CN217201907U - Bridge jacking jack stress surface adjusting device - Google Patents

Bridge jacking jack stress surface adjusting device Download PDF

Info

Publication number
CN217201907U
CN217201907U CN202220073496.5U CN202220073496U CN217201907U CN 217201907 U CN217201907 U CN 217201907U CN 202220073496 U CN202220073496 U CN 202220073496U CN 217201907 U CN217201907 U CN 217201907U
Authority
CN
China
Prior art keywords
plate
bottom plate
stress surface
inboard
adjusting device
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
Application number
CN202220073496.5U
Other languages
Chinese (zh)
Inventor
吴如军
唐颖
唐军
刘文汉
张军宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Shengte Construction Technology Development Co ltd
Original Assignee
Guangzhou Shengte Construction Technology Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Shengte Construction Technology Development Co ltd filed Critical Guangzhou Shengte Construction Technology Development Co ltd
Priority to CN202220073496.5U priority Critical patent/CN217201907U/en
Application granted granted Critical
Publication of CN217201907U publication Critical patent/CN217201907U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The utility model discloses a bridge jacking jack stress surface adjusting device, include: the bottom plate, the top inboard of bottom plate is provided with first hydraulic stem, the inboard of constant head tank is provided with the snubber block, the top of bottom plate is provided with the reinforcement box, the top of reinforcement box is provided with the workstation, the output of second hydraulic stem is provided with the jacking board, the inboard symmetry that leads to the groove is provided with the baffle. The utility model discloses an install step motor at the top of bottom plate, electric putter work promotes the mill downstream and places the plane contact, step motor operation drives the mill rotation and polishes the processing to placing the plane, first hydraulic stem work drives connecting plate downstream, make the inboard downstream that removes the wheel and run through spacing mouthful prop up the bottom plate is whole, the slider is at the synchronous stability of constant head tank inboard removal when having guaranteed that the removal wheel removes, the carrier block supports the device with ground contact, good support performance has been guaranteed.

