CN212742498U - Road bed tamping equipment for highway construction - Google Patents

Road bed tamping equipment for highway construction Download PDF

Info

Publication number
CN212742498U
CN212742498U CN202021084206.4U CN202021084206U CN212742498U CN 212742498 U CN212742498 U CN 212742498U CN 202021084206 U CN202021084206 U CN 202021084206U CN 212742498 U CN212742498 U CN 212742498U
Authority
CN
China
Prior art keywords
impact
battering ram
base plate
wall
sleeve
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
CN202021084206.4U
Other languages
Chinese (zh)
Inventor
王伟
林启发
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.)
Ningxia Shandao Shanhe Construction Engineering Co ltd
Original Assignee
China Land Port Ningxia Construction Engineering 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 China Land Port Ningxia Construction Engineering Co ltd filed Critical China Land Port Ningxia Construction Engineering Co ltd
Priority to CN202021084206.4U priority Critical patent/CN212742498U/en
Application granted granted Critical
Publication of CN212742498U publication Critical patent/CN212742498U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The utility model discloses a road bed tamping equipment for highway construction, including battering ram bottom plate and battering ram frame, the parallel downside at the battering ram frame is installed to the battering ram bottom plate, all be connected with the slow compression spring between battering ram bottom plate and the battering ram frame four corners department, all be connected with connection protector on the both ends outer wall about battering ram bottom plate and the battering ram frame are close to the front and back both sides, all increase a neotype connection protector on the both ends outer wall about battering ram bottom plate and the battering ram frame are close to the front and back both sides through the battering ram bottom plate of this road bed tamping equipment for highway construction, this neotype connection protector can drive the battering ram bottom plate through the impact shaft and can play restriction and guard action to the range of vibrations together with the slow compression spring when subaerial tamping operation through the vibrations of impact to guarantee that the battering ram bottom plate can keep tamping operation vibrations in the range of a safety in battering ram frame bottom .

Description

Road bed tamping equipment for highway construction
Technical Field
The utility model belongs to the technical field of the rammer is relevant, concretely relates to road bed rammer compaction equipment for highway construction.
Background
Tamp, the rammer, or the rammer, originally when building the house tamp with hard matters such as stone with the manpower mode to the ground, cooperation completion work more than two people usually, and the work of tamping the ground at present is in order to change into mechanical tamping, also called the electric rammer, and the rammer is a machinery that is used for tamping the road surface, flattens, tamps the ground when being used for the construction more, and the rammer divides two kinds: the utility model provides a road surface rammer, a road surface breaker, road surface breaker is the great machinery of market demand ratio in recent years, and its utilizes impact and impact vibration effect layering tamp the compaction machinery of backfill soil, also can utilize simultaneously impact and impact vibration effect layering to carry out the road surface breakage to the road surface for the repairment of ditching, old road surface is maintained.
The existing roadbed tamping equipment technology for highway construction has the following problems: the existing roadbed tamping equipment for highway construction, in particular to small-sized tamping equipment, drives an impact mechanism inside the roadbed tamping equipment to work through an impact motor on a base of a tamper, then synchronously drives a base plate of the tamper to perform impact vibration through an impact shaft, the base plate of the tamper can tamp the ground during the impact vibration, and is influenced by the ground condition and the using time, so that the impact vibration amplitude exceeding a safe range is easily generated on the base plate of the tamper driven by the impact shaft, once the impact vibration amplitude of the base plate of the tamper exceeds the safe range, a buffer spring connected with the base of the tamper is easily damaged, meanwhile, the condition of derailment between the base plate of the tamper and the impact shaft is easily generated, and the condition can influence the use stability and the use safety of the whole tamping equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a road bed tamping equipment for highway construction to the influence when receiving ground situation influence and using that proposes in solving above-mentioned background art, the impact vibration range that surpasss the safety range appears in the impact ramming bottom plate that causes the impact shaft to drive easily, in case the impact vibration range of impact ramming bottom plate surpasss the safety range not only damages easily to the slow-pressure spring of being connected with the impact ramming machine seat, also can cause the problem that produces the derailment between impact ramming bottom plate and the impact shaft easily simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a road bed tamping equipment for highway construction, includes battering ram bottom plate and battering ram frame, the parallel downside at the battering ram frame is installed to the battering ram bottom plate, all be connected with the slow-pressure spring between battering ram bottom plate and the battering ram frame four corners department, all be connected with connection protector on the both ends outer wall about battering ram bottom plate and the battering ram frame are close to the front and back both sides, be provided with the tamping motor on the battering ram frame upper end outer wall, the front end of tamping motor is provided with the transmission cover, the vertical inside of battering ram frame runs through the impact shaft that has stretched out downwards, be provided with the ascending adapter sleeve of opening on the outer wall of battering ram upper end center department, the lower extreme setting of impact shaft is inside the circumference of adapter sleeve, impact shaft and adapter sleeve pass through bolt fixed connection, the tamping motor passes through external power source electric connection, connection protector includes installation piece down, The connecting rod, the upper mounting block, the connecting protective sleeve, the limiting shaft rod and the fixing bolt are connected to the lower mounting block and the upper mounting block through bolts respectively, the upper end of the lower mounting block is provided with the connecting protective sleeve, the limiting shaft rod penetrates through the transverse inner portion of the connecting protective sleeve, vertical connecting rod rods are arranged on the outer walls of the upper ends of the two sides of the lower mounting block respectively, the top ends of the two connecting rod rods are arranged at the outer portions of the two ends of the limiting shaft rod respectively, and the two connecting rod rods and the limiting shaft rod are fixedly connected through the fixing bolt.
Preferably, the upper ends of the left side and the right side of the impact tamper base are provided with U-shaped frames with downward openings, the lower ends of the two sides of the openings of the U-shaped frames are connected with fixing pieces, the fixing pieces are connected to the outer walls of the upper ends of the front side and the rear side of the impact tamper base respectively through bolts, the outer portions of the U-shaped frames are sleeved with cover plates, and the cover plates are fixedly connected with the two U-shaped frames through screws.
Preferably, the impact tamper base is provided with a connecting base on the outer wall close to the rear end of the upper side, the other end of the connecting base is connected with a push-pull column through a rotating shaft, the other end of the push-pull column is connected with a hand sleeve, and the connecting base is fixedly connected with the impact tamper base through welding.
Preferably, the bottom of the impact tamper base and the outer wall of the upper end of the impact tamper bottom plate are kept in a relatively parallel state, and the length and the elastic coefficient of a pressure relief spring connected between the impact tamper base and the four corners of the impact tamper bottom plate are the same.
Preferably, the outer walls of the two ends of the connecting and protecting sleeve are not in contact with the inner walls of the two connecting rods, the connecting and protecting sleeve is of a cylindrical structure, and the diameter of the inner circumference of the connecting and protecting sleeve is four times that of the outer circumference of the limiting shaft rod.
Preferably, a bayonet lock and a pin groove are respectively arranged on the circumferential outer wall on one side of the lower end of the impact shaft and the circumferential inner wall on one side of the connecting sleeve, the bayonet lock can be completely embedded in the pin groove, and the impact shaft can be prevented from deflecting in the connecting sleeve after the bayonet lock is embedded in the pin groove.
Compared with the prior art, the utility model provides a road bed tamping equipment for highway construction possesses following beneficial effect:
1. the utility model adds a novel connecting and protecting device on the outer walls of the left and right ends of the impact tamper base plate and the impact tamper base close to the front and back sides of the road bed tamping equipment for road construction, the novel connection protection device can prevent the situation that the bottom plate of the impact tamper connected through the impact shaft is loosened and separated from the seat of the impact tamper due to larger vibration during working, the novel connection protection device can limit and protect the impact vibration amplitude together with the pressure relief spring when the impact tamper base plate is driven by the impact shaft to tamp on the ground through impact vibration, therefore, the tamping operation of the base plate of the impact tamper in a safe impact vibration range at the bottom of the base of the impact tamper is ensured, and the service life and the service stability of the whole roadbed tamping equipment for highway construction are prolonged;
2. the utility model discloses a connect protection device's concrete mounting means and principle as follows, use a connection protection device as an example with the installation, at first need install respectively on the left end outer wall of battering ram frame and battering ram bottom plate installation piece vertical symmetry last installation piece and down, and two connecting rod poles on installation piece upper end outer wall then symmetry respectively outside at the connection lag both sides on last installation piece down this moment, only need transversely insert inside connection lag center department the restriction axostylus axostyle this moment, then all pass through fixing bolt respectively with two connecting rod pole fixed connection the both ends of restriction axostylus axostyle, and the circumference internal diameter of connecting the lag is the quadruple of restriction axostylus axostyle circumference outer wall diameter, when the battering ram frame drives battering ram bottom plate shock vibrations through the impact shaft and tamp the operation to ground like this, the shock ram bottom plate can not make restriction axostylus axostyle circumference outer wall and the circumference inner wall of being connected the lag connect the The connection protection device can not influence the normal tamping work of the whole roadbed tamping equipment for highway construction, when the range of the impact vibration of the impact tamper base plate driven by the impact shaft is larger than the safety range, at the moment, the circumferential outer wall of the limiting shaft lever is driven by the impact and vibration direction to be attached to the inner wall of one side of the connecting and protecting sleeve, at the moment, the connecting and protecting sleeve limits the limiting shaft lever in the connecting and protecting sleeve, thereby preventing the limiting shaft lever from moving outwards continuously, and because the whole connecting and protecting device is connected on the outer wall of one side of the impact tamper base plate and the impact tamper base plate, therefore, when the limiting shaft lever is blocked inside the connecting protective sleeve, the impact vibration range of the impact tamper base plate can be synchronously prevented from exceeding the safety range, therefore, the bottom plate of the impact tamper is limited, so that the bottom plate of the impact tamper can only impact and vibrate in a safe range to tamp the ground.
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, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic three-dimensional structure diagram of a roadbed tamping device for highway construction, which is provided by the utility model;
fig. 2 is a schematic plan structure view of a roadbed tamping device for highway construction provided by the utility model;
fig. 3 is a schematic view of a three-dimensional structure of the connection protection device provided by the present invention;
in the figure: 1. impacting a base plate of the tamper; 2. a battering ram base; 3. connecting a protection device; 4. connecting sleeves; 5. a pressure relief spring; 6. a fixing sheet; 7. a U-shaped frame; 8. a cover plate; 9. a tamping motor; 10. a transmission cover; 11. a connecting seat; 12. pushing and pulling the column; 13. a handrail sleeve; 14. an impact shaft; 15. a lower mounting block; 16. connecting the rods; 17. an upper mounting block; 18. connecting a protective sleeve; 19. a restraining shaft; 20. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a roadbed tamping device for highway construction comprises a base plate 1 of a battering ram and a base plate 2 of the battering ram, wherein the base plate 1 of the battering ram is arranged at the parallel lower side of the base plate 2 of the battering ram, the bottom of the base plate 2 of the battering ram and the outer wall of the upper end of the base plate 1 of the battering ram are kept in a relatively parallel state, the length and the elastic coefficient of a pressure-reducing spring 5 connected between the base plate 2 of the battering ram and the four corners of the base plate 1 of the battering ram are the same, the pressure-reducing spring 5 can be connected with the base plate 2 of the battering ram and the base plate 1 of the battering ram, the transmission can be more stable and efficient when the base plate 2 of the battering ram drives the base plate 1 of the battering ram to perform battering shock, so as to increase the tamping efficiency, the pressure-reducing springs 5 are connected, the outer wall of the upper end of the impact tamper base plate 2 is provided with the tamper motor 9, the front end of the tamper motor 9 is provided with the transmission cover 10, the impact shaft 14 which extends downwards penetrates through the vertical inner part of the impact tamper base plate 2, the outer wall of the center of the upper end of the impact tamper base plate 1 is provided with the connecting sleeve 4 with an upward opening, the lowest end of the impact shaft 14 is arranged inside the circumference of the connecting sleeve 4, the outer wall of the circumference of one side of the lower end of the impact shaft 14 and the inner wall of the circumference of one side of the connecting sleeve 4 are respectively provided with the bayonet lock and the pin groove, the bayonet lock can be completely embedded inside the pin groove, the bayonet lock can prevent the impact shaft 14 from deflecting inside the connecting sleeve 4 after being embedded inside the pin groove, so that the bottom of the impact shaft 14 can be quickly and accurately inserted into the connecting sleeve 4 through the bayonet lock, and, the impact shaft 14 and the connecting sleeve 4 are fixedly connected through bolts, the tamping motor 9 is electrically connected through an external power supply, the outer wall of the rear end of the impact rammer base 2 close to the upper side is provided with a connecting base 11, the other end of the connecting base 11 is connected with a push-pull column 12 through a rotating shaft, the other end of the push-pull column 12 is connected with a hand sleeve 13, the connecting base 11 and the impact rammer base 2 are fixedly connected through welding, the upper ends of the left side and the right side of the impact rammer base 2 are respectively provided with a U-shaped frame 7 with a downward opening, the lower ends of the two openings of the two U-shaped frames 7 are respectively connected with fixing pieces 6, the two fixing pieces 6 are respectively connected to the outer walls of the upper ends of the front side and the rear side of the impact rammer base 2 through bolts, the outer parts of the two U-shaped frames 7 are sleeved with cover plates 8, the cover plates 8 and, and the cover plate 8 can also play a role in protecting the compaction motor 9, so that foreign objects are prevented from directly impacting the compaction motor 9 to protect the compaction motor.
A roadbed tamping device for highway construction is disclosed, a connection protection device 3 comprises a lower mounting block 15, connecting rods 16, an upper mounting block 17, a connection protection sleeve 18, a limiting shaft lever 19 and a fixing bolt 20, wherein the lower mounting block 15 and the upper mounting block 17 are respectively connected to the outer walls of one sides of a battering ram base plate 1 and a battering ram base plate 2 through bolts, the upper end of the lower mounting block 15 is provided with the connection protection sleeve 18, the horizontal inner part of the connection protection sleeve 18 penetrates through the limiting shaft lever 19, the outer walls of the upper ends of two sides of the lower mounting block 15 are respectively provided with a vertical connecting rod 16, the top ends of the two connecting rods 16 are respectively arranged outside two ends of the limiting shaft lever 19, the two connecting rods 16 and the limiting shaft lever 19 are fixedly connected through the fixing bolt 20, the outer walls of two ends of the connection protection sleeve 18 are not in contact with the inner walls of the two connecting rods 16, the connection protection sleeve 18 is of a cylindrical structure, the circumference inner diameter of the connection protection sleeve 18, when the impact tamper base plate 2 drives the impact tamper base plate 1 to perform impact vibration through the impact shaft 14 to tamp the ground, the impact vibration amplitude of the impact tamper base plate 1 in the safety range does not cause the circumferential outer wall of the limiting shaft rod 19 to contact with the circumferential inner wall of the connecting protective sleeve 18, so that the connecting protective device 3 does not affect the normal tamping work of the roadbed tamping equipment for the whole highway construction, and when the impact tamper base plate 1 is driven by the impact shaft 14 to perform impact vibration in a range larger than the safety range, the circumferential outer wall of the limiting shaft rod 19 is driven by the impact vibration direction to be attached to the inner wall of one side of the connecting protective sleeve 18, the connecting protective sleeve 18 limits the limiting shaft rod 19 in the connecting protective sleeve 18, so as to prevent the limiting shaft rod 19 from moving outwards, and because the whole connecting protective device 3 is connected to the outer wall of one side of the impact tamper base plate 2 and the impact tamper base plate 1, therefore, when the limiting shaft 19 is blocked inside the connecting protective sleeve 18, the impact vibration range of the tamper base plate 1 is synchronously prevented from exceeding the safety range, so that the tamper base plate 1 is limited, and the tamper base plate 1 can only impact vibration within the safety range to tamper the ground.
The utility model discloses a theory of operation and use flow: the utility model discloses after having installed, when this road bed tamping equipment for road construction is used in the installation, at first need insert 4 inside the adapter sleeve on the battering ram bottom plate 1 to the impact shaft 14 on the battering ram frame 2, then through special bolt give firm lock death in adapter sleeve 4 the impact shaft 14 bottom and fix inside, thereby make battering ram bottom plate 1 can be by firm parallel downside of installing in battering ram frame 2, then need be connected tamping motor 9 on the battering ram frame 2 with external power source through the electric wire, and the model that tamping motor 9 adopted is: GB755-2003, then only need carry whole road bed for road construction tamping equipment to needs tamped ground when using, the battering ram bottom plate 1 bottom is then laminated on ground this moment, then the user grasps hand sleeve 13 on the push-pull post 12, then open tamping motor 9 through control switch, tamping motor 9 can drive battering ram bottom plate 1 through impact shaft 14 and carry out the shock vibration on ground when working, battering ram bottom plate 1 carries out the shock vibration then can carry out the tamping operation to ground in the safety range, then slowly remove whole road bed for road construction tamping equipment for whole road construction and carry out comprehensive tamping operation to the ground that needs tamp.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a road bed tamping equipment for highway construction, includes battering ram bottom plate (1) and battering ram frame (2), its characterized in that: the improved multifunctional impact tamper is characterized in that the impact tamper base plate (1) is installed on the parallel lower side of the impact tamper base plate (2), a pressure relief spring (5) is connected between the four corners of the impact tamper base plate (1) and the impact tamper base plate (2), the impact tamper base plate (1) and the impact tamper base plate (2) are close to the outer walls of the left end and the right end of the front side and the rear side and are connected with connection protection devices (3), a tamping motor (9) is arranged on the outer wall of the upper end of the impact tamper base plate (2), a transmission cover (10) is arranged at the front end of the tamping motor (9), an impact shaft (14) extending downwards penetrates through the vertical inner part of the impact tamper base plate (2), a connecting sleeve (4) with an upward opening is arranged on the outer wall of the center of the upper end of the impact tamper base plate (1), the lowest end of the impact shaft (14) is arranged inside the circumference of the connecting sleeve (, the compaction motor (9) is electrically connected through an external power supply, the connection protection device (3) comprises a lower mounting block (15), a connecting bar rod (16), an upper mounting block (17), a connection protection sleeve (18), a limiting shaft lever (19) and a fixing bolt (20), the lower mounting block (15) and the upper mounting block (17) are respectively connected on the outer walls of one sides of the battering ram base plate (1) and the battering ram base plate (2) through bolts, a connecting protective sleeve (18) is arranged at the upper end of the lower mounting block (15), a limiting shaft lever (19) penetrates through the transverse inner part of the connecting protective sleeve (18), the upper end outer walls of two sides of the lower mounting block (15) are respectively provided with a vertical connecting bar (16), the top ends of the two connecting bars (16) are respectively arranged at the outer parts of two ends of the limiting shaft lever (19), and the two connecting bars (16) are fixedly connected with the limiting shaft lever (19) through fixing bolts (20).
2. The roadbed ramming device for highway construction according to claim 1, wherein: battering ram frame (2) left and right sides upper end all is provided with U type frame (7) that open side down, two U type frame (7) opening both sides lower extreme all is connected with stationary blade (6), two stationary blade (6) all connect respectively on battering ram frame (2) are close to front and back both sides upper end outer wall through the bolt, two U type frame (7) outside has cup jointed cover plate (8), all through screw fixed connection between cover plate (8) and two U type frames (7).
3. The roadbed ramming device for highway construction according to claim 1, wherein: the battering ram machine base (2) is provided with connecting seat (11) on being close to the upper side rear end outer wall, the other one end of connecting seat (11) is connected with through the pivot and pushes away and draws post (12), the other one end of pushing away and drawing post (12) is connected with hand cover (13), connecting seat (11) and battering ram machine base (2) are through welded fastening connection.
4. The roadbed ramming device for highway construction according to claim 1, wherein: the bottom of the impact rammer base (2) and the outer wall of the upper end of the impact rammer base plate (1) are kept in a relatively parallel state, and the length and the elastic coefficient of a pressure-relieving spring (5) connected between the impact rammer base (2) and the four corners of the impact rammer base plate (1) are the same.
5. The roadbed ramming device for highway construction according to claim 1, wherein: the outer walls of the two ends of the connecting and protecting sleeve (18) are not in contact with the inner walls of the two connecting rods (16), the connecting and protecting sleeve (18) is of a cylindrical structure, and the inner diameter of the circumference of the connecting and protecting sleeve (18) is four times of the diameter of the outer wall of the circumference of the limiting shaft rod (19).
6. The roadbed ramming device for highway construction according to claim 1, wherein: be provided with bayonet lock and cotter way on the circumference outer wall of impact shaft (14) lower extreme one side and on the circumference inner wall of adapter sleeve (4) one side respectively, the inside at the cotter way of embedded that the bayonet lock can be complete, the bayonet lock is embedded can prevent impact shaft (14) to produce after the cotter way is inside and deflect in the inside of adapter sleeve (4).
CN202021084206.4U 2020-06-12 2020-06-12 Road bed tamping equipment for highway construction Active CN212742498U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021084206.4U CN212742498U (en) 2020-06-12 2020-06-12 Road bed tamping equipment for highway construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021084206.4U CN212742498U (en) 2020-06-12 2020-06-12 Road bed tamping equipment for highway construction

Publications (1)

Publication Number Publication Date
CN212742498U true CN212742498U (en) 2021-03-19

Family

ID=75008063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021084206.4U Active CN212742498U (en) 2020-06-12 2020-06-12 Road bed tamping equipment for highway construction

Country Status (1)

Country Link
CN (1) CN212742498U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113355983A (en) * 2021-06-29 2021-09-07 中国十九冶集团有限公司 Compacting method and compacting equipment for new and old road lapped roadbeds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113355983A (en) * 2021-06-29 2021-09-07 中国十九冶集团有限公司 Compacting method and compacting equipment for new and old road lapped roadbeds

Similar Documents

Publication Publication Date Title
CN212742498U (en) Road bed tamping equipment for highway construction
CN111501511B (en) Road surface caking earth breaker for municipal administration
CN111305205A (en) Working method of piling device for road construction
CN212656573U (en) Vibrating equipment for corundum wear-resistant floor pouring
CN214833027U (en) Breaking hammer
CN212317644U (en) Town road foundation ditch safety device
CN209114324U (en) A kind of road and bridge protective fence
CN213836612U (en) Tamping tool combined with excavator
CN220433605U (en) Foundation leveling ramming device
CN218375469U (en) Mechanical construction safety device
CN207143912U (en) A kind of vertical ramming machine for building with shock-absorbing function
CN111980411A (en) Vibrating equipment for corundum wear-resistant floor pouring
CN218206061U (en) High-performance concrete monitoring tower
CN217325308U (en) Efficient is ramming equipment for electric power engineering construction
CN217631444U (en) Dynamic compaction construction protection device
CN220364977U (en) Soil compacting device capable of preventing dust emission
CN220847792U (en) Breaking hammer with fender protection architecture
CN219569792U (en) Grille type protective railing
CN213682069U (en) Less building rammer compactor of noise
CN210341878U (en) Small-size high-efficient electric battering ram suitable for in narrow rammed earth wall
CN205035786U (en) Ramming earth device for garden engineering
CN214835322U (en) Municipal administration highway foundation ditch safety device
CN220599837U (en) Coal mine tunneling supporting device
CN217204228U (en) Highway combined type barricade reinforced structure
CN214144393U (en) Assembled concrete stand

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230919

Address after: No. 19-2-2, Daru Road, Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region, 753000

Patentee after: Ningxia Shandao Shanhe Construction Engineering Co.,Ltd.

Address before: No.5, building 5, Shuiwu Qinghua, Shahu Avenue, Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region 753099

Patentee before: China land port (Ningxia) Construction Engineering Co.,Ltd.