CN113339629A - Heat-preservation shockproof screw vacuum pump - Google Patents
Heat-preservation shockproof screw vacuum pump Download PDFInfo
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- CN113339629A CN113339629A CN202110584537.7A CN202110584537A CN113339629A CN 113339629 A CN113339629 A CN 113339629A CN 202110584537 A CN202110584537 A CN 202110584537A CN 113339629 A CN113339629 A CN 113339629A
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- bevel gear
- rod
- plate
- base
- vacuum pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The application relates to a heat-preservation shockproof screw vacuum pump which comprises a base, wherein a pump body is supported on the ground by the base, a containing groove is formed in the base, a partition plate is arranged in the containing groove, a plurality of rotating rods are connected to the partition plate in a threaded manner, a first plate is connected to the rotating rods in a threaded manner, a plurality of telescopic columns with changeable lengths are arranged on the top surface of the first plate, the top ends of the telescopic columns are arranged on the bottom surface of a movable plate, and first springs are sleeved on the telescopic columns; the top surface of the movable plate is provided with a mandril which extends upwards to extend out of the base and is arranged on the bottom surface of the placing plate, and the driving part drives the plurality of rotating rods to rotate simultaneously. Use a driving piece drive dwang to rotate to this changes the distance between movable plate and the first board, thereby changes the elasticity that first spring was applyed to the movable plate, changes and places the seat to the pressure of movable plate, can make operating personnel adjust the shock attenuation range of base, thereby formulate suitable shock attenuation range according to the pump body of different weight.
Description
Technical Field
The application relates to the field of vacuum pumps, in particular to a heat-preservation shockproof screw vacuum pump.
Background
The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods.
Utility model patent with publication number CN2744866Y discloses a vacuum pump. The pump comprises a base, a motor, a pump body, an air suction and exhaust disc, an end cover, a connecting frame, a bearing support, a bearing, a pump shaft, a mechanical seal and an impeller, wherein an anticorrosive layer is lined on the inner surface of the pump body, the inner surface of the end cover, the outer surfaces of the air suction and exhaust disc, the pump shaft and the impeller.
The above-mentioned related technical solutions have the following drawbacks: the vacuum pump is at the in-process of operation, and the pump body can take place vibrations, and pump body vibrations can lead to the vacuum pump to send great noise at the in-process of operation, can increase the wearing and tearing between the internal part of pump simultaneously to reduce the life of the pump body.
Disclosure of Invention
In order to reduce the influence that the vibrations of the vacuum pump body brought the vacuum pump, this application provides a screw vacuum pump takes precautions against earthquakes keeps warm.
The application provides a screw vacuum pump that takes precautions against earthquakes keeps warm adopts following technical scheme:
a heat-preservation shockproof screw vacuum pump comprises a pump body and a base, wherein the pump body is supported on the ground by the base, the heat-preservation shockproof screw vacuum pump further comprises a first driving piece, a moving plate and a placing plate, an accommodating groove is formed in the base, a partition plate is arranged in the accommodating groove, and the base is divided into an upper groove and a lower groove by the partition plate;
the partition plate is in threaded connection with a plurality of rotating rods, the rotating rods are in threaded connection with a first plate, the first plate is located in the upper groove, the top surface of the first plate is provided with a plurality of telescopic columns with changeable lengths, the top ends of the telescopic columns are arranged on the bottom surface of the movable plate, the telescopic columns are sleeved with first springs, and two ends of each first spring are respectively abutted against the first plate and the movable plate;
the movable plate top surface is equipped with the ejector pin, the ejector pin upwards extends to and stretches out the base and sets up on placing the board bottom surface, the pump body is placed on placing the board top surface, a plurality of dwangs of driving piece drive rotate simultaneously.
Through adopting above-mentioned technical scheme, use a driving piece drive dwang to rotate, the dwang rotates and drives the first board of threaded connection on the dwang and goes up and down in the base to this changes the distance between movable plate and the first board, thereby changes the elasticity that first spring was applyed the movable plate, changes and places the seat to the pressure of ejector pin and movable plate, can make operating personnel adjust the shock attenuation range of base, thereby formulate suitable shock attenuation range according to the pump body of different weight.
Preferably, the movable plate is provided with a plurality of second springs, and two ends of each second spring are respectively arranged on the movable plate and the inner wall of the movable plate opposite to the upper groove.
Through adopting above-mentioned technical scheme, at the in-process of pump body operation, the pump body can produce omnidirectional vibrations, and the second spring can increase the shock attenuation range of movable plate on the horizontal direction.
Preferably, driving piece one includes motor, hold-in range and two first synchronizing wheels, and two first synchronizing wheels are located the both sides of a plurality of dwang, and two first synchronizing wheels are located same straight line with a plurality of dwang, the coaxial second synchronizing wheel that is equipped with on the dwang, the hold-in range is around rolling up on two first synchronizing wheels and on a plurality of second synchronizing wheels, the hold-in range is located the inslot down, the motor sets up on the base, the coaxial setting of output shaft of motor is on one of them first synchronizing wheel.
Through adopting above-mentioned technical scheme, output shaft through driving motor rotates, and the motor rotates and drives first synchronizing wheel and rotate, and first synchronizing wheel drives the hold-in range and rotates, and the hold-in range rotates and drives a plurality of second synchronizing wheels and rotate, and the second synchronizing wheel drives a plurality of dwang and rotates, drives the first board and goes up and down this moment.
Preferably, still include driving piece two, two first synchronizing wheel are located the both sides of base respectively, the inslot is equipped with the horizontal pole down, the length direction of horizontal pole is on a parallel with the length direction of hold-in range, wear to establish and sliding connection has the balancing weight on the horizontal pole, sliding connection has the inserted bar on the balancing weight, the length direction along the hold-in range is equipped with a plurality of drive pieces on the lateral wall of hold-in range, be equipped with the slot that matches with the inserted bar on the drive piece bottom surface, two drive inserted bars of driving piece insert in the slot.
Through adopting above-mentioned technical scheme, because drive the piece and follow the hold-in range and remove, insert the slot through using two drive inserted bars of driving piece, make and drive the piece and drive the inserted bar and remove to drive the balancing weight and remove, with the position control who realizes the balancing weight, thereby adjust the focus of base, increase the stability of base, reduce the vibration amplitude of base.
Preferably, the driving piece two includes first bevel gear, second bevel gear, bull stick and montant, be equipped with the fixed block on the balancing weight, the one end of fixed block is connected on the piece of mating with the earth, the other end of fixed block sets up towards the hold-in range, first bevel gear all rotates with second bevel gear to be connected on the fixed block, first bevel gear is connected with second bevel gear meshing, the coaxial setting of montant is on first bevel gear, inserted bar threaded connection is on the montant top, inserted bar sliding connection is on the fixed block, the coaxial setting of bull stick is on second bevel gear, the bull stick rotates to be connected on the fixed block, the fixed block is stretched out to the one end of bull stick.
Through adopting above-mentioned technical scheme, stretch out the one end of fixed block through rotating the bull stick, the bull stick rotates and drives second bevel gear and rotate, and second bevel gear rotates and drives the first bevel gear who is connected with second bevel gear meshing and rotate, and first bevel gear rotates and drives the montant and rotate, and the montant rotates and drives the inserted bar of threaded connection on the montant and slide on the fixed block.
Preferably, still include third bevel gear, fourth bevel gear, first pole and butt joint pole, third bevel gear rotates with fourth bevel gear to be connected on the fixed block, third bevel gear is connected with the meshing of fourth bevel gear, third bevel gear is located first bevel gear's below, montant downwardly extending to with third bevel gear coaxial coupling, the coaxial setting of first pole is on fourth bevel gear, first pole rotates to be connected on the fixed block, butt joint pole threaded connection is in the one end of first pole towards the horizontal pole, be equipped with the butt joint piece on the one side of butt pole towards the horizontal pole, butt joint piece sliding connection is on the balancing weight, when the inserted bar removes when keeping away from the slot, butt joint piece butt is on the horizontal pole.
By adopting the technical scheme, the rotating rod extends out of one end of the fixed block, the rotating rod rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear in meshed connection with the second bevel gear to rotate, the first bevel gear rotates to drive the vertical rod to rotate, the vertical rod drives the third bevel gear to rotate, the third bevel gear rotates to drive the fourth bevel gear in meshed connection with the third bevel gear to rotate, the fourth bevel gear rotates to drive the first rod to rotate, and the first rod rotates to drive the abutting rod in threaded connection with the first rod to slide; when the inserted bar moves to a position far away from the slot, the abutting block abuts against the cross rod to enable the abutting block and the cross rod to be fixed through friction, and therefore the balancing weight is indirectly fixed on the cross rod.
Preferably, an abutting surface matched with the cross rod is arranged on one side surface of the abutting block facing the cross rod.
Through adopting above-mentioned technical scheme, because the butt face can with the better laminating of horizontal pole outer wall, can increase the frictional force between butt piece and the horizontal pole, make fixed more stable between butt piece and the horizontal pole.
Preferably, a tensioning wheel is rotatably connected to the partition plate, the tensioning wheel abuts against a side face, away from the tooth portion, of the synchronous belt, and the tensioning wheel is located between two adjacent rotating rods.
Through adopting above-mentioned technical scheme, the take-up pulley can increase the area of the contact of second synchronizing wheel on hold-in range and two of them dwang, can reduce the probability that the hold-in range breaks away from the second synchronizing wheel.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the second spring, the pump body can generate omnibearing vibration in the running process of the pump body, and the second spring can increase the vibration absorption amplitude of the moving plate in the horizontal direction;
2. by arranging the tension wheel, the tension wheel can increase the contact area of the synchronous belt and the second synchronous wheels on two of the rotating rods, and the probability that the synchronous belt is separated from the second synchronous wheels can be reduced;
3. through set up the butt face on the butt pole, because the butt face can with the better laminating of horizontal pole outer wall, can increase the frictional force between butt piece and the horizontal pole, make fixed more stable between butt piece and the horizontal pole.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of a base according to an embodiment of the present application.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
FIG. 4 is a schematic view of the connection between the abutting rod and the driving block according to the embodiment of the present application.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Fig. 6 is a schematic view of the connection between the spacer, the rotating lever and the timing belt.
Description of reference numerals: 1. a base; 11. accommodating grooves; 111. an upper groove; 112. a lower groove; 1121. a strip-shaped groove; 12. a partition plate; 13. rotating the rod; 131. a first plate; 132. a telescopic column; 133. a first spring; 134. a second synchronizing wheel; 135. a second spring; 14. moving the plate; 141. a top rod; 1411. a limiting ring; 15. placing the plate; 151. a shielding plate; 16. a synchronous belt; 161. a first synchronizing wheel; 162. driving the block; 163. a slot; 164. opening the sheet; 17. a balancing weight; 171. a cross bar; 18. a fixed block; 181. inserting a rod; 1811. a guide surface; 182. a vertical rod; 183. a first bevel gear; 184. a second bevel gear; 1841. a rotating rod; 1842. a handle is rotated; 185. a third bevel gear; 186. a fourth bevel gear; 187. a first lever; 1871. a first groove; 188. a butting rod; 189. a butting block; 19. a motor; 191. a tension wheel; 1911. a first wheel; 1912. a second wheel; 192. an extension plate; 2. and a pump body.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a heat-preservation shockproof screw vacuum pump.
Referring to fig. 1 and 2, the heat-insulating and shock-proof screw vacuum pump of the present embodiment includes a pump body 2 and a base 1. Holding tank 11 has been seted up in the base 1, and holding tank 11's length direction is on a parallel with base 1's length direction, fixedly connected with baffle 12 on the holding tank 11 inner wall, and baffle 12 is the level setting, and baffle 12 is last groove 111 and lower groove 112 that holding tank 11 communicates with each other respectively. Two dwang 13 of threaded connection on baffle 12, dwang 13 are vertical orientation and set up, and the both ends of dwang 13 stretch to supreme groove 111 and lower groove 112 respectively, and two dwang 13 are close to baffle 12 length direction's both ends setting respectively. The first board 131 of fixedly connected with on the dwang 13 top surface, first board 131 are the level setting, and the vertical flexible post 132 that can change length that is provided with on the first board 131 top surface is connected with movable plate 14 on the flexible post 132, and the equal fixed connection of top surface of eight flexible posts 132 is on the bottom surface of a movable plate 14, and movable plate 14 is the level setting. The telescopic column 132 is sleeved with a first spring 133, two ends of the first spring 133 are respectively and fixedly connected to the bottom surface of the moving plate 14 and the top surface of the first plate 131, the first spring 133 is in a compressed state, and the length of the telescopic column 132 is always equal to the distance between the moving plate 14 and the first plate 131.
Referring to fig. 2 and 3, four top rods 141 are vertically fixed on the top surface of the moving plate 14, the four top rods 141 are disposed near four corners of the moving plate 14, the four top rods 141 extend upwards out of the top surface of the base 1 and are fixedly connected with a placing plate 15, two limiting rings 1411 are sleeved on the top rods 141, the two limiting rings 1411 are respectively located above the base 1 and in the upper groove 111, and the two limiting rings 1411 are respectively abutted to the base 1. The top surfaces of the four push rods 141 are positioned at four corners of the top surface of the same placing plate 15, the placing plate 15 is horizontally arranged, and the placing plate 15 is positioned right above the base 1 and the length direction of the placing plate 15 is parallel to the length direction of the base 1. The two ends of the top surface of the placing plate 15 in the width direction are fixedly connected with shielding plates 151 respectively, and the length of the shielding plates 151 is parallel to the length of the placing plate 15. Referring to fig. 1, the pump body 2 is placed on the top surface of the placing plate 15, when the pump body 2 is placed on the top surface of the placing plate 15, the length direction of the pump body 2 is parallel to the length direction of the placing plate 15, the two shielding plates 151 are respectively located on two sides of the width direction of the pump body 2, the length of the pump body 2 is greater than the length of the placing plate 15, and one end of the length direction of the pump body 2 extends out of the placing plate 15.
Referring to fig. 2 and 3, the moving plate 14 is connected to two second springs 135, the two second springs 135 are respectively located at two sides of the moving plate 14 in the length direction, two ends of the second springs 135 are respectively and fixedly connected to the moving plate 14 and the inner wall of the upper groove 111, and the length direction of the second springs 135 is parallel to the length direction of the moving plate 14.
Referring to fig. 2 and 3, a first driving member is connected to the base 1, and the first driving member is used for driving the two rotating rods 13 to rotate. The first driving part comprises a motor 19, a synchronous belt 16, two first synchronizing wheels 161 and two second synchronizing wheels 134, the two second synchronizing wheels 134 correspond to the two rotating rods 13 one by one, the two second synchronizing wheels 134 are fixedly connected to the bottom ends of the corresponding rotating rods 13 in a coaxial mode, the two first synchronizing wheels 161 are respectively connected to the bottom surface of the partition plate 12 in a rotating mode, the two first synchronizing wheels 161 are respectively located on two sides of the two second synchronizing wheels 134, and the two first synchronizing wheels 161 are arranged close to two ends of the base 1 in the length direction. The two second synchronizing wheels 134 are located on the same horizontal line with the two first synchronizing wheels 161, the length direction of the horizontal line is parallel to the length direction of the partition 12, and the timing belt 16 is wound around the two first synchronizing wheels 161 and the two second synchronizing wheels 134.
Referring to fig. 2 and 3, the motor 19 is fixedly connected to an inner wall of one side of the lower groove 112 in the length direction, and an output shaft of the motor 19 is vertically arranged upward and coaxially and fixedly connected to one of the first synchronizing wheels 161.
The output shaft through driving motor 19 rotates, and motor 19 rotates and drives first synchronizing wheel 161 and rotate, and first synchronizing wheel 161 drives hold-in range 16 and rotates, and hold-in range 16 rotates and drives two second synchronizing wheels 134 and rotate, and second synchronizing wheel 134 drives and corresponds dwang 13 and rotate, and dwang 13 rotates and drives first board 131 and remove in vertical direction to change the high position of first board 131. By changing the distance between the first plate 131 and the moving plate 14, the elastic force applied to the moving plate 14 by the first spring 133 is changed, and the pressure of the placing seat on the ejector rod 141 and the moving plate 14 is changed, so that the operator can adjust the damping amplitude of the base 1, and the appropriate damping amplitude is set according to the pump bodies 2 with different weights. While the second spring 135 can reduce the amplitude of the vibration of the moving plate 14 in the horizontal direction.
Referring to fig. 3 and 4, a cross bar 171 is connected to the lower groove 112, two ends of the cross bar 171 are respectively fixedly connected to two side walls of the lower groove 112 in the length direction, the length direction of the cross bar 171 is parallel to the length direction of the base 1, and the cross bar 171 is located at the center of the base 1 in the width direction. The cross rod 171 is provided with a counterweight block 17 in a penetrating manner and connected with the cross rod 171 in a sliding manner along the length direction, the counterweight block 17 is fixedly connected with a fixing block 18, and the fixing block 18 is arranged in an L shape. The length direction of the balancing weight 17 is parallel to the length direction of the cross rod 171, one end of the fixing block 18 is vertically and fixedly connected to the side wall of one side of the balancing weight 17 in the width direction, and the other end of the fixing block 18 is vertically arranged upwards.
Referring to fig. 4 and 5, the top end of the fixing block 18 is slidably connected with an inserting rod 181 along the vertical direction, the outer wall of the synchronous belt 16 far away from the tooth portion is uniformly and fixedly connected with a plurality of driving blocks 162 along the length direction of the synchronous belt 16, and the bottom surfaces of the driving blocks 162 are provided with slots 163 matched with the inserting rod 181. Along with the rotation of hold-in range 16, every drives piece 162 homoenergetic and rotates to being located the inserted bar 181 directly over, and inserted bar 181 is just setting up slot 163 this moment, is connected with driving piece two on the fixed block 18, and driving piece two drives inserted bar 181 and inserts slot 163.
Referring to fig. 4 and 5, the second driving member includes a first bevel gear 183, a second bevel gear 184, a rotating rod 1841 and a vertical rod 182, the first bevel gear 183 and the second bevel gear 184 are both rotatably connected to the fixed block 18, and the first bevel gear 183 is coaxially disposed with the inserting rod 181. The vertical rod 182 is coaxially and fixedly connected to the first bevel gear 183, and the top rod 141 is in threaded connection with the top end of the vertical rod 182. Referring to fig. 1 and 6, one end of the rotating rod 1841 is coaxially and fixedly connected to the second bevel gear 184, and the other end of the rotating rod 1841 extends to extend out of the base 1 towards the side far away from the counterweight 17. A strip groove 1121 for sliding the rotating rod 1841 is formed in a side wall of the base 1, a length direction of the strip groove 1121 is parallel to a length direction of the base 1, the rotating rod 1841 is slidably connected to the strip groove 1121 along the length direction of the strip groove 1121, and one end of the rotating rod 1841, which is far away from the fixed block 18, extends out of the strip groove 1121 and is fixedly connected with a rotating handle 1842 for applying force by a hand.
Referring to fig. 2 and 4, the driving block 162 is located at the center of the width direction of the synchronous belt 16, in order to enable the insertion rod 181 to be more conveniently inserted into the slot 163, two expanding pieces 164 are fixedly connected to the bottom end of the driving block 162, the two expanding pieces 164 are respectively located at two sides of the driving block 162, and the distance between the two expanding pieces 164 is gradually increased from the side close to the driving block 162 to the side far from the driving block 162. The top surface of the inserted link 181 is provided with a guide surface 1811, and the cross-sectional area of one end of the inserted link 181 located on the guide surface 1811 from top to bottom is gradually reduced.
Referring to fig. 4 and 5, the bottom end of the vertical rod 182 extends downward to be close to the cross rod 171, the bottom end of the vertical rod 182 is coaxially and fixedly connected with a third bevel gear 185, the third bevel gear 185 is rotatably connected to the fixed block 18, a fourth bevel gear 186 meshed with the third bevel gear 185 is further rotatably connected to the fixed block 18, the fourth bevel gear 186 is located on one side of the vertical rod 182 facing the cross rod 171, the fourth bevel gear 186 is arranged opposite to the cross rod 171, the axial direction of the fourth bevel gear 186 is perpendicular to the axial direction of the cross rod 171, and the axial line of the fourth bevel gear 186 and the axial line of the cross rod 171 are located on the same horizontal plane.
Referring to fig. 4 and 5, a first rod 187 is coaxially and fixedly connected to the fourth bevel gear 186, a longitudinal direction of the first rod 187 is parallel to an axial direction of the fourth bevel gear 186, one end of the first rod 187 is fixed to the fourth bevel gear 186, and the other end of the first rod 187 extends to be disposed near the cross bar 171. First pole 187 rotates to be connected on fixed block 18 and on balancing weight 17, first groove 1871 has been seted up to one side of first pole 187 towards horizontal pole 171, the length direction of first groove 1871 is on a parallel with the length direction of first pole 187, threaded connection has butt pole 188 on the first groove 1871, butt pole 188 is towards the one end fixedly connected with butt piece 189 of horizontal pole 171, butt piece 189 is along the length direction sliding connection of first pole 187 on balancing weight 17, the butt face that matches with horizontal pole 171 has been seted up on one side of butt piece 189 towards horizontal pole 171, the butt face coats and is stamped the non slipping spur. When the insert rod 181 moves away from the slot 163, the abutment block 189 moves to abut against the crossbar 171; when the insert rod 181 is moved to the insert slot 163, the abutment block 189 is moved to be disposed away from the cross bar 171.
The rotating handle 1842 is rotated to drive the rotating rod 1841 to rotate, the rotating rod 1841 rotates to drive the second bevel gear 184 to rotate, the second bevel gear 184 rotates to drive the first bevel gear 183 meshed with the second bevel gear 184 to rotate, the first bevel gear 183 rotates to drive the vertical rod 182 to rotate, and the vertical rod 182 rotates to drive the inserted link 181 in threaded connection with the vertical rod 182 to slide on the fixed block 18.
Meanwhile, the rotating rod 1841 rotates to drive the third bevel gear 185 to rotate, the third bevel gear 185 rotates to drive the fourth bevel gear 186 meshed with the third bevel gear 185 to rotate, the fourth bevel gear 186 rotates to drive the first rod 187 to rotate, and the first rod 187 rotates to drive the abutting rod 188 screwed on the first rod 187 to slide along the length direction parallel to the first rod 187.
When the insert rod 181 moves upward to the insert slot 163, the abutment rod 188 moves toward the side away from the cross bar 171 to the position where the abutment block 189 is away from the cross bar 171, and the weight 17 can slide on the cross bar 171 following the timing belt 16. When the insert rod 181 moves downward to be away from the slot 163, the abutment rod 188 moves toward the crossbar 171 side until the abutment block 189 abuts on the crossbar 171, and the abutment block 189 abuts on the crossbar 171 to fix the abutment block 189 and the crossbar 171 by friction, so that the weight 17 is indirectly fixed to the crossbar 171.
Referring to fig. 2 and 6, the lower groove 112 is rotatably connected with a tension wheel 191, the tension wheel 191 includes a first wheel 1911 and a second wheel 1912, the first wheel 1911 is rotatably connected to the bottom surface of the partition 12, the extension board 192 is horizontally fixed to the sidewall of the lower groove 112, and the second wheel 1912 is rotatably connected to the top surface of the extension board 192. The first wheel 1911 and the second wheel 1912 are coaxially disposed, the second wheel 1912 is located right below the first wheel 1911, and the first wheel 1911 and the second wheel 1912 are respectively located at the upper side and the lower side of the driving block 162 and do not affect the driving block 162. The first wheel 1911 and the second wheel 1912 are located between the two second synchronous wheels 134, and the first wheel 1911 and the second wheel 1912 are always abutted on the outer wall of the synchronous belt 16 facing the driving block 162, so as to tension the synchronous belt 16.
The implementation principle of the heat-preservation shockproof screw vacuum pump in the embodiment of the application is as follows: the position of placing on placing board 15 that operating personnel passes through the pump body 2, driving motor 19's output shaft rotates, make hold-in range 16 rotate slowly, then operating personnel is through rotating change handle 1842, make inserted bar 181 rebound to insert slot 163, then make the drive piece 162 on the hold-in range 16 drive balancing weight 17 and remove along base 1's length direction, operating personnel observes balancing weight 17's shift position through observing the change handle 1842 that stretches out base 1, make balancing weight 17 remove to suitable position, rotate change handle 1842 again, make inserted bar 181 rebound to keep away from slot 163, then make butt piece 189 remove to the butt on horizontal pole 171, fix balancing weight 17 on horizontal pole 171. Then, the output shaft of the motor 19 is driven to rotate continuously, and the distance between the first plate 131 and the moving plate 14 is adjusted, so that the damping amplitude of the base 1 is changed, and the proper damping amplitude is set according to the pump bodies 2 with different weights.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a screw vacuum pump takes precautions against earthquakes keeps warm, includes the pump body (2) and base (1), base (1) supports the pump body (2) subaerial, its characterized in that: the device is characterized by further comprising a first driving piece, a moving plate (14) and a placing plate (15), wherein an accommodating groove (11) is formed in the base (1), a partition plate (12) is arranged in the accommodating groove (11), and the base (1) is divided into an upper groove (111) and a lower groove (112) by the partition plate (12);
the partition plate (12) is in threaded connection with a plurality of rotating rods (13), the rotating rods (13) are in threaded connection with a first plate (131), the first plate (131) is located in the upper groove (111), the top surface of the first plate (131) is provided with a plurality of telescopic columns (132) with changeable lengths, the top ends of the telescopic columns (132) are arranged on the bottom surface of the moving plate (14), the telescopic columns (132) are sleeved with first springs (133), and two ends of each first spring (133) are respectively abutted against the first plate (131) and the moving plate (14);
the movable plate (14) top surface is equipped with ejector pin (141), ejector pin (141) upwards extend to stretch out base (1) and set up on placing board (15) bottom surface, the pump body (2) are placed on placing board (15) top surface, a plurality of dwang (13) of driving piece drive rotate simultaneously.
2. The heat-insulating shockproof screw vacuum pump as claimed in claim 1, characterized in that: the movable plate (14) is provided with a plurality of second springs (135), and two ends of each second spring (135) are respectively arranged on the movable plate (14) and the inner wall of the movable plate (14) opposite to the upper groove (111).
3. The heat-insulating shockproof screw vacuum pump as claimed in claim 1, characterized in that: the first driving part comprises a motor (19), a synchronous belt (16) and two first synchronous wheels (161), the two first synchronous wheels (161) are located on two sides of a plurality of rotating rods (13), the two first synchronous wheels (161) and the plurality of rotating rods (13) are located on the same straight line, the second synchronous wheels (134) are coaxially arranged on the rotating rods (13), the synchronous belt (16) is wound on the two first synchronous wheels (161) and the plurality of second synchronous wheels (134), the synchronous belt (16) is located in the lower groove (112), the motor (19) is arranged on the base (1), and an output shaft of the motor (19) is coaxially arranged on one of the first synchronous wheels (161).
4. The heat-insulating shockproof screw vacuum pump as claimed in claim 3, characterized in that: still include driving piece two, two first synchronizing wheel (161) are located the both sides of base (1) respectively, be equipped with horizontal pole (171) in lower groove (112), the length direction of horizontal pole (171) is on a parallel with the length direction of hold-in range (16), wear to establish and sliding connection has balancing weight (17) on horizontal pole (171), sliding connection has inserted bar (181) on balancing weight (17), the length direction along hold-in range (16) is equipped with a plurality of drive piece (162) on the lateral wall of hold-in range (16), be equipped with slot (163) that match with inserted bar (181) on drive piece (162) bottom surface, two drive inserted bar (181) of driving piece insert in slot (163).
5. The heat-insulating shockproof screw vacuum pump as claimed in claim 4, characterized in that: the driving piece II comprises a first bevel gear (183), a second bevel gear (184), a rotating rod (1841) and a vertical rod (182), a fixing block (18) is arranged on the balancing weight (17), one end of the fixing block (18) is connected onto the batching block, the other end of the fixing block (18) is arranged towards the synchronous belt (16), the first bevel gear (183) and the second bevel gear (184) are connected onto the fixing block (18) in a rotating mode, the first bevel gear (183) is connected with the second bevel gear (184) in a meshing mode, the vertical rod (182) is coaxially arranged on the first bevel gear (183), the inserting rod (181) is in threaded connection with the top end of the vertical rod (182), the inserting rod (181) is in sliding connection onto the fixing block (18), the rotating rod (1841) is coaxially arranged on the second bevel gear (184), and the rotating rod (1841) is rotatably connected onto the fixing block (18), one end of the rotating rod (1841) extends out of the fixed block (18).
6. The heat-insulating shockproof screw vacuum pump as claimed in claim 5, wherein: the lifting device is characterized by further comprising a third bevel gear (185), a fourth bevel gear (186), a first rod (187) and a butt rod (188), wherein the third bevel gear (185) and the fourth bevel gear (186) are rotatably connected onto a fixed block (18), the third bevel gear (185) is meshed with the fourth bevel gear (186), the third bevel gear (185) is located below the first bevel gear (183), a vertical rod (182) extends downwards to be coaxially connected with the third bevel gear (185), the first rod (187) is coaxially arranged on the fourth bevel gear (186), the first rod (187) is rotatably connected onto the fixed block (18), the butt rod (188) is in threaded connection with one end, facing the cross rod (171), of the first rod (187), a butt block (189) is arranged on one side face, facing the cross rod (171), of the butt rod (188), and the butt block (189) is in sliding connection onto a balancing weight (17), when the inserting rod (181) moves away from the inserting groove (163), the abutting block (189) abuts on the cross rod (171).
7. The heat-insulating shockproof screw vacuum pump as claimed in claim 6, characterized in that: and a butting surface matched with the cross rod (171) is arranged on one side surface of the butting block (189) facing the cross rod (171).
8. The heat-insulating shockproof screw vacuum pump as claimed in claim 3, characterized in that: and a tension wheel (191) is rotatably connected to the partition plate (12), the tension wheel (191) abuts against one side surface of the synchronous belt (16) departing from the tooth part, and the tension wheel (191) is positioned between two adjacent rotating rods (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584537.7A CN113339629B (en) | 2021-05-27 | 2021-05-27 | Heat-preservation shockproof screw vacuum pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110584537.7A CN113339629B (en) | 2021-05-27 | 2021-05-27 | Heat-preservation shockproof screw vacuum pump |
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| CN113339629B CN113339629B (en) | 2022-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562455A (en) * | 2022-02-25 | 2022-05-31 | 三门拓展真空设备有限公司 | Variable pitch screw dry vacuum pump |
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| JP2007064344A (en) * | 2005-08-31 | 2007-03-15 | Nlm Ecal Co Ltd | Pedestal |
| CN110980482A (en) * | 2019-12-25 | 2020-04-10 | 美迪斯电梯有限公司 | Simple and easy type elevator car focus adjusting device |
| CN213206984U (en) * | 2020-10-13 | 2021-05-14 | 关凤宇 | Reciprocating compressor damping mounting structure |
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2021
- 2021-05-27 CN CN202110584537.7A patent/CN113339629B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064344A (en) * | 2005-08-31 | 2007-03-15 | Nlm Ecal Co Ltd | Pedestal |
| CN110980482A (en) * | 2019-12-25 | 2020-04-10 | 美迪斯电梯有限公司 | Simple and easy type elevator car focus adjusting device |
| CN213206984U (en) * | 2020-10-13 | 2021-05-14 | 关凤宇 | Reciprocating compressor damping mounting structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114562455A (en) * | 2022-02-25 | 2022-05-31 | 三门拓展真空设备有限公司 | Variable pitch screw dry vacuum pump |
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| CN113339629B (en) | 2022-10-25 |
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