Description

Bridge jacking jack stress surface adjusting device
Technical Field
The utility model relates to a civil engineering technical field, more specifically say, the utility model relates to a bridge jacking jack stress surface adjusting device.
Background
Along with the rapid development of highway construction in China, particularly the development of large-scale highway construction for more than ten years, the highway construction method has remarkable performance, along with the increase of the service time of bridges, part of the supports of the bridges are aged or damaged, the existing highway enters the large and medium repair period, a considerable amount of bridges need to be repaired every year, and jacks are required to jack the bridge body during the construction of bridge support replacement, adjustment, beam body lifting, translation transformation and the like.
Current patent document with application number 201520347546.4 discloses a jacking device for bridge construction, including hydraulic telescoping device, base, the hydraulic telescoping device top is provided with the roof, and the roof is connected through rotatable pivot with the hydraulic telescoping device top, and the hydraulic telescoping device lower part passes through the rotation axis with the base to be connected, is provided with flexible bracing piece on the base, and the base bottom is provided with two at least adjustable landing legs. The utility model relates to a jacking device for bridge construction can carry out the jacking operation on hollow ground, can carry out inclination's jacking operation simultaneously. The fixing effect of the device on the bridge is poor, the bridge is inclined or even slips easily in the construction process, the device is inconvenient to move, large machinery is required to move the device to a specified position, the working efficiency is reduced, and the using requirement cannot be met. Therefore, there is a need to provide a bridge jacking jack stress surface adjusting device to at least partially solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.
For at least partly solve above-mentioned problem, the utility model provides a bridge jacking jack stress surface adjusting device, include: the bottom plate the constant head tank has been seted up on the both sides inner wall of bottom plate, the top inboard of bottom plate is provided with first hydraulic stem, the inboard of constant head tank is provided with the snubber block, the top of bottom plate is provided with the reinforcement box, the top of bottom plate is provided with step motor, step motor is located the inside of reinforcement box, the top of reinforcement box is provided with the workstation, the top of workstation is provided with the second hydraulic stem, the output of second hydraulic stem is provided with the jacking board, logical groove has been seted up at the top of jacking board, the inboard symmetry that leads to the groove is provided with the baffle.
According to the utility model discloses bridge jacking jack stress surface adjusting device, the bottom of bottom plate is provided with the carrier block, the bottom of carrier block is provided with the slipmat, the bottom of bottom plate is run through and is seted up spacing mouthful, the bottom central point of bottom plate puts and runs through and has seted up the flexible mouth.
According to the utility model discloses bridge jacking jack stress surface adjusting device, the output of first hydraulic stem is provided with the connecting plate, the both ends of connecting plate are provided with the slider, the slider is connected with the inboard gomphosis of constant head tank, and the slider is located the top of snubber block, the bottom of connecting plate is provided with the connecting rod, the inboard that spacing mouthful was run through to the bottom of connecting rod is provided with removes the wheel.
According to the utility model discloses bridge jacking jack stress surface adjusting device, the spout has been seted up on the both sides inner wall of snubber block, the inboard gomphosis of spout is provided with the slide, the bottom inboard of snubber block is provided with the spring, the top of spring is connected with the bottom of slide, the top of slide is provided with the bracing piece, the top of bracing piece is provided with the backup pad, the backup pad cooperatees with the slider.
According to the utility model discloses bridge jacking jack stress surface adjusting device, step motor's the top that the output runs through the bottom plate is provided with electric putter, electric putter's output is provided with the mill.
According to the utility model discloses bridge jacking jack stress surface adjusting device, the outside of second hydraulic stem is provided with the stiffener, the bottom of stiffener is connected with the top of workstation.
According to the utility model discloses bridge jacking jack stress surface adjusting device, the both sides of jacking board are provided with the lantern ring.
According to the utility model discloses bridge jacking jack stress surface adjusting device, the inboard that leads to the groove is provided with the threaded rod, the movable plate has been cup jointed in the outside of threaded rod, the opposite side of baffle is provided with biaxial motor, the one end of threaded rod runs through the baffle and is connected with biaxial motor's output, be provided with the bearing on the inner wall that leads to the groove, the other end and the bearing of threaded rod are connected, the shifting chute has been seted up on the both sides inner wall that leads to the groove, the inboard at the shifting chute is installed to the movable plate gomphosis, the top of movable plate is provided with the grip block, the inboard of grip block is provided with and presss from both sides tight pad.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
1. the utility model provides a bridge jacking jack stress surface adjusting device, which is characterized in that a stepping motor is arranged on the top of a bottom plate, an electric push rod works to push a millstone to move downwards to contact with a placing plane, the running of the stepping motor drives the millstone to rotate to polish the placing plane, a first hydraulic rod works to drive a connecting plate to move downwards, make to remove the inboard downstream that the wheel runs through spacing mouthful prop up the bottom plate is whole, the slider removes the synchronous stability when having guaranteed to remove the wheel and remove in the constant head tank inboard, and the first hydraulic stem shrink will remove the wheel and accomodate to the bottom plate inside after removing the completion, and the carrier block supports the device with ground contact, has guaranteed good support performance, has avoided the long-time contact of bottom plate and ground to cause the damage to it, has prolonged adjusting device's life.
2. The utility model provides a bridge jacking jack stress surface adjusting device, logical groove has been seted up through the top at the jacking board to this bridge jacking jack stress surface adjusting device, the grip block is installed at the top of movable plate, the operation of biax motor drives the threaded rod and rotates, the threaded rod rotates and drives the movable plate and remove in the shifting chute inboard, make the grip block remove to close direction and carry out the centre gripping to the bridge both sides, the dangerous accident of bridge slope or even landing has been avoided appearing in the work progress, press from both sides tight pad and increased the frictional force between grip block and the bridge, the clamping stability has been guaranteed, the security performance when using has been improved, and the user demands are satisfied.
Bridge jacking jack stress surface adjusting device, other advantages, targets and characteristics of the utility model will be embodied in part through the following description, and the part will still be through right the utility model discloses a research and practice are that technical personnel in the field understand.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the front internal structure of the middle bottom plate of the present invention;
FIG. 3 is a schematic view of the internal structure of the middle damper block of the present invention;
FIG. 4 is a schematic side view of the inner structure of the middle bottom plate of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the double-shaft motor of the present invention;
fig. 6 is a schematic view of the internal structure of the through groove of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example one
Please refer to fig. 1, fig. 2 and fig. 4, the utility model provides a bridge jacking jack stress surface adjusting device, including bottom plate 1, constant head tank 103 and first hydraulic stem 2, bearing block 101 is installed to the bottom of bottom plate 1, non slipping pad 102 is installed to the bottom of bearing block 101, constant head tank 103 has been seted up on the both sides inner wall of bottom plate 1, spacing mouth 104 has been seted up in bottom of bottom plate 1 through running through, telescopic mouth 105 has been seted up in bottom central point of bottom plate 1 through running through, bearing block 101 supports the device with ground contact, good support performance has been guaranteed, avoid bottom plate 1 and ground long-time contact to cause the damage to it, adjusting device's life has been prolonged, constant head tank 103 has provided the mounted position for snubber block 3, spacing mouth 104 has guaranteed moving wheel 204's normal use;
the grinding disc 403 penetrates through the inner side of the telescopic opening 105 to move downwards, a first hydraulic rod 2 is installed on the inner side of the top of the bottom plate 1, a connecting plate 201 is installed at the output end of the first hydraulic rod 2, sliding blocks 202 are installed at two ends of the connecting plate 201, the sliding blocks 202 are connected with the positioning groove 103 in an embedded mode, the sliding blocks 202 are located above the shock absorption blocks 3, a connecting rod 203 is installed at the bottom of the connecting plate 201, a moving wheel 204 is installed at the bottom end of the connecting rod 203, the bottom end of the connecting rod 203 penetrates through the inner side of the limiting opening 104, the first hydraulic rod 2 works to drive the connecting plate 201 to move downwards, the moving wheel 204 penetrates through the inner side of the limiting opening 104 to move downwards to support the whole bottom plate 1, the sliding blocks 202 move inside the positioning groove 103 to guarantee the synchronous stability of the moving wheel 204 when the moving wheel 204 moves, and the position of the adjusting device is moved and the first hydraulic rod 2 contracts to store the moving wheel 204 inside the bottom plate 1.
Example two
Referring to fig. 1, 2, 3 and 4, a bridge jacking jack stress surface adjusting device comprises a damping block 3, a reinforcing box 4 and a workbench 5, wherein the damping block 3 is installed on the inner side of a positioning groove 103, sliding grooves 301 are formed on the inner walls of two sides of the damping block 3, sliding plates 302 are embedded on the inner sides of the sliding grooves 301, springs 303 are installed on the inner sides of the bottoms of the damping blocks 3, and the top end of the spring 303 is connected with the bottom of the sliding plate 302, the top of the sliding plate 302 is provided with a support rod 304, the top end of the support rod 304 is provided with a support plate 305, the supporting plate 305 is matched with the sliding block 202, the shock absorption block 3 absorbs the impact force of the sliding block 202 when colliding with the sliding block when moving, the sliding block 202 is in contact with the supporting plate 305 to enable the sliding plate 302 to move on the inner side of the sliding groove 301 to extrude the spring 303, the spring 303 absorbs the impact force, the impact shake of the connecting plate 201 when moving is reduced, and the service life is prolonged;
the top of the bottom plate 1 is provided with a reinforcing box 4, the top of the bottom plate 1 is provided with a stepping motor 401, the stepping motor 401 is positioned in the reinforcing box 4, the output end of the stepping motor 401 penetrates through the top of the bottom plate 1 and is provided with an electric push rod 402, and the output end of the electric push rod 402 is provided with a grinding disc 403;
workstation 5 is installed at the top of reinforcement box 4, second hydraulic stem 501 is installed at the top of workstation 5, stiffener 502 is installed in second hydraulic stem 501's the outside, and the bottom of stiffener 502 is connected with the top of workstation 5, when reinforcement box 4 supports workstation 5 protect step motor 401, electric putter 402 work promotes mill 403 downstream and places the plane contact, step motor 401 moves and drives mill 403 rotation and polish the processing to placing the plane, second hydraulic stem 501 work drives jacking plate 6 and carries out the ascending regulation in the vertical direction, stiffener 502 has improved the stability of second hydraulic stem 501 during operation.
EXAMPLE III
Referring to fig. 1, 5 and 6, a force-bearing surface adjusting device for a bridge jacking jack comprises a jacking plate 6, a partition plate 7 and a double-shaft motor 701, wherein the jacking plate 6 is installed at the output end of a second hydraulic rod 501, a through groove 601 is formed in the top of the jacking plate 6, lantern rings 602 are installed on two sides of the jacking plate 6, the jacking plate 6 supports a bridge, the through groove 601 provides an installation position for the partition plate 7, the lantern rings 602 are used for assisting in fixing the bridge, the partition plate 7 is symmetrically installed on the inner side of the through groove 601, a threaded rod 703 is installed on the inner side of the through groove 601, a moving plate 704 is sleeved on the outer side of the threaded rod 703, the double-shaft motor 701 is installed on the opposite side of the partition plate 7, one end of the threaded rod 703 penetrates through the partition plate 7 and is connected with the output end of the double-shaft motor 701, a bearing 705 is installed on the inner wall of the through groove 601, the other end of the threaded rod 703 is connected with the bearing 705, moving grooves 702 are formed on the inner walls of two sides of the through groove 601, the moving plate 704 is embedded and installed on the inner side of the moving groove 702, the clamping plate 706 is installed on the top of the moving plate 704, and the clamping pad 707 is installed on the inner side of the clamping plate 706;
the baffle 7 guarantees the stability of biax motor 701 when providing the mounted position for biax motor 701, biax motor 701 moves and drives threaded rod 703 and rotates, threaded rod 703 rotates and drives movable plate 704 and removes at the moving groove 702 inboard, make grip block 706 remove to similar direction and carry out the centre gripping to the bridge both sides, the dangerous accident of bridge slope or even landing has been avoided appearing in the work progress, bearing 705 has guaranteed the gyration precision when having reduced threaded rod 703 coefficient of rotational friction, clamping pad 707 has increased the frictional force between grip block 706 and the bridge, the clamping stability has been guaranteed, the security performance when having improved the use.
The working principle is as follows: when the device is used, firstly, the adjusting device is placed at a pier through large-scale mechanical equipment, the bearing block 101 is contacted with the ground to support the device, the electric push rod 402 works to push the grinding disc 403 to move downwards to be contacted with a placing plane, the stepping motor 401 operates to drive the grinding disc 403 to rotate to polish the placing plane, the first hydraulic rod 2 works to drive the connecting plate 201 to move downwards, so that the moving wheel 204 penetrates through the inner side of the limiting port 104 to move downwards to support the whole bottom plate 1, the sliding block 202 is contacted with the supporting plate 305, so that the sliding plate 302 moves at the inner side of the sliding groove 301 to extrude the spring 303, the spring 303 buffers impact force, reduces impact shaking when the connecting plate 201 moves, the device is moved to the polished plane, the first hydraulic rod 2 contracts to accommodate the moving wheel 204 into the bottom plate 1, and the second hydraulic rod 501 works to drive the jacking plate 6 to perform vertical adjustment, the operation of biax motor 701 drives threaded rod 703 and rotates, and threaded rod 703 rotates and drives movable plate 704 and remove in shifting chute 702 inboard for grip block 706 removes to close direction and carries out the centre gripping to the bridge both sides, and what this bridge jacking jack stress surface adjusting device can stabilize carries out the centre gripping to the construction bridge, has improved the security performance when using, and it is more convenient to remove, has alleviateed staff's intensity of labour, has strengthened practicality.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a bridge jacking jack stress surface adjusting device which characterized in that includes: the bottom plate (1), constant head tank (103) have been seted up on the both sides inner wall of bottom plate (1), the top inboard of bottom plate (1) is provided with first hydraulic stem (2), the inboard of constant head tank (103) is provided with snubber block (3), the top of bottom plate (1) is provided with reinforcement box (4), the top of bottom plate (1) is provided with step motor (401), step motor (401) are located the inside of reinforcement box (4), the top of reinforcement box (4) is provided with workstation (5), the top of workstation (5) is provided with second hydraulic stem (501), the output of second hydraulic stem (501) is provided with jacking plate (6), logical groove (601) have been seted up at the top of jacking plate (6), the inboard symmetry that leads to groove (601) is provided with baffle (7).
2. The bridge jacking jack stress surface adjusting device according to claim 1, wherein a bearing block (101) is arranged at the bottom of the bottom plate (1), an anti-skid pad (102) is arranged at the bottom end of the bearing block (101), a limiting opening (104) is formed in the bottom of the bottom plate (1) in a penetrating manner, and a telescopic opening (105) is formed in the center of the bottom plate (1) in a penetrating manner.
3. The bridge jacking jack stress surface adjusting device according to claim 1, wherein the output end of the first hydraulic rod (2) is provided with a connecting plate (201), two ends of the connecting plate (201) are provided with sliders (202), the sliders (202) are connected with the inner sides of the positioning grooves (103) in an embedded mode, the sliders (202) are located above the shock absorption blocks (3), the bottom of the connecting plate (201) is provided with a connecting rod (203), and the bottom end of the connecting rod (203) penetrates through the inner side of the limiting opening (104) and is provided with a movable wheel (204).
4. The adjusting device for the stress surface of the bridge jacking jack according to claim 1, wherein sliding grooves (301) are formed in the inner walls of two sides of the damping block (3), sliding plates (302) are embedded in the inner sides of the sliding grooves (301), springs (303) are arranged on the inner sides of the bottoms of the damping blocks (3), the top ends of the springs (303) are connected with the bottoms of the sliding plates (302), supporting rods (304) are arranged on the tops of the sliding plates (302), supporting plates (305) are arranged on the top ends of the supporting rods (304), and the supporting plates (305) are matched with the sliding blocks (202).
5. The bridge jacking jack stress surface adjusting device according to claim 1, wherein an output end of the stepping motor (401) penetrates through the top of the bottom plate (1) to be provided with an electric push rod (402), and an output end of the electric push rod (402) is provided with a grinding disc (403).
6. The device for adjusting the stress surface of the bridge jacking jack according to claim 1, wherein a reinforcing rod (502) is arranged on the outer side of the second hydraulic rod (501), and the bottom end of the reinforcing rod (502) is connected with the top of the workbench (5).
7. The device for adjusting the stress surface of a bridge jacking jack according to claim 1, wherein collars (602) are arranged on two sides of the jacking plate (6).
8. The device for adjusting the stress surface of a bridge jacking jack according to claim 1, a threaded rod (703) is arranged on the inner side of the through groove (601), a moving plate (704) is sleeved on the outer side of the threaded rod (703), a double-shaft motor (701) is arranged on the opposite side of the partition plate (7), one end of the threaded rod (703) penetrates through the partition plate (7) and is connected with the output end of the double-shaft motor (701), a bearing (705) is arranged on the inner wall of the through groove (601), the other end of the threaded rod (703) is connected with the bearing (705), the inner walls of the two sides of the through groove (601) are provided with a moving groove (702), the moving plate (704) is embedded and installed at the inner side of the moving groove (702), the top of the moving plate (704) is provided with a clamping plate (706), and the inner side of the clamping plate (706) is provided with a clamping pad (707).
CN202220073496.5U 2022-01-12 2022-01-12 Bridge jacking jack stress surface adjusting device Active CN217201907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220073496.5U CN217201907U (en) 2022-01-12 2022-01-12 Bridge jacking jack stress surface adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220073496.5U CN217201907U (en) 2022-01-12 2022-01-12 Bridge jacking jack stress surface adjusting device

Publications (1)

Publication Number Publication Date
CN217201907U true CN217201907U (en) 2022-08-16

Family

ID=82790217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220073496.5U Active CN217201907U (en) 2022-01-12 2022-01-12 Bridge jacking jack stress surface adjusting device

Country Status (1)

Country Link
CN (1) CN217201907U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498862A (en) * 2023-04-23 2023-07-28 江苏合源纺织科技有限公司 Supporting frame for fiber spinning machine and use method thereof
CN116591064A (en) * 2023-05-29 2023-08-15 中交一公局厦门工程有限公司 Prefabricated box girder pushing device and pushing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498862A (en) * 2023-04-23 2023-07-28 江苏合源纺织科技有限公司 Supporting frame for fiber spinning machine and use method thereof
CN116591064A (en) * 2023-05-29 2023-08-15 中交一公局厦门工程有限公司 Prefabricated box girder pushing device and pushing method
CN116591064B (en) * 2023-05-29 2024-03-15 中交一公局厦门工程有限公司 Prefabricated box girder pushing device and pushing method

Similar Documents

Publication Publication Date Title
CN217201907U (en) Bridge jacking jack stress surface adjusting device
CN111604812B (en) Grinding device is used in fastener production
CN209428038U (en) A kind of auxiliary device based on marine ship fitting-out
CN114178922A (en) A grinding machanism for electric tricycle processing
CN214273057U (en) Assembled building construction strutting arrangement
CN209895663U (en) Tourism management teaching is with removing sand table
CN215107133U (en) Remove scaffold frame convenient to it is fixed
CN215402837U (en) Adjustable support is used in a tower section of thick bamboo transportation
CN215949011U (en) Safety support device for building engineering
CN215044630U (en) Intelligent logistics tray with intelligent chip provided with damping and buffering structure
CN115872315A (en) Multipurpose fast carrying and mounting lifting platform
CN221051475U (en) Subway tuber pipe crane span structure installation removes elevating gear
CN220007375U (en) High-speed rotation shockproof balancing device for diamond roller
CN213004486U (en) Machine parts is with burnishing and polishing lathe
CN221397036U (en) Crane supporting structure
CN220954497U (en) Movable building scaffold
CN221338082U (en) Polishing equipment with self-lifting function
CN213806464U (en) Construction scaffold frame that can fast assembly
CN216949652U (en) Civil engineering strutting arrangement
CN218800443U (en) Drilling and milling machine
CN221250392U (en) Wheel support for automobile
CN220813477U (en) Hanging basket for wider bridge construction
CN219142433U (en) Horizontal static load test device of cable junction box
CN212445428U (en) Cutting device is used in flower frame processing
CN216664941U (en) Storage device for construction ladder

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant