CN216240682U - Plug plate top bracing structure of tunnel secondary lining template - Google Patents

Plug plate top bracing structure of tunnel secondary lining template Download PDF

Info

Publication number
CN216240682U
CN216240682U CN202122905935.2U CN202122905935U CN216240682U CN 216240682 U CN216240682 U CN 216240682U CN 202122905935 U CN202122905935 U CN 202122905935U CN 216240682 U CN216240682 U CN 216240682U
Authority
CN
China
Prior art keywords
plate
supporting
seat
secondary lining
supporting 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
Application number
CN202122905935.2U
Other languages
Chinese (zh)
Inventor
王金宝
杨套
付威威
韩红星
梁振峰
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.)
Luoyang Dingtun Machinery Co.,Ltd.
Original Assignee
Henan Furui Metal Products 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 Henan Furui Metal Products Co ltd filed Critical Henan Furui Metal Products Co ltd
Priority to CN202122905935.2U priority Critical patent/CN216240682U/en
Application granted granted Critical
Publication of CN216240682U publication Critical patent/CN216240682U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lining And Supports For Tunnels (AREA)

Abstract

The utility model provides a plug plate jacking structure of a tunnel secondary lining template, which comprises a secondary lining template, an adjustable plugging plate, a jacking seat and a jacking rod, wherein the secondary lining template comprises a top panel and a lateral flange plate; the adjustable plugging plate comprises a base and a plugging plate, the bottom surface of the base is placed on the buried water stop belt, and the plugging plate is arranged above the base in a lifting manner; the top supporting rod is arranged at the right end of the upper part of the top supporting seat and is hinged with the top supporting seat, and the upper end of the top supporting rod inclines leftwards and props against the supporting inclined plane at the lower side of the right end face of the supporting block. The plug board has high structural strength, is easy to support and fix, adopts a hinged structure of the top bracing seat and the top bracing rod, is convenient to adjust, and has simple and firm structure and convenient assembly and disassembly.

Description

Plug plate top bracing structure of tunnel secondary lining template
Technical Field
The utility model relates to a tunnel construction technology, in particular to a plug plate top bracing structure of a tunnel secondary lining template.
Background
In the construction of the second lining of the tunnel, because the surrounding rock surface after primary support is uneven, a gap can exist between the axial end part of the template of the second lining trolley and the surrounding rock, when the second lining is poured, concrete overflows from the gap, if plugging is not carried out, materials are wasted, and the pouring quality of the second lining cannot be guaranteed.
In the prior art, the gaps are usually plugged by randomly prepared wood boards, and the surrounding rock ring surface has radian, and the size of the gaps is uncertain, so that the work seems simple, the actual workload is large, and the gaps are an important factor influencing the progress of the engineering.
At present, also adopt the polymer blanking plug board of liftable to carry out the shutoff, like patent 202021814421, the blanking plug board that its provided adopts and is close transparent polymer plastic material to make, and the blanking plug board can be adjusted by hand, has not only improved the efficiency of construction, still utilizes the visuality that material self has, provides comparatively audio-visual reference window for two lining pouring construction. But this product still has certain not enough, and firstly the cost of manufacture is higher, and secondly the vulnerable part can not restore after damaging, and thirdly another terminal surface that carries on the back with the plug board working face can't bear great jacking force, so the fixed stay of this product is comparatively loaded down with trivial details, has influenced the result of use to a certain extent.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the background art, the utility model aims to provide a plug plate jacking structure of a tunnel secondary lining template, which has the advantages that on one hand, the structure of a high-polymer plug plate is changed, so that the high-polymer plug plate has higher structural strength and is convenient for jacking and fixing, on the other hand, a jacking device corresponding to the plug plate is designed at the end part of the secondary lining template, the jacking step of the plug plate is simplified, and the efficiency of secondary lining construction is further improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a top bracing structure of a plugging plate of a tunnel secondary lining template comprises a secondary lining template, an adjustable plugging plate, a top bracing seat and a top bracing rod, wherein the secondary lining template comprises a top panel and a flange plate for plugging side ends, an inner arc steel template is hinged to the upper part of the outer side surface of the flange plate through a hinge lug, a buried water stop belt is arranged at the upper part of the inner arc steel template, and the top bracing seat is fixedly arranged at the lower part of the right side surface of the flange plate; the adjustable plugging plate comprises a base and a plugging plate, the bottom surface of the base is placed on the buried water stop belt, and the plugging plate is arranged above the base in a lifting manner;
the plug plate is composed of a top plate, a side plate A, a supporting block and sliding blocks, the top plate is provided with an arc-shaped top surface with a convex middle part, the side plate A is perpendicular to the axis of the arc-shaped top surface and is fixedly connected to the left end of the top plate, the supporting block is arranged in the middle of the bottom surface of the top plate, the sliding blocks are respectively arranged on two sides of the supporting block, the upper end of each sliding block is fixedly connected with the bottom surface of the top plate, and a gap A is formed between each side surface and the supporting block; gaps B are formed between the left end face of the supporting block and the left end face of the sliding block and the side plate A;
a supporting inclined plane with the upper end inclined to the right is arranged on the lower side of the right end face of the supporting block;
the top supporting rod is arranged at the right end of the upper part of the top supporting seat and is hinged with the top supporting seat, and the upper end of the top supporting rod inclines leftwards and props against the supporting inclined plane at the lower side of the right end face of the supporting block.
The base is composed of a bottom plate and a side plate B, the bottom plate is provided with an arc-shaped bottom surface with a concave middle part, the side plate B is perpendicular to the axis of the arc-shaped bottom surface and is fixedly connected to the left side of the bottom plate, the side plate B is arranged in the gap B, a positioning groove is formed in the middle part of the side plate B, and the supporting block is positioned in the positioning groove;
the supporting seats are respectively arranged on two sides of the positioning groove, vertical adjusting screws are arranged in the supporting seats and used for adjusting the height of the plug board, vertical guide rails matched with the sliding blocks are arranged on the outer sides of the supporting seats, limiting grooves are arranged in the middle of each guide rail and correspond to the guide rails, limiting rods are arranged on the sliding blocks of the plug board and are matched with the corresponding limiting grooves.
The top stay bar is composed of a seamless pipe, a screw A in threaded connection with the upper end of the seamless pipe and a screw B in threaded connection with the lower end of the seamless pipe, the lower end of the screw B is connected with the top stay seat through a hinged seat, a top stay plate is arranged at the upper end of the screw A and used for abutting against a supporting inclined plane on the lower side of the right end face of the supporting block.
The middle part of the seamless pipe is provided with a radial through hole for assisting the rotation of the seamless pipe.
A lightening groove or lightening hole is arranged in the supporting block 23, a vertical sliding groove is arranged in the sliding block, the sliding groove is matched with the guide rail, and the lightening groove or lightening hole is also arranged in the sliding groove; the limiting rod penetrates through the sliding groove.
And rib plates are connected between the side plate B and the bottom plate and are positioned on two sides of the upper surface of the bottom plate.
One side of the bottom plate is provided with an inserting groove, and the other side of the bottom plate is provided with an inserting plate matched with the inserting groove.
The top plate upper surface be equipped with both ends open-ended seal groove, the quantity of seal groove is two, the major axis of two seal grooves all is perpendicular to the axis of roof arc top surface.
The utility model has the beneficial effects that: according to the top bracing structure of the plug plate, the plug plate is matched with the base to adjust the up-down position of the plug plate, the structural strength of the plug plate is high, supporting and fixing are easy to achieve, the top bracing seat and the top bracing rod are hinged, adjustment is convenient, the whole top bracing structure is simple and firm, assembly and disassembly are convenient, and the plugging efficiency of the end parts of the two lining templates can be further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a structural schematic diagram of the top stay bar.
Fig. 3 is a schematic view showing the dispersion of the three-dimensional structure of the adjustable plugging plate.
Fig. 4 is a schematic view showing the dispersion of the planar structure of the adjustable plugging plate.
Fig. 5 is a side view of the blocking head.
Fig. 6 is a view a-a of fig. 5.
In the figure: 1. the device comprises a base, 2, a plugging plate, 3, a top support seat, 4, two lining templates, 5, a top support rod, 6 and a middle-buried water stop belt;
11. the device comprises a bottom plate 12, side plates B, 13, positioning grooves 14, a supporting seat 15, an adjusting screw rod 16, guide rails 17, a limiting groove 18 and a rib plate;
111. a plug groove 112 and a plug board;
21. the device comprises a top plate, 22, side plates A and 23, supporting blocks, 24, sliding blocks, 25, gaps A and 26, gaps B and 27, supporting inclined planes, 28, limiting rods, 29, sealing grooves, 241 and sliding grooves;
41. the panel, 42, the flange plate, 43, the inner arc steel template, 44 and the hinge lug;
51. seamless pipe, 52, screws A, 53, screws B, 54, top bracing plate, 55, through hole, 56, hinge seat.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, a plug plate top bracing structure of a tunnel secondary lining template comprises a secondary lining template 4, an adjustable plugging plate, a top bracing seat 3 and a top bracing rod 5, wherein the secondary lining template 4 comprises a top panel 41 and a right flange plate 42, an inner arc steel template 43 is hinged to the upper part of the right side of the flange plate 42 through a hinge lug 44, a middle-buried water stop 6 is arranged on the upper part of the inner arc steel template 43, and the top bracing seat 3 is fixedly arranged on the lower part of the right side of the flange plate 42; the adjustable plugging plate comprises a base 1 and a plugging plate 2, the bottom surface of the base 1 is placed on a buried water stop belt 6, and the plugging plate 2 is arranged above the base 1 in a lifting manner;
the plug board 2 is composed of a top board 21, a side board A22, a supporting block 23 and a sliding block 24, the top board 21 is provided with an arc top surface with a convex middle part, the side board A22 is perpendicular to the axis of the arc top surface and is fixedly connected to the left end of the top board 21, the supporting block 23 is arranged in the middle of the bottom surface of the top board 21, the sliding blocks 24 are respectively arranged on two sides of the supporting block 23, the upper end of the sliding block 24 is fixedly connected with the bottom surface of the top board 21, and a gap A25 is formed between the side surface and the supporting block 23; gaps B26 exist between the left end surface of the supporting block 23 and the left end surface of the slider 24 and the side plate A22;
a supporting inclined plane 27 with the upper end inclined to the right is arranged on the lower side of the right end face of the supporting block 23;
the top stay bar 5 is arranged at the right end of the upper part of the top stay seat 3 and is hinged with the top stay seat 3, and the upper end of the top stay bar 5 inclines leftwards and props against the supporting inclined plane 27 at the lower side of the right end face of the supporting block 23.
The base 1 is composed of a bottom plate 11 and a side plate B12, the bottom plate 11 is provided with an arc bottom surface with a concave middle part, the side plate B12 is perpendicular to the axis of the arc bottom surface and is fixedly connected to the left side of the bottom plate 11, the side plate B12 is arranged in a gap B26, a positioning groove 13 is arranged in the middle of the side plate B12, and the supporting block 23 is positioned in the positioning groove 13; the two sides of the positioning groove 13 are respectively provided with a supporting seat 14, a vertical adjusting screw 15 is arranged in the supporting seat 14, the adjusting screw 15 is used for adjusting the height of the plug plate 2, a vertical guide rail 16 matched with a sliding block 24 is arranged on the outer side of each supporting seat 14, a limiting groove 17 is arranged in the middle of each guide rail 16, correspondingly, a limiting rod 28 is arranged on the sliding block 24 of the plug plate 2, and the limiting rod 28 is matched with the corresponding limiting groove 17.
Specifically, the working mode and the advantages of the structure are as follows: the panel 41 and the flange plate 42 of the second lining template 4 form a main body of the second lining template 4, as shown in fig. 1, the upper part of the right side of the flange plate 42 at the right end is hinged with an inner arc steel template 43, so that the second lining template 4 is convenient to assemble, and forms a pouring cavity together with the panel 41 and the flange plate 42, before pouring, the water stop 6 is buried in the upper part of the inner arc steel template 43, and then the base 1 is placed on the buried water stop 6; the plug board 2 is arranged on the base 1, wherein a side plate B of the base 1 is in transition fit with a gap A25, a positioning groove 13 of the base 1 is in clearance fit with a supporting block 23, a guide rail 16 is matched with a sliding block 24, a supporting seat 14 is correspondingly positioned in the gap A25, and the upper end of an adjusting screw 15 can be directly contacted with the lower surface of a top plate 21; when the adjusting screw 15 rotates, the top plate 21 displaces in the vertical direction, so that the side plate A22 is driven to move, and the adjustment of the plugging height is realized; when the plugging height is adjusted, the base 1 and the plugging plate 2 need to be supported and fixed correspondingly, at the moment, the top support seat 3 is installed on the right end face of the flange plate 42 of the two lining templates 4, the top support seat 3 is fixed by bolts, the top support rod 5 is installed in the hinged seat 56 at the right end of the top support seat 3, the top support rod 5 is screwed, upward supporting collision is carried out on the supporting inclined plane 27 of the supporting block 23, and when the two lining templates are poured, the base 1 and the plugging plate 2 can be prevented from falling off from the two lining templates 4; the supporting block 23 can be designed to have a larger width in the arc-shaped circumferential direction of the top plate 21, so that the structural strength of the plugging plate can be increased, the plugging plate is not easy to damage, and the base 1 and the plugging plate 2 can be conveniently supported and fixed; the size of the top support seat 3 does not need to be too large, and the strength of the top support rod 5 can be reasonably ensured.
The supporting seat 14 is composed of a transverse plate 141 and vertical plates 142, the transverse plate 141 is fixedly connected to the upper portion of the right end face of the side plate B12, the vertical plates 142 are respectively arranged on two sides of the transverse plate 141, the upper ends of the two vertical plates 142 are respectively fixedly connected with two sides of the transverse plate 141, the lower ends of the two vertical plates 142 are fixedly connected with the upper surface of the bottom plate 11, and the side faces of the two vertical plates 142 are fixedly connected with the side plate B12;
the top support rod 5 is composed of a seamless pipe 51, a screw A52 in threaded connection with the upper end of the seamless pipe 51 and a screw B53 in threaded connection with the lower end of the seamless pipe 51, the lower end of the screw B53 is connected with the top support seat 3 through a hinged seat 56, the upper end of the screw A52 is provided with a top support plate 54, and the top support plate 54 is used for abutting against a support inclined surface 27 on the lower side of the right end face of the support block 23.
The middle part of the seamless pipe 51 is provided with a radial through hole 55 for assisting the rotation of the seamless pipe 51. Specifically, the auxiliary rod can be inserted into the through hole, so that the rotation is labor-saving.
A lightening groove or lightening hole is arranged in the supporting block 23, a vertical sliding groove 241 is arranged in the sliding block 24, the sliding groove 241 is matched with the guide rail 16, and the lightening groove or lightening hole is also arranged in the sliding groove 241; the limiting rod 28 is inserted into the sliding groove 241. Specifically, as shown in fig. 1, the right side wall of the sliding slot 241 is a slot bottom, a lightening slot or lightening hole is arranged in the slot bottom, the limiting rod 28 is vertically arranged in the slot bottom in a penetrating manner, and the position of the limiting rod is located at the lower part of the sliding slot 241.
Rib plates 18 are connected between the side plates B12 and the bottom plate 11, and the rib plates 18 are positioned on two sides of the upper surface of the bottom plate 11. The rib plates are for enhancing the structural strength.
One side of the bottom plate 11 is provided with an insertion groove 111, and the other side is provided with an insertion plate 112 matched with the insertion groove 111. Such a configuration facilitates assembly of the closure such that a plurality of bases 1 can be interconnected so as to be circumferentially disposed across the face of the ends of two lining forms.
The upper surface of the top plate 21 is provided with two sealing grooves 29 with openings at two ends, the number of the sealing grooves 29 is two, and the long axes of the two sealing grooves 29 are perpendicular to the axis of the arc-shaped top surface of the top plate 21. The sealing effect of shutoff can be improved to the design of two seal grooves.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
The present invention is not described in detail in the prior art.

Claims (8)

1. The utility model provides a two stifled board shore structures of lining template in tunnel, includes two lining templates (4), adjustable shutoff board, shore seat (3) and shore pole (5), characterized by:
the two-lining template (4) comprises a top panel (41) and a flange plate (42) for plugging the side end, an inner arc steel template (43) is hinged to the upper portion of the outer side surface of the flange plate (42) through a hinge lug (44), a buried water stop (6) is arranged on the upper portion of the inner arc steel template (43), and the top support seat (3) is fixedly arranged on the lower portion of the right side surface of the flange plate (42); the adjustable plugging plate comprises a base (1) and a plugging plate (2), the bottom surface of the base (1) is placed on the buried water stop belt (6), and the plugging plate (2) is arranged above the base (1) in a lifting manner;
the plug board (2) is composed of a top board (21), a side board A (22), a supporting block (23) and a sliding block (24), the top board (21) is provided with an arc-shaped top surface with a convex middle part, the side board A (22) is perpendicular to the axis of the arc-shaped top surface and fixedly connected to the left end of the top board (21), the supporting block (23) is arranged in the middle of the bottom surface of the top board (21), the sliding blocks (24) are respectively arranged on two sides of the supporting block (23), the upper end of the sliding block (24) is fixedly connected with the bottom surface of the top board (21), and a gap A (25) is formed between the side surface and the supporting block (23); gaps B (26) are reserved between the left end surface of the supporting block (23), the left end surface of the sliding block (24) and the side plate A (22);
a supporting inclined plane (27) with the upper end inclined to the right is arranged on the lower side of the right end face of the supporting block (23);
the top supporting rod (5) is arranged at the right end of the upper part of the top supporting seat (3) and is hinged with the top supporting seat (3), and the upper end of the top supporting rod (5) inclines leftwards and is abutted against the supporting inclined plane (27) on the lower side of the right end face of the supporting block (23).
2. The plug plate top bracing structure of the tunnel secondary lining template according to claim 1, wherein: the base (1) is composed of a bottom plate (11) and a side plate B (12), the bottom plate (11) is provided with an arc-shaped bottom surface with a concave middle part, the side plate B (12) is perpendicular to the axis of the arc-shaped bottom surface and is fixedly connected to the left side of the bottom plate (11), the side plate B (12) is arranged in a gap B (26), a positioning groove (13) is formed in the middle of the side plate B (12), and the supporting block (23) is positioned in the positioning groove (13);
be equipped with supporting seat (14) respectively in the both sides of constant head tank (13), be equipped with vertical adjusting screw (15) in supporting seat (14), adjusting screw (15) are used for adjusting the height of end plate (2), all are equipped with in the outside of every supporting seat (14) with slider (24) matched with vertical guide rail (16), and every guide rail (16) middle part all is equipped with spacing groove (17), corresponds, be equipped with gag lever post (28) on slider (24) of end plate (2), gag lever post (28) cooperate with corresponding spacing groove (17).
3. The plug plate top bracing structure of the tunnel secondary lining template according to claim 1, wherein: the jacking rod (5) is composed of a seamless pipe (51), a screw A (52) in threaded connection with the upper end of the seamless pipe (51) and a screw B (53) in threaded connection with the lower end of the seamless pipe (51), the lower end of the screw B (53) is connected with the jacking seat (3) through a hinged seat (56), a jacking plate (54) is arranged at the upper end of the screw A (52), and the jacking plate (54) is used for abutting against a supporting inclined surface (27) on the lower side of the right end face of the supporting block (23).
4. The plug plate top bracing structure of the tunnel secondary lining template according to claim 3, wherein: the middle part of the seamless pipe (51) is provided with a radial through hole (55) for assisting the rotation of the seamless pipe (51).
5. The plug plate top bracing structure of the tunnel secondary lining template according to claim 2, wherein: a lightening groove or lightening hole is formed in the supporting block (23), a vertical sliding groove (241) is formed in the sliding block (24), the sliding groove (241) is matched with the guide rail (16), and the lightening groove or lightening hole is also formed in the sliding groove (241); the limiting rod (28) penetrates through the sliding groove (241).
6. The plug plate top bracing structure of the tunnel secondary lining template according to claim 2, wherein: rib plates (18) are further connected between the side plates B (12) and the bottom plate (11), and the rib plates (18) are located on two sides of the upper surface of the bottom plate (11).
7. The plug plate top bracing structure of the tunnel secondary lining template according to claim 2, wherein: one side of the bottom plate (11) is provided with an inserting groove (111), and the other side is provided with an inserting plate (112) matched with the inserting groove (111).
8. The plug plate top bracing structure of the tunnel secondary lining template according to claim 1, wherein: the upper surface of the top plate (21) is provided with two sealing grooves (29) with openings at two ends, the number of the sealing grooves (29) is two, and the long axes of the two sealing grooves (29) are perpendicular to the axis of the arc-shaped top surface of the top plate (21).
CN202122905935.2U 2021-11-25 2021-11-25 Plug plate top bracing structure of tunnel secondary lining template Active CN216240682U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122905935.2U CN216240682U (en) 2021-11-25 2021-11-25 Plug plate top bracing structure of tunnel secondary lining template

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122905935.2U CN216240682U (en) 2021-11-25 2021-11-25 Plug plate top bracing structure of tunnel secondary lining template

Publications (1)

Publication Number Publication Date
CN216240682U true CN216240682U (en) 2022-04-08

Family

ID=80955873

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122905935.2U Active CN216240682U (en) 2021-11-25 2021-11-25 Plug plate top bracing structure of tunnel secondary lining template

Country Status (1)

Country Link
CN (1) CN216240682U (en)

Similar Documents

Publication Publication Date Title
CN206646813U (en) A kind of template system for casting concrete post
CN212506285U (en) Foundation pit supporting structure
CN111485653B (en) Prefabricated floor convenient to firm installation
CN103147764A (en) Sizing end mould plate for second lining of tunnel arch wall
CN216240682U (en) Plug plate top bracing structure of tunnel secondary lining template
CN211285584U (en) Civil engineering fundamental mode fixing device
CN207420055U (en) For the location adjusting device of steel box column scene splicing
CN216110762U (en) Adjustable plug plate for tunnel secondary lining template
CN215760460U (en) Column formwork external corner splicing structure for preventing slurry leakage
CN214834692U (en) High-strength wooden building template
CN212002243U (en) Ball curtain roof template of convenient construction
CN213742326U (en) Building engineering construction template fastener
CN212153394U (en) Recoverable scalable device that props that trades of subway station deep basal pit
CN210127028U (en) Gantry crane end well track beam and gantry crane end well track mounting assembly
CN209958724U (en) Supporting structure of scaffold support for construction site
CN113323143A (en) Building steel tube bundle supporting platform structure
CN218346191U (en) Adjustable supporting device for wall surface of single-side formwork of foundation pit
CN219932184U (en) Short side wall stubble-connecting reinforcing steel bar positioning device
CN214576264U (en) Practical prefabricated wall body
CN217680467U (en) Building aluminum formwork assembles with to pulling-on piece convenient to loading and unloading
CN218715088U (en) Shaping template for buttress of roof exhaust pipe
CN218779533U (en) Prefabricated apron of leading confined of late poured band is subsided to basement roof
CN219548376U (en) Side form formwork device
CN219327085U (en) Grouting head for pile foundation
CN218028983U (en) High-strength building template capable of preventing slurry leakage

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: 20230801

Address after: 471100 Yao Ao Village, Chaoyang Town, Mengjin County, Luoyang City, Henan Province

Patentee after: Luoyang Dingtun Machinery Co.,Ltd.

Address before: 471131 courtyard 1, Sancai Avenue, Chaoyang Town, Mengjin County, Luoyang City, Henan Province

Patentee before: Henan Furui metal products Co.,Ltd.