CN107289198B - Device for resolving kinetic energy of concrete pump - Google Patents
Device for resolving kinetic energy of concrete pump Download PDFInfo
- Publication number
- CN107289198B CN107289198B CN201710558179.6A CN201710558179A CN107289198B CN 107289198 B CN107289198 B CN 107289198B CN 201710558179 A CN201710558179 A CN 201710558179A CN 107289198 B CN107289198 B CN 107289198B
- Authority
- CN
- China
- Prior art keywords
- rod
- resolving
- fastening
- plate
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1075—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being joined with a hinge on one side and fastened together on the other side
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
- F16L3/205—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs
- F16L3/2056—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs the axis of at least one spring being oblique or perpendicular to the direction of the movement of the pipe
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
- F16L3/215—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction the movement being hydraulically or electrically controlled
- F16L3/217—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction the movement being hydraulically or electrically controlled hydraulically
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/237—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for two pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a device for resolving kinetic energy of a concrete pump, which relates to the technical field of building construction and comprises a fastening collar assembly, a primary energy resolving rod, a residual energy resolving box and a bottom plate, wherein the fastening collar assembly comprises a circular fastening collar sleeved outside a concrete pump pipe and a fastening rubber ring connected to the inner side of the fastening collar, the outer side wall of the fastening collar is connected with a plurality of pairs of earrings, the residual energy resolving box comprises a mounting base and a vibration damper connected to the mounting base, the upper end of the primary energy resolving rod is connected with the earrings of the fastening collar, the lower end of the primary energy resolving rod is connected with the vibration damper of the residual energy resolving box, and the mounting base of the residual energy resolving box is connected to the upper surface of the bottom plate. The device can digest and absorb the conveying kinetic energy of the pump pipe, thereby reducing the shearing impact of the pump pipe on the constructed part structure to the minimum degree, and reducing the impact damage of the conveying pump pipe on the concrete structure of the first constructed part, so as to effectively ensure the concrete construction quality of the completed structure and even the whole engineering project.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a device capable of reducing conveying vibration of a concrete ground pump.
Background
With the development of urban daily and monthly variation, more buildings adopt high-rise or super-high-rise forms, and the pumping mode of the concrete on the construction site becomes the preferred mode. In the current concrete engineering, in some long-distance and high-rise concrete pumping construction, a ground pump conveying mode is adopted in many cases. The concrete ground pump feeding form has the advantages that the other pumping mode (concrete pump truck feeding mode) does not have, namely, the distribution distance is longer and higher, the requirements of the ground pump on the bearing capacity, the working face and the like of a parking space foundation are relatively lower, the concrete ground pump feeding form has the advantages of flexible arrangement, high pouring capacity and the like, and the concrete ground pump feeding form is a construction method commonly adopted in the concrete transportation of high-rise and super high-rise buildings at present.
The main method of the current ground pump conveying mode is as follows, and the pump pipe is in a pipe distribution form: the horizontal section pump pipes are generally arranged in combination with casting and tamping requirements, and the pump pipes are connected through a collar and are arranged on the floor or a member; the method for arranging the pump pipes in the vertical section comprises the following steps: and reserving a hole at the floor, and enabling a pump pipe to pass through the reserved hole. The fixed form of vertical section pump line has two kinds: 1. the pump pipe is wedged with the gaps around the reserved hole by adopting square timber, and a steel pipe bracket for fastening the pump pipe is erected above and below the reserved hole.
However, the fixing methods of the two vertical pump pipes and the horizontal pump pipe have extremely serious drawbacks: in the pumping process of concrete, a pump pipe continuously impacts back and forth under the action of the kinetic energy of the ground pump to disturb the concrete structure poured in the early stage, the longer and higher the conveying distance is, the larger the kinetic energy of the ground pump is required to be conveyed, and accordingly, the influence on the concrete structure of the first construction part is more serious. After some engineering projects are put into service, quality problems such as cracking and water seepage occur, and most of the problems are caused by the quality problems.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a device for resolving the conveying kinetic energy of a concrete ground pump, which can resolve and absorb the conveying kinetic energy of a pump pipe, thereby reducing the shearing impact of the pump pipe on a constructed part structure (component) to the minimum degree and reducing the impact damage of the conveying pump pipe on a first constructed part concrete structure, thereby effectively ensuring the concrete construction quality of the finished structure (component) and the whole engineering project.
The technical scheme adopted by the invention for achieving the purpose is as follows: the utility model provides a clear up device of concrete pump transport kinetic energy, including fastening collar subassembly, just can clear up the stick, the surplus energy is cleared up box, the bottom plate, fastening collar subassembly is including hooping outside the concrete pump pipe and be circular shape fastening collar and connect the fastening rubber circle at fastening collar inboard, fastening collar lateral wall is connected with many pairs of earrings, the surplus energy is cleared up the box and is including installing the base and connect the damping device on the installing base, just can clear up the stick upper end and be connected with the earring of fastening collar, just can clear up the stick lower extreme and be connected with the damping device of surplus energy is cleared up the box, the installing base of surplus energy is cleared up the box and is connected at the upper surface of bottom plate.
The invention further adopts the technical scheme that: the fastening hoop of fastening hoop subassembly comprises two semicircular centre gripping hoops, and two centre gripping hoops one end is connected through articulated mode, and two centre gripping hoops other end are protruding respectively to be equipped with the butt joint arm, are provided with the butt joint hole I that sets up relatively on the butt joint arm, and fastening bolt passes the butt joint hole I rethread fastening nut on two butt joint arms and locks two butt joint arms, the centre gripping hoop inside wall is equipped with the positioning groove of outside sunken, and fastening rubber circle location is in the positioning groove.
The invention further adopts the technical scheme that: the primary energy digestion rod comprises a hydraulic cylinder, a hydraulic rod, a connecting rod I, a connecting rod II and a screwing hoop sleeve I, one end of the hydraulic rod is connected with the hydraulic cylinder, the other end of the hydraulic rod is connected with the connecting rod I, the relative position of the hydraulic rod and the connecting rod I is fixed through the screwing hoop sleeve I sleeved on the hydraulic rod, one end of the connecting rod I, far away from the hydraulic rod, is provided with a connecting hole I, one end, far away from the connecting rod I, of the connecting rod II is connected with the hydraulic cylinder, and one end, far away from the hydraulic cylinder, of the connecting rod II is provided with a connecting hole II.
The invention further adopts the technical scheme that: the primary energy digestion rod comprises a connecting bearing sleeve, a sealing bolt I, a sealing bolt II, a pushing sliding block I, a pushing sliding block II, a dowel bar, a telescopic sleeve rod, a connecting rod III, a screwing ferrule II and a high-strength spring I, wherein the sealing bolt I and the sealing bolt II are respectively fixedly connected with two ends of the connecting bearing sleeve, the pushing sliding block I and the pushing sliding block II are round sliding blocks, the pushing sliding block I and the pushing sliding block II are slidably arranged in the connecting bearing sleeve, one end of the dowel bar is connected with the middle part of the pushing sliding block I, a guide hole penetrating out of the middle part of the sealing bolt I at the other end of the dowel bar extends out of the connecting bearing sleeve, one end of the telescopic sleeve rod is connected with the middle part of the pushing sliding block II, the other end of the telescopic sleeve rod extends out of the connecting bearing sleeve, one end of the telescopic sleeve rod extends out of the connecting bearing sleeve, is connected with the connecting rod III, the relative positions of the telescopic sleeve rod and the connecting rod III are fixed through the screwing ferrule II sleeved on the telescopic sleeve rod, and the pushing spring I are respectively arranged between the pushing sliding block I and the pushing sliding block II on the inner side of the connecting bearing sleeve.
The invention further adopts the technical scheme that: the mounting base of the complementary energy absorption box comprises a bottom substrate and channel steel side wings formed by upward extension of edges of two sides of the bottom substrate, two fixed side plates are arranged on the inner sides of the two channel steel side wings and are respectively connected with the upper surface of the bottom substrate, the two fixed side plates are parallel to each other and are also parallel to the two channel steel side wings, a guide rail connected to the upper surface of the bottom substrate is further arranged between the two fixed side plates, and a plurality of positioning holes convenient to be connected with a bottom plate are further formed in the bottom substrate.
The invention further adopts the technical scheme that: the vibration damper of the complementary energy absorption box comprises spring sleeves, pushing cylinders, transmission sliding plates, high-strength springs II, end plates and sealing bolts III, wherein one spring sleeve is fixedly connected to each channel steel flank and a fixed side plate on the inner side of each channel steel flank, one pushing cylinder is arranged on the inner side of each spring sleeve, the high-strength springs II which are mutually propped against the pushing cylinders are respectively arranged at the two ends of each pushing cylinder in each spring sleeve, the end plates for sealing one end ports of the two spring sleeves are arranged at one end of the bottom substrate, the screw bolts for sealing the spring sleeves are respectively connected to one end of the two spring sleeves far away from the end plates, a guide chute penetrating through the wall of each spring sleeve is arranged on the wall of each spring sleeve close to the inner side of each spring sleeve, the transmission sliding plates are arranged between the two spring sleeves, the two ends of each transmission sliding plate respectively penetrate through the guide chutes of the two spring sleeves and are connected with the two pushing cylinders, the upper surface of each transmission sliding plate is connected with a connecting device connected with a primary energy absorption rod, and the lower surface of each transmission sliding plate is connected with a guide wheel matched with a guide rail on a mounting base.
The invention further adopts the technical scheme that: the lower surface of the transmission slide plate is fixedly connected with a guide wheel mounting bracket, the guide wheel is positioned on the guide wheel mounting bracket, the guide wheel is a concave pressure-bearing guide wheel with concave middle parts and convex two ends, and the concave part in the middle of the guide wheel is matched with a guide rail on the upper surface of the mounting base.
The invention further adopts the technical scheme that: the connecting device comprises a U-shaped plane mounting head and a release-stopping bolt, wherein the U-shaped plane mounting head comprises a connecting flat plate connected with the upper surface of the transmission slide plate and two vertical connecting plates which are oppositely arranged and are formed by extending the upper surface of the connecting flat plate, the two vertical connecting plates are provided with switching holes with mutually corresponding positions, and the release-stopping bolt penetrates through the switching holes to connect the primary energy digestion rod on the transmission slide plate.
The invention further adopts the technical scheme that: the bottom plate is formed by connecting two semicircular steel plates, one ends of the two semicircular steel plates are connected in a hinged mode, the upper surfaces of the other ends of the two semicircular steel plates are respectively connected with opposite abutting fixing plates, opposite abutting holes II are formed in the two abutting fixing plates, bolts penetrate through the abutting holes II in the two abutting fixing plates, and the positions of the two abutting fixing plates are mutually fixed through nuts.
The device for resolving the kinetic energy of the concrete pump has the following beneficial effects:
1. the device for resolving the conveying kinetic energy of the concrete pump comprises the fastening sleeve component, the primary energy resolving rod, the residual energy resolving box and the bottom plate, wherein the fastening rubber ring of the fastening sleeve component can play a role in fastening and damping, the hydraulic cylinder of the primary energy resolving rod and the high-strength spring I in the connecting bearing sleeve can also play a role in absorbing kinetic energy well, and the residual energy resolving box can further absorb and resolve residual kinetic energy transmitted by the primary energy resolving rod;
2. the whole set of device for resolving the kinetic energy of the concrete pump not only has the flexible limit of the primary energy resolving rod and the residual energy resolving box, but also has the rigid limit of the bottom plate manufactured by the steel plate, so that the pump pipe is firmly and reliably fixed and supported, and the safety accident is completely eradicated;
3. the device for resolving the kinetic energy of the concrete pump can accelerate the construction progress, and the whole device is not in direct forced contact with an engineering structure, so that the device can be installed when the surface strength of concrete reaches 1.2Mpa in general, and the prior art is contrary observed, and the wooden wedge can be installed when the strength of the concrete reaches 70% of the design strength (which can be met in 7-10 days in general);
4. the device for resolving the kinetic energy of the concrete pump has positive promotion effect and reference significance for further developing energy dissipation technology and energy dissipation method in the building industry.
The device for resolving the kinetic energy of the concrete pump according to the invention will be further described with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the construction of a fastening collar assembly of the apparatus for dissipating kinetic energy of a concrete pump of the present invention;
FIG. 2 is a partial cross-sectional view of the fastening cuff assembly attached to the exterior of the pump tube;
FIG. 3 is a schematic view of a primary energy digestion rod embodiment of the apparatus for digesting kinetic energy of a concrete pump of the present invention;
FIG. 4 is a schematic diagram of a second embodiment of a primary energy digestion rod of the apparatus for digesting kinetic energy of a concrete pump of the present invention;
FIG. 5 is a schematic structural view of a waste energy absorption box of the device for absorbing the kinetic energy of the concrete pump;
FIG. 6 is a cross-sectional view of the waste energy absorption box;
FIG. 7 is a schematic elevational view of a connection device on a drive slide
FIG. 8 is a schematic plan view of the connection means on the drive slide;
FIG. 9 is a schematic view of the structure of the bottom plate of the apparatus for counteracting the kinetic energy of the concrete pump of the present invention;
FIG. 10 is a schematic view of the structure of the hinge of the base plate of FIG. 9;
FIG. 11 is a schematic view of the structure of the two base plates of FIG. 9 connected against the mounting plate;
FIG. 12 is a front view of the apparatus for dissipating kinetic energy of a concrete pump of the present invention mounted to a horizontal pump tube;
FIG. 13 is a front view of the apparatus for dissipating kinetic energy of a concrete pump of the present invention mounted to a vertical pump tube;
FIG. 14 is a plan view of the apparatus for dissipating kinetic energy of a concrete pump of the present invention mounted to a vertical pump tube;
reference numerals illustrate: 1-fastening collar, 2-earring, 3-hinged pin, 4-butt arm, 5-pump tube, 6-fastening rubber ring, 7-connecting rod I, 8-fastening collar I, 9-hydraulic rod, 10-hydraulic cylinder, 11-connecting rod II, 12-connecting rod III, 13-fastening collar II, 14-telescopic collar rod, 15-sealing bolt II, 16-pushing slide II, 17-pushing slide I, 18-sealing bolt I, 19-dowel bar, 20-connecting bearing sleeve, 21-high strength spring I, 22-sealing bolt III, 23-spring sleeve, 24-high strength spring II, 25-pushing cylinder, 26-U-shaped planar mounting head, 27-end plate, 28-driving slide, 29-guide rail, 30-channel side wing, 31-bottom base plate, 32-fixed side plate, 33-guide wheel, 34-guide wheel mounting bracket, 35-connecting plate, 36-vertical connecting plate, 37-retaining pin, 38-semicircular steel plate, 39-rivet, 40-concrete, 41-abutment fixed plate, 42-bottom plate, 43-44-horizontal flange, 45-pump tube, 48-absorbing pump tube, and 48-horizontal pump tube.
Detailed Description
As shown in fig. 1 to 14, the device for resolving the kinetic energy of the concrete pump according to the present invention (referred to as "energy-resolving device") comprises a fastening collar assembly 47, a primary energy resolving rod 45, a residual energy resolving box 44 and a bottom plate 43.
As shown in fig. 1 and 2, the fastening collar assembly comprises a circular fastening collar 1 hooped outside a concrete pump pipe 5 and a fastening rubber ring 6 connected to the inner side of the fastening collar 1, and a plurality of pairs of earrings 2 are connected to the outer side wall of the fastening collar 1. In this embodiment, the fastening collar 1 of the fastening collar assembly 47 is composed of two semicircular clamping collars, the clamping collars are made of light steel, and of course, the clamping collars can also be made of cast iron, PVC, PU and other high-strength composite materials. Two centre gripping hoops one end is connected through articulated mode, and articulated round pin axle 3 articulates two centre gripping hoops one end together, and two centre gripping hoops other end are protruding respectively to be equipped with butt joint arm 4, are provided with the butt joint hole I that sets up relatively on the butt joint arm 4, and fastening bolt passes the butt joint hole I rethread fastening nut on two butt joint arms 4 and locks two butt joint arms 4, the centre gripping hoop inside wall is equipped with the positioning groove of outside sunken, and fastening rubber circle 6 location is in the positioning groove.
This example lists the structure of two primary energy digestion rods. The first embodiment (see fig. 3) of the primary energy digestion rod 45 has the following structure: the primary energy digestion rod comprises a hydraulic cylinder 10, a hydraulic rod 9, a connecting rod I7, a connecting rod II 11 and a screwing hoop I8, wherein one end of the hydraulic rod 9 is connected with the hydraulic cylinder 10, the other end of the hydraulic rod 9 is connected with the connecting rod I7, the relative position of the hydraulic rod 9 and the connecting rod I7 is fixed through the screwing hoop I8 sleeved on the hydraulic rod 9, the hydraulic rod 9 is sleeved in a sleeve pipe of the connecting rod I7, which is close to one end of the hydraulic cylinder 10, the hydraulic rod 9 can stretch and retract relative to the connecting rod I7, one end of the connecting rod I7, which is far away from the hydraulic rod 9, is provided with a connecting hole I, the connecting rod II 11 is connected with one end of the hydraulic cylinder 10, which is far away from the connecting rod I7, and one end of the connecting rod II 11, which is far away from the hydraulic cylinder 10, is provided with a connecting hole II.
A second embodiment of the primary energy digestion rod (see fig. 4) has the following structure: the primary energy digestion rod comprises a connecting bearing sleeve 20, a sealing bolt I18, a sealing bolt II 15, a pushing sliding block I17, a pushing sliding block II 16, a dowel bar 19, a telescopic sleeve rod 14, a connecting rod III 12, a screwing hoop sleeve II 13 and a high-strength spring I21. The sealing bolt I18 and the sealing bolt II 15 are fixedly connected with two ends of the connecting bearing sleeve 20 respectively, internal threads are arranged on the inner walls of the two ends of the connecting bearing sleeve 20, the sealing bolt I18 and the sealing bolt II 15 are connected with the connecting bearing sleeve 20 through threads, and guide holes are formed in the middle parts of the sealing bolt I18 and the sealing bolt II 15 respectively. The pushing slide block I17 and the pushing slide block II 16 are round slide blocks, the pushing slide block I17 and the pushing slide block II 16 are slidably arranged in the connecting bearing sleeve 20, one end of the dowel bar 19 is connected with the middle part of the pushing slide block I17, the other end of the dowel bar 19 penetrates out of a guide hole in the middle part of the sealing bolt I18 to extend out of the connecting bearing sleeve 20, a hinge hole is formed in the tail end of the dowel bar 19 extending out of the connecting bearing sleeve 20, an inner screw hole is formed in the middle part of the pushing slide block I17, and the dowel bar 19 is connected with the pushing slide block I17 through threads. One end of the telescopic sleeve rod 14 is connected with the middle part of the pushing sliding block II 16, a guide hole penetrating out of the middle part of the sealing bolt II 15 at the other end of the telescopic sleeve rod 14 extends out of the connecting bearing sleeve 20, an inner screw hole is also formed in the middle part of the pushing sliding block II 16, and the telescopic sleeve rod 14 is connected with the pushing sliding block II 16 through screw threads. One end of the telescopic sleeve rod 14, which extends out of the connecting bearing sleeve 20, is connected with the connecting rod III 12, and the telescopic sleeve rod 14 extends out of the sleeve connecting the bearing sleeve 20 and the connecting rod III 12, so that the telescopic sleeve rod 14 can extend and retract relative to the connecting rod III 12. The relative position of the telescopic loop bar 14 and the connecting rod III 12 is fixed by screwing the loop II 13 on the telescopic loop bar 14. High-strength springs I21 are respectively arranged between the sealing bolt I18 and the pushing sliding block I17, between the pushing sliding block I17 and the pushing sliding block II 16, and between the pushing sliding block II 16 and the sealing bolt II 15 which are connected with the inner side of the bearing sleeve 20.
The complementary energy absorption box comprises a mounting base and a vibration damper connected to the mounting base. The mounting base of the complementary energy absorption box comprises a bottom substrate 31 and channel steel side wings 30 formed by upward extension of two side edges of the bottom substrate 31, two fixed side plates 32 are arranged on the inner sides of the two channel steel side wings 30, the two fixed side plates 32 are respectively connected with the upper surface of the bottom substrate 31, the two fixed side plates 32 are parallel to each other and are also parallel to the two channel steel side wings 30, two guide rails 29 connected to the upper surface of the bottom substrate 31 are further arranged between the two fixed side plates 32, and the two guide rails 29 are parallel to each other. The base substrate 31 is further provided with a plurality of positioning holes for facilitating connection with the bottom plate 43.
As shown in fig. 5 to 8, the vibration damper of the complementary energy absorption box comprises spring sleeves 23, pushing cylinders 25, a transmission sliding plate 28, high-strength springs ii 24, end plates 27 and sealing bolts iii 22, wherein a spring sleeve 23 is fixedly connected to each channel steel flank 30 and a fixed side plate 32 on the inner side of each channel steel flank 30, one pushing cylinder 25 is arranged on the inner side of each spring sleeve 23, high-strength springs ii 24 which are mutually pressed against the pushing cylinders 25 are respectively arranged at two ends of the pushing cylinders 25 in each spring sleeve 23, an end plate 27 for sealing one end port of each two spring sleeves 23 is arranged at one end of a bottom base plate 31, and screwing bolts for sealing the sealing of the spring sleeves 23 are respectively connected to one ends of the two spring sleeves 23 far away from the end plates 27. The cylinder wall of each spring sleeve 23 near the inner side is provided with a guide chute penetrating through the cylinder wall of the spring sleeve 23, a transmission slide plate 28 is arranged between the two spring sleeves 23, two ends of the transmission slide plate 28 respectively penetrate through the guide chute of the two spring sleeves 23 and are connected with the two pushing cylinders 25, the upper surface of the transmission slide plate 28 is connected with a connecting device connected with a primary energy digestion rod 45, and the lower surface of the transmission slide plate 28 is connected with two groups of guide wheels 33 matched with the guide rail 29 on the mounting base. The lower surface of the transmission slide plate 28 is fixedly connected with two groups of guide wheel mounting brackets 34, the guide wheels 33 are positioned on the guide wheel mounting brackets 34, the guide wheels 33 are concave pressure-bearing guide wheels with concave middle parts and convex two ends, and the concave middle parts of the guide wheels 33 are matched with the guide rails 29 on the upper surface of the mounting base. The connecting device comprises a U-shaped plane mounting head 26 and a release-stopping bolt 37, the U-shaped plane mounting head 26 comprises a connecting flat plate 35 connected with the upper surface of the transmission slide plate 28 and two vertical connecting plates 36 which are oppositely arranged and are formed by extending the upper surface of the connecting flat plate 35, the two vertical connecting plates 36 are provided with switching holes with mutually corresponding positions, and the release-stopping bolt 37 penetrates through the switching holes to connect the primary energy digestion rod 45 on the transmission slide plate 28. During installation, two high-strength springs II 24 close to the end plate 27 are firstly placed in the spring sleeve 23, then the transmission slide block is placed along the guiding chute on the inner side of the spring sleeve 23, then the two high-strength springs II 24 on the outer side of the pushing cylinder 25 are placed, and finally the sealing bolt III 22 is screwed.
As shown in fig. 9 to 11, the bottom plate is formed by connecting two semicircular steel plates 38, and the inner rings of the two semicircular steel plates 38 are slightly larger than the outer diameter of the pump pipe, so as to limit the pump pipe. One end of each of the two semicircular steel plates 38 is connected in a hinged manner, the upper surface of the tail end of one semicircular steel plate 38 is connected with a hinged plate 40, and a rivet 39 penetrates through the hinged plate 40 and a hinged hole in the other semicircular steel plate 38, so that the two semicircular steel plates 38 are hinged together. The upper surfaces of the other ends of the two semicircular steel plates 38 are respectively connected with opposite abutting fixing plates 41, opposite abutting holes II are formed in the two abutting fixing plates 41, bolts penetrate through the abutting holes II in the two abutting fixing plates 41, and the positions of the two abutting fixing plates 41 are mutually fixed through nuts. In construction, the foundation is secured to the finished concrete floor 42 using expansion bolts.
When the device is used, the fastening ferrule 1 of the fastening ferrule assembly is sleeved outside the pump pipe 5, the upper end of the primary energy digestion rod is connected with the earring 2 of the fastening ferrule 1 through a bolt or a bolt and the like, the lower end of the primary energy digestion rod is connected with a vibration damper of the complementary energy digestion box through a bolt or a bolt and the like, and the mounting base of the complementary energy digestion box is connected to the upper surface of the bottom plate 43. When the primary energy digestion rod adopts the structure of the first embodiment: the connecting hole I of the primary energy digestion rod connecting rod I7 is connected with the earring 2 of the fastening ferrule 1 through a bolt or a bolt and the like, and the connecting hole II of the primary energy digestion rod connecting rod II 11 is connected with the vertical connecting plate 36 of the U-shaped plane mounting head 26 of the vibration damper through a bolt or a bolt and the like. When the primary energy digestion rod adopts the structure of the second embodiment: the primary energy digestion connecting rod III 12 is connected with the earring 2 of the fastening collar 1 through bolts or bolts and the like, and the dowel bar 19 of the primary energy digestion rod is connected with the vertical connecting plate 36 of the U-shaped plane mounting head 26 of the vibration damper through bolts or bolts and the like.
When the energy dissipating device is mounted on the horizontal pump pipe 46, as shown in fig. 12, the energy dissipating device is mounted in the following order: the bottom plate 43 is installed, the complementary energy absorption box 44 is installed, the primary energy absorption rod 45 is installed at the top of the transmission sliding block, the horizontal section pump pipe is installed, and the fastening collar assembly 47 is installed. The bottom plate 43 is fixed on the poured final-set concrete floor 42, the fastening ferrule 1 of the fastening ferrule assembly 47 is sleeved outside the pump pipe, the upper end of the primary energy digestion rod 45 is connected with the earring 2 of the fastening ferrule 1 through bolts, the lower end of the primary energy digestion rod 45 is connected with the vibration damper of the residual energy digestion box 44 through bolts, and the mounting base of the residual energy digestion box 44 is connected to the upper surface of the bottom plate 43. Vibration generated by the horizontal pump pipe 46 when concrete is conveyed is basically rarely transmitted to the poured concrete floor 42 after passing through the fastening collar assembly 47, the primary energy digestion rod 45, the residual energy digestion box 44 and the bottom plate 43, so that impact damage of the conveying pump pipe to the concrete structure of the first construction part is reduced.
When the energy dissipating device is installed on the vertical pump pipe 48, as shown in fig. 13 and 14, the following sequence is adopted in construction: floor reserved holes, vertical pump pipe 48 installation, base installation, residual energy absorption box 44 installation, primary energy absorption rod 45 installation on the top of a transmission sliding block, fastening collar assembly 47 installation, integral debugging and application. Four groups of primary energy digestion bars 45 and complementary energy digestion boxes 44 are vertically and symmetrically arranged around the vertical pump pipe 48 by taking the central line of the reserved hole as a control datum line. The primary energy digestion rod 45 is hinged to the fastening collar assembly 47 and the complementary energy digestion box 44. The base is connected to the concrete floor 42 using expansion bolts. Vibration generated by the vertical pump pipe 48 when concrete is conveyed is basically rarely transmitted to the poured concrete floor 42 after passing through the fastening collar assembly 47, the primary energy digestion rod 45, the complementary energy digestion box 44 and the bottom plate 43, so that impact damage of the conveying pump pipe to the concrete structure of the first construction part is reduced.
The above embodiments are merely preferred embodiments of the present invention, the structure of the present invention is not limited to the forms of the above embodiments, and any modifications, equivalents, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The device for resolving the kinetic energy of the concrete pump is characterized by comprising a fastening ferrule assembly (47), a primary energy resolving rod (45), a residual energy resolving box (44) and a bottom plate (43), wherein the fastening ferrule assembly (47) comprises a circular fastening ferrule (1) hooped outside a concrete pump pipe and a fastening rubber ring (6) connected to the inner side of the fastening ferrule (1), a plurality of pairs of earrings (2) are connected to the outer side wall of the fastening ferrule (1), the residual energy resolving box (44) comprises a mounting base and a vibration damper connected to the mounting base, the upper end of the primary energy resolving rod (45) is connected with the earrings (2) of the fastening ferrule (1), the lower end of the primary energy resolving rod (45) is connected with the vibration damper of the residual energy resolving box (44), and the mounting base of the residual energy resolving box (44) is connected to the upper surface of the bottom plate (43); the mounting base of the complementary energy absorption box (44) comprises a bottom substrate (31) and channel steel side wings (30) formed by upward extension of edges of two sides of the bottom substrate (31), two fixed side plates (32) are arranged on the inner sides of the two channel steel side wings (30), the two fixed side plates (32) are respectively connected with the upper surface of the bottom substrate (31), the two fixed side plates (32) are parallel to each other and are also parallel to the two channel steel side wings (30), a guide rail (29) connected to the upper surface of the bottom substrate (31) is further arranged between the two fixed side plates (32), and a plurality of positioning holes which are convenient to connect with a bottom plate (43) are further formed in the bottom substrate (31); the vibration damper of the complementary energy absorption box (44) comprises a spring sleeve (23), a pushing cylinder (25), a transmission sliding plate (28), a high-strength spring II (24), an end plate (27) and a sealing bolt III (22), wherein a spring sleeve (23) is fixedly connected to each channel steel flank (30) and a fixed side plate (32) on the inner side of the channel steel flank, the pushing cylinder (25) is arranged on the inner side of each spring sleeve (23), high-strength springs II (24) which are mutually pressed against the pushing cylinder (25) are respectively arranged at two ends of the pushing cylinder (25) in each spring sleeve (23), an end plate (27) for sealing one end port of each spring sleeve (23) is arranged at one end of the bottom base plate (31), a screwing bolt for sealing the spring sleeve (23) is respectively connected to one end far away from the end plate (27), a guide chute penetrating through the wall of the spring sleeve (23) is arranged on the inner side of each spring sleeve (23), the transmission sliding plate (28) is arranged between the two spring sleeves (23), two ends of the transmission sliding plate (28) respectively penetrate through the two guide chutes (23) respectively, the two ends of the spring sleeves (23) are connected with the transmission sliding plate (45) through the surfaces of the two spring sleeves (25) respectively, the lower surface of the transmission slide plate (28) is connected with a guide wheel (33) matched with a guide rail (29) on the installation base.
2. The device for resolving kinetic energy of concrete pump according to claim 1, wherein the fastening collar (1) of the fastening collar assembly (47) is composed of two semicircular clamping hoops, one ends of the two clamping hoops are connected in a hinged manner, the other ends of the two clamping hoops are respectively provided with a butt joint arm (4) in a protruding manner, the butt joint arms (4) are provided with butt joint holes I which are oppositely arranged, the fastening bolts penetrate through the butt joint holes I of the two butt joint arms (4) and lock the two butt joint arms (4) through fastening nuts, the inner side walls of the clamping hoops are provided with outwards concave positioning grooves, and the fastening rubber rings (6) are positioned in the positioning grooves.
3. The device for resolving kinetic energy of concrete pump according to claim 1, wherein the primary energy resolving rod (45) comprises a hydraulic cylinder (10), a hydraulic rod (9), a connecting rod I (7), a connecting rod II (11) and a screwing collar I (8), one end of the hydraulic rod (9) is connected with the hydraulic cylinder (10), the other end of the hydraulic rod (9) is connected with the connecting rod I (7), the relative position of the hydraulic rod (9) and the connecting rod I (7) is fixed through the screwing collar I (8) sleeved on the hydraulic rod (9), one end of the connecting rod I (7) far away from the hydraulic rod (9) is provided with a connecting hole I, one end of the connecting rod II (11) far away from the connecting rod I (7) is connected with the hydraulic cylinder (10), and one end of the connecting rod II (11) far away from the hydraulic cylinder (10) is provided with a connecting hole II.
4. The device for resolving kinetic energy of a concrete pump according to claim 1, wherein the primary resolving rod (45) comprises a connecting bearing sleeve (20), a sealing bolt I (18), a sealing bolt II (15), a pushing sliding block I (17), a pushing sliding block II (16), a force transmission rod (19), a telescopic sleeve rod (14), a connecting rod III (12), a tightening hoop II (13) and a high-strength spring I (21), the sealing bolt I (18) and the sealing bolt II (15) are respectively fixedly connected with two ends of the connecting bearing sleeve (20), the pushing sliding block I (17) and the pushing sliding block II (16) are circular sliding blocks, the pushing sliding block I (17) and the pushing sliding block II (16) are slidably arranged in the connecting bearing sleeve (20), one end of the force transmission rod (19) is connected with the middle part of the pushing sliding block I (17), a guide hole in the middle of the force transmission rod (19) penetrates out of the connecting bearing sleeve (20), one end of the telescopic sleeve rod (14) is connected with the middle part of the pushing sliding block II (16), the other end of the telescopic sleeve rod (14) penetrates out of the guide hole in the middle of the connecting rod II (18) and extends out of the connecting rod (12) to extend out of the middle part of the connecting bearing sleeve (20), the relative positions of the telescopic sleeve rod (14) and the connecting rod III (12) are fixed through a screwing collar II (13) sleeved on the telescopic sleeve rod (14), and high-strength springs I (21) are respectively arranged between a sealing bolt I (18) and a pushing sliding block I (17), between the pushing sliding block I (17) and a pushing sliding block II (16) and between the pushing sliding block II (16) and the sealing bolt II (15) which are connected with the inner side of a bearing sleeve (20).
5. The device for resolving the kinetic energy of the concrete pump according to claim 1, wherein a guide wheel mounting bracket (34) is fixedly connected to the lower surface of the transmission slide plate (28), a guide wheel (33) is positioned on the guide wheel mounting bracket (34), the guide wheel (33) is a concave bearing guide wheel with concave middle parts and convex two ends, and the concave part in the middle of the guide wheel (33) is matched with a guide rail (29) on the upper surface of the mounting base.
6. The device for resolving kinetic energy of concrete pump according to claim 1, wherein the connecting device comprises a U-shaped plane mounting head (26) and a release-stopping bolt (37), the U-shaped plane mounting head (26) comprises a connecting flat plate (35) connected with the upper surface of the transmission slide plate (28) and two oppositely arranged vertical connecting plates (36) formed by extending the upper surface of the connecting flat plate (35), the two vertical connecting plates (36) are provided with mutually corresponding transfer holes, and the release-stopping bolt (37) passes through the transfer holes to connect the primary energy resolving rod (45) on the transmission slide plate (28).
7. The device for resolving kinetic energy of a concrete pump according to claim 1, wherein the bottom plate (43) is formed by connecting two semicircular steel plates (38), one ends of the two semicircular steel plates (38) are connected in a hinged manner, the upper surfaces of the other ends of the two semicircular steel plates (38) are respectively connected with opposite abutting fixing plates (41), opposite abutting holes II are formed in the two abutting fixing plates (41), and bolts pass through the abutting holes II in the two abutting fixing plates (41) and fix the positions of the two abutting fixing plates (41) with each other through nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558179.6A CN107289198B (en) | 2017-07-10 | 2017-07-10 | Device for resolving kinetic energy of concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558179.6A CN107289198B (en) | 2017-07-10 | 2017-07-10 | Device for resolving kinetic energy of concrete pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107289198A CN107289198A (en) | 2017-10-24 |
| CN107289198B true CN107289198B (en) | 2023-08-04 |
Family
ID=60101366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710558179.6A Active CN107289198B (en) | 2017-07-10 | 2017-07-10 | Device for resolving kinetic energy of concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289198B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883068A (en) * | 2017-12-06 | 2018-04-06 | 高佳 | A kind of support of pipelines for being easy to regulation for being used to build |
| CN108657880A (en) * | 2018-06-01 | 2018-10-16 | 江西机电职业技术学院 | Umbilical drags load Wheels group arrangement |
| CN109027416B (en) * | 2018-09-17 | 2020-08-14 | 泰州亿丰达电器有限公司 | Intelligent mechanical plug-in robot for building water pipe laying special pipeline |
| CN111895182A (en) * | 2020-07-13 | 2020-11-06 | 中国二十二冶集团有限公司 | Vertical pump pipe fixer and using method |
| CN113108132A (en) * | 2021-03-25 | 2021-07-13 | 中国一冶集团有限公司 | Pipe clamp type floor hole plugging and supporting device and using method thereof |
| CN113356592B (en) * | 2021-06-28 | 2022-10-11 | 新兴栈(绵阳)建材有限公司 | Concrete conveying pipe terminal anti-splash device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141747A (en) * | 1997-11-10 | 1999-05-28 | Ishikawajima Harima Heavy Ind Co Ltd | Pipe support device |
| ES2331552A1 (en) * | 2008-02-04 | 2010-01-07 | Moises Fernandez Sierra | Adjustable guardrail post |
| CN102829247A (en) * | 2012-08-16 | 2012-12-19 | 北京市三一重机有限公司 | Multi-level conveying system and high-altitude operation engineering machine |
| CN203052136U (en) * | 2012-12-13 | 2013-07-10 | 中国科学院宁波材料技术与工程研究所 | Base type locking hose clamp |
| CN203257960U (en) * | 2013-05-03 | 2013-10-30 | 东北大学 | Modular-parameter-adjustable dynamic shock absorber |
| CN104295660A (en) * | 2014-09-18 | 2015-01-21 | 中国地震局工程力学研究所 | One-sided bidirectional guide rail disc spring large-displacement seismic isolation pedestal |
| CN104358822A (en) * | 2014-09-18 | 2015-02-18 | 中国地震局工程力学研究所 | Three-way seismic isolation pedestal with two-way guide rail disc springs |
| CN105114704A (en) * | 2015-09-10 | 2015-12-02 | 西安市建筑工程总公司 | Pump pipe damping device |
| CN105822841A (en) * | 2016-06-08 | 2016-08-03 | 洛阳海惠新材料股份有限公司 | Ground damping device for ethylene glycol antimony raw material conveying pipeline |
| CN105937572A (en) * | 2016-07-12 | 2016-09-14 | 安徽工程大学 | Vibration isolation platform with quasi-zero stiffness |
| CN106224434A (en) * | 2016-08-05 | 2016-12-14 | 张辰啸 | There is antitorque and resistance to plucking function three-dimensional shock insulation device |
| CN206280682U (en) * | 2017-04-12 | 2017-06-27 | 珠海市英特路机械设备有限公司 | A kind of suspension type automatically controlled AC Lub oil pump of pneumatic multithreading for lifting output pressure |
| CN207316241U (en) * | 2017-07-10 | 2018-05-04 | 广西建工集团第三建筑工程有限责任公司 | A kind of device for clearing up concrete ground pump conveying kinetic energy |
-
2017
- 2017-07-10 CN CN201710558179.6A patent/CN107289198B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141747A (en) * | 1997-11-10 | 1999-05-28 | Ishikawajima Harima Heavy Ind Co Ltd | Pipe support device |
| ES2331552A1 (en) * | 2008-02-04 | 2010-01-07 | Moises Fernandez Sierra | Adjustable guardrail post |
| CN102829247A (en) * | 2012-08-16 | 2012-12-19 | 北京市三一重机有限公司 | Multi-level conveying system and high-altitude operation engineering machine |
| CN203052136U (en) * | 2012-12-13 | 2013-07-10 | 中国科学院宁波材料技术与工程研究所 | Base type locking hose clamp |
| CN203257960U (en) * | 2013-05-03 | 2013-10-30 | 东北大学 | Modular-parameter-adjustable dynamic shock absorber |
| CN104295660A (en) * | 2014-09-18 | 2015-01-21 | 中国地震局工程力学研究所 | One-sided bidirectional guide rail disc spring large-displacement seismic isolation pedestal |
| CN104358822A (en) * | 2014-09-18 | 2015-02-18 | 中国地震局工程力学研究所 | Three-way seismic isolation pedestal with two-way guide rail disc springs |
| CN105114704A (en) * | 2015-09-10 | 2015-12-02 | 西安市建筑工程总公司 | Pump pipe damping device |
| CN105822841A (en) * | 2016-06-08 | 2016-08-03 | 洛阳海惠新材料股份有限公司 | Ground damping device for ethylene glycol antimony raw material conveying pipeline |
| CN105937572A (en) * | 2016-07-12 | 2016-09-14 | 安徽工程大学 | Vibration isolation platform with quasi-zero stiffness |
| CN106224434A (en) * | 2016-08-05 | 2016-12-14 | 张辰啸 | There is antitorque and resistance to plucking function three-dimensional shock insulation device |
| CN206280682U (en) * | 2017-04-12 | 2017-06-27 | 珠海市英特路机械设备有限公司 | A kind of suspension type automatically controlled AC Lub oil pump of pneumatic multithreading for lifting output pressure |
| CN207316241U (en) * | 2017-07-10 | 2018-05-04 | 广西建工集团第三建筑工程有限责任公司 | A kind of device for clearing up concrete ground pump conveying kinetic energy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107289198A (en) | 2017-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107289198B (en) | Device for resolving kinetic energy of concrete pump | |
| CN103510640B (en) | A kind of fabricated shear wall and assembly method thereof | |
| CN210946426U (en) | Road and bridge crack reinforcing structure | |
| CN210458891U (en) | Road and bridge crack reinforcing apparatus | |
| CN107964870A (en) | A kind of detachable assembling type reinforced concrete bridge pier cushion cap connection structure | |
| CN110468727B (en) | Temporary prestress tensioning pedestal and lifting point integrated structure of segmental beam and construction method | |
| CN102587918A (en) | High-strength reducing template for construction of coal mine freezing vertical shaft | |
| CN1804238A (en) | Combined foundation of backstay type machinery apparatus | |
| CN201554234U (en) | Aerial steel sleeve aligning device | |
| CN102444408B (en) | Secondary lining split mounting type blocking head device for metro underground excavation tunnel | |
| CN204401377U (en) | Adjustable ballastless track self-compacting concrete perfusion gang form | |
| CN104372746B (en) | The prefabricated post stretching Simple T-Girders note concrete form support of railroad bridge and mounting process thereof | |
| CN207176527U (en) | Bridge Crack bracing means | |
| CN206753038U (en) | It is a kind of to wear joist steel sleeve pipe applied in aluminum dipping form | |
| CN214570413U (en) | Special device for underground rapid lifting pipeline of mine | |
| CN206338075U (en) | A kind of anti-internal water pressure composite shield section of jurisdiction | |
| CN111472462A (en) | Vertical mechanical connection method for assembled shear wall | |
| CN207316241U (en) | A kind of device for clearing up concrete ground pump conveying kinetic energy | |
| CN215249228U (en) | Simple large-scale pipeline installation adjusting device | |
| CN110963420B (en) | Support connecting structure of tower crane supporting beam | |
| CN209686889U (en) | A kind of concreting chute damping unit | |
| CN111501535B (en) | Assembled road and bridge pier stud structure | |
| CN204529157U (en) | Tower crane attached wall service platform | |
| CN211624414U (en) | Instrument formula floor bottom pump line reinforcing apparatus | |
| CN202483579U (en) | High-strength reducing template for shaft construction of coal mile freezing vertical shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |