Crack pouring gun for bridge crack maintenance
By fixing the protective support spring and anti-detachment plate on the fixed cover of the seam filling gun, the problem of lack of support structure at the connection between the seam filling gun and the conveying hose is solved, preventing the delivery hose from bent, extending the service life and promoting the smooth delivery of the seam filling liquid.
Patent Information
- Application Number
- CN202520940928.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2035-05-14
AI Technical Summary
The lack of support structure at the connection between the existing seam filling gun and the conveying hose, which leads to excessive bending of the conveying hose, causing damage, and is not conducive to the transport of seam filling liquid.
A seam filling gun for bridge crack maintenance is designed, and a protective support spring is fixed on the fixed cover at the rear end of the seam outside the seam drum to elastically support the material conveying hose to prevent excessive bending, and multiple arc-shaped anti-detachment baffles are welded and fixed on the positioning recess to prevent the support spring from falling off.
Effectively prevent excessive bending of the feed hose, extend its service life, and facilitate the smooth delivery of the filling fluid.
Smart Images
Figure CN223003302U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of crack maintenance equipment, and particularly relates to a caulking gun for bridge crack maintenance. Background Art
[0002] During the use of a bridge, there are sometimes many cracks on the bridge road surface. In order to extend the normal service life of the bridge road surface, it is necessary to use a caulking machine to perform caulking maintenance on the cracks. The caulking machine includes a caulking machine body and a delivery hose connected to its liquid outlet. The delivery hose is connected with a caulking gun. The maintenance personnel hold the caulking gun and aim it at the cracks for caulking maintenance. However, at present, there is no support structure at the connection between the caulking gun and the delivery hose, resulting in the delivery hose at the connection being easily bent excessively, causing damage to the delivery hose and being unfavorable for the delivery of caulking liquid. Content of the Utility Model
[0003] The utility model mainly solves the technical problems in the above background art, and provides a caulking gun for bridge crack maintenance.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme. A caulking gun for bridge crack maintenance includes a caulking inner tube. A caulking outer gun barrel is fixedly arranged on the outer side of the caulking inner tube. A square material blocking cover is fixed at the front end of the caulking inner tube. A material delivery hose is fixedly connected to the rear end of the caulking inner tube. A flared fixed cover is fixed at the rear end of the caulking outer gun barrel. A straight section is arranged at the rear end of the fixed cover. A positioning concave platform is arranged on the straight section. A protective support spring is sleeved on the outer side of the front end of the material delivery hose. The front end of the protective support spring is sleeved on the positioning concave platform. A plurality of arc-shaped anti-detachment baffles are evenly welded and fixed on the outer side wall at the rear end of the positioning concave platform.
[0005] As a preference, a front handle is fixed at the middle top of the caulking outer gun barrel, and a rear handle is fixed at the rear top of the caulking outer gun barrel, which is convenient for holding the caulking gun to perform caulking.
[0006] As a preference, an inverted U-shaped binding fixing ring is fixed on the outer side wall of the caulking outer gun barrel. When the caulking gun is placed on the caulking machine, the caulking gun can be fixed on the caulking machine by passing a binding band through the binding fixing ring.
[0007] As a preference, a reduced-diameter shrinkage port welded and fixed on the outer wall of the caulking inner tube is arranged at the front end of the caulking outer gun barrel. A support ring is fixed on the outer side wall at the rear end of the caulking inner tube. The inner wall of the support ring is fixed on the inner side wall of the caulking outer gun barrel. A heat preservation layer is filled between the caulking inner tube and the caulking outer gun barrel, which can better perform heat preservation. The outer end of the caulking inner tube is connected with the material delivery hose.
[0008] As a preference, the material conveying flexible hose includes a material conveying inner flexible hose, and a protective heat-insulating outer sleeve is arranged on the outer side of the material conveying inner flexible hose. The material conveying inner flexible hose is sleeved and fixed at the outer end of the caulking inner pipe, which facilitates the fixation of the material conveying inner flexible hose and the caulking inner pipe.
[0009] As a preference, a reinforcing member is arranged on the protective heat-insulating outer sleeve at the outer side of the connection between the material conveying inner flexible hose and the caulking inner pipe, making the connection between the material conveying inner flexible hose and the caulking inner pipe more firm.
[0010] As a preference, a valve is arranged on the caulking inner pipe at the rear end of the material blocking cover, which can control the opening and closing of the caulking.
[0011] As a preference, a reinforcing rib plate is welded and fixed on the outer side of the variable-diameter shrinkage port of the outer caulking gun barrel. At the bottom of the front end of the reinforcing rib plate, there are a first reinforcing fixing plate and a second reinforcing fixing plate. The front side wall of the first reinforcing fixing plate is welded and fixed on the rear side wall of the material blocking cover, and the rear side wall of the second reinforcing fixing plate is welded and fixed on the front end wall of the outer caulking gun barrel, increasing the overall strength of the material blocking cover and better preventing the material blocking cover from being damaged.
[0012] The utility model has the following beneficial effects:
[0013] By fixing a protective support spring on the fixing cover at the rear end of the outer caulking gun barrel, the material conveying flexible hose can be elastically supported, better preventing the material conveying flexible hose from being excessively bent and damaged, and being beneficial to the conveying of the caulking liquid. The front end of the protective support spring can be sleeved on the outer wall of the positioning concave platform, and the front end part abuts against the step of the positioning concave platform, enabling the quick positioning and installation of the protective support spring. The setting of the anti-disengagement baffle can better prevent the protective support spring sleeved on the positioning concave platform from falling off. Description of the Drawings
[0014] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary. For those of ordinary skill in the art, without creative efforts, other implementation drawings can be obtained according to the provided drawings.
[0015] The structures, ratios, sizes, etc. disclosed in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have technical essence. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.
[0016] Figure 1 It is a structural schematic diagram of the present utility model;
[0017] Figure 2 Schematic cross-sectional structure diagram at the fixed cover
[0018] Figure 3 Schematic structure diagram at the fixed cover and the anti-disengagement baffle
[0019] Figure 4 Schematic side structure diagram of the fixed cover and the anti-disengagement baffle
[0020] Figure 5 Schematic structure diagram at the reinforcing rib plate
[0021] Legend: 1. Material baffle; 2. Inner grouting pipe; 3. Outer grouting gun barrel; 4. Front handle; 5. Binding fixing ring; 6. Rear handle; 7. Fixed cover; 8. Protective and heat-insulating outer sleeve; 9. Protective support spring; 10. Anti-disengagement baffle; 11. Positioning concave platform; 12. Heat-insulating layer; 13. Inner flexible material conveying hose; 14. Reinforcement; 15. Support ring; 16. Reinforcing rib plate; 17. Second reinforcing fixing plate; 18. First reinforcing fixing plate; 19. Valve Specific implementation mode
[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention
[0023] Embodiment 1, as shown in Figure 1 - to Figure 5 , the present invention is a grouting gun for bridge crack maintenance, including an inner grouting pipe 2. An outer grouting gun barrel 3 is fixedly arranged on the outer side of the inner grouting pipe 2. A square material baffle 1 is fixed at the front end of the inner grouting pipe 2. The material baffle 1 is a square frame structure. The inner area of the material baffle 1 is communicated with the inner grouting pipe 2. The rear end of the inner grouting pipe 2 is fixedly connected with a material conveying hose. A trumpet-shaped fixed cover 7 is fixed at the rear end of the outer grouting gun barrel 3. A straight section is arranged at the rear end of the fixed cover 7. A positioning concave platform 11 is arranged on the straight section. A protective support spring 9 is sleeved on the outer side of the front end of the material conveying hose. The front end of the protective support spring 9 is sleeved on the positioning concave platform 11. A plurality of arc-shaped anti-disengagement baffles 10 are uniformly welded and fixed on the outer side wall of the rear end of the positioning concave platform 11
[0024] During operation, the maintenance personnel hold the outer gun barrel 3 of the crack sealer, place the bottom of the material baffle 1 on the road surface at the bridge crack, and then the crack sealer conveys the crack-sealing liquid to the feeding hose. The crack-sealing liquid enters the inner pipe 2 of the crack sealer through the feeding hose and then enters the inner side of the material baffle 1. Due to the obstruction of the material baffle 1, the crack-sealing liquid is prevented from spreading outward. At this time, the crack-sealing liquid will flow into the crack. Then, move the outer gun barrel 3 of the crack sealer. When moving, make the material baffle 1 move along the direction of the crack. Since the protective support spring 9 is provided, it can elastically support the feeding hose to prevent the feeding hose from being bent excessively.
[0025] Embodiment 2: On the basis of Embodiment 1, a front handle 4 is fixed to the middle top of the outer gun barrel 3 of the crack sealer, and a rear handle 6 is fixed to the top of the rear end of the outer gun barrel 3 of the crack sealer. During maintenance, the maