliability of the utility model.

In this embodiment, the bottom of the housing 1 is provided with the roller 5, the roller 5 is provided with the damping device 6, the damping device 6 includes a fork 61 connected to the roller 5, a fixing plate 62 for connecting the fork 61 and the housing 1, a connecting shaft 63 inserted in the fixing plate 62, and a spring 64 sleeved on the connecting shaft 63, the spring 64 is supported between the fixing plate 62 and the bottom of the housing 1, and the connecting shaft 63 drives the fixing plate 62 to slide up and down relative to the bottom of the housing 1.

In the structure, the utility model discloses in the course of the work, because vibrations are too strong, can produce the noise of buzzing, nearby resident receives noise pollution very easily, through being provided with damping device 6, just can reduce vibrations to a certain extent, thereby alleviate the volume, damping device 6 is including fixed plate 62, connecting axle 63 and spring 64, under the three mutually supports, can absorb, eliminate the vibrations energy, can avoid spring 64 too fast again to be compressed and bounce, can also be in the installation the utility model discloses time, receive the elastic force to protection casing 1 does not receive the damage, has increased the utility model discloses a reliability.

In this embodiment, the bottom of the casing 1 is provided with the supporting device 7, the supporting device 7 includes a top block 71 connected with the casing 1, a first hinged plate 72 hinged to the top block 71, a sliding sleeve 73 hinged to the first hinged plate 72, a second hinged plate 74 hinged to the sliding sleeve 73, and a bottom block 75 hinged to the second hinged plate 74, the top block 71 is provided with a supporting frame 8 at the bottom of the bottom block 75, the supporting device 7 is provided with two sets of supporting devices, a driving screw 76 connected with the two sets of sliding sleeves 73 in a threaded manner penetrates through the two sets of sliding sleeves 73, a connecting block 77 is fixed at one end of the driving screw 76 opposite to the outside of the casing 1, and a rotating rod 78 is inserted into the connecting block 77.

In the structure, work as the utility model discloses when needing to fix, will the utility model discloses a gyro wheel 5 removes to the mounted position on. The rotating rod 78 is rotated to drive the driving screw 76 to rotate, and the two sets of sliding sleeves 73 move in opposite directions, so that the two sets of first hinged plates 72 and the two sets of second hinged plates 74 are matched to swing to drive the bottom block 75 and the support frame 8 to move downwards, the support frame 8 is abutted against the ground, the support point is changed into the support frame 8, the rotating rod 78 is stopped rotating, and the utility model is fixed to prevent the sliding of the roller 5; when the utility model discloses when needing to remove and changing the position, drive screw 76 through the antiport dwang 78 and rotate, two sets of sliding sleeve 73 antiport for first articulated slab 72 and second articulated slab 74 cooperation swing drive bottom block 75 and support frame 8 rebound, make support frame 8 and ground leave mutually, make the strong point change into gyro wheel 5, stall dwang 78. Can be convenient for remove through setting up strutting arrangement 7 the utility model discloses install, increased the utility model discloses a reliability, convenience and stability have reduced manpower resources's waste. The screw thread that adopts different handedness with the cooperation of two sets of sliding sleeves 73 on the drive screw 76 to can satisfy the different moving direction's of two sets of sliding sleeves 73 demand, increased the utility model discloses a reliability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a fountain heat dissipation distribution transformer, includes the casing, its characterized in that: the heat dissipation device comprises a heat conduction shell arranged in the shell, a heat dissipation cavity arranged in the heat conduction shell and heat dissipation fins arranged on the side wall of the heat conduction shell, wherein the heat dissipation fins are arranged to protrude out of the shell, heat dissipation channels communicated with the heat dissipation cavity are arranged in the heat dissipation fins, the rotating device comprises a rotating block arranged in the heat dissipation cavity, a hollow rotating shaft inserted on the rotating block, an outer cover arranged at the bottom of the shell and provided with an opening at the top, a driver arranged in the outer cover, a driving shaft connected with the driver and a magnetic device sleeved on the driving shaft and used for driving the rotating block to rotate, two ends of the rotating shaft are connected to two opposite side walls of the heat conduction shell through bearings, cloth strips are arranged on the outer circumferential wall of the rotating shaft, and through holes communicated with the hollow part of the rotating shaft are arranged at the joints of the outer circumferential wall and, the water supply device comprises a lower water tank positioned at the bottom of the heat conduction shell, an upper water tank connected with the lower water tank through a pipeline and a water inlet pipe used for communicating the upper water tank with the hollow part of the rotating shaft, a water pump is arranged on the pipeline, an exhaust pipe communicated with the outside of the heat conduction shell is arranged at the top of the heat conduction shell, and an opening communicated with the lower water tank is arranged at the bottom of the heat conduction shell.

2. The spray cooled distribution transformer of claim 1, wherein: the radiating fins are provided with a plurality of radiating fins and are horizontally arranged at intervals relative to the height direction of the shell.

3. The spray cooled distribution transformer of claim 1, wherein: the upper water tank is arranged around the shell and is positioned below the outer edge of the top of the shell.

4. The spray cooled distribution transformer of claim 3, wherein: the upper water tank is provided with a dust baffle plate, the cross section of the dust baffle plate is arc-shaped and extends upwards towards the outer edge of the top of the shell.

5. The spray cooled distribution transformer of claim 4, wherein: and a filter plate is arranged between the dust baffle and the outer edge of the top of the shell.

6. The spray cooled distribution transformer of claim 5, wherein: the outer edge of the top of the shell is outwards and downwards inclined.

7. The spray cooled distribution transformer of claim 1, wherein: the cloth strips are provided with a plurality of strips along the height direction of the rotating shaft.

8. The spray cooled distribution transformer of claim 1, wherein: the top end of the exhaust pipe is provided with a shielding cover.

9. The spray cooled distribution transformer of claim 1, wherein: the bottom of the shell is provided with a roller, the roller is provided with a damping device, the damping device comprises a wheel fork connected with the roller, a fixing plate used for connecting the wheel fork and the shell, a connecting shaft inserted on the fixing plate and a spring sleeved on the connecting shaft, the spring is supported between the fixing plate and the bottom of the shell, and the connecting shaft drives the fixing plate to slide up and down relative to the bottom of the shell.

10. The spray cooled distribution transformer of claim 9, wherein: the casing bottom is equipped with strutting arrangement, strutting arrangement includes the kicking block that links to each other with the casing, is first articulated slab of articulated, is articulated sliding sleeve with first articulated slab, is articulated second articulated slab with the sliding sleeve and is articulated end block with the second articulated slab, the relative end block setting of kicking block, end block bottom is fixed with the support frame, strutting arrangement is provided with two sets ofly relatively, it has rather than threaded connection's drive screw to run through on two sets of sliding sleeves, the one end in the relative casing outside of drive screw is fixed with the connecting block, insert on the connecting block and be equipped with the dwang.

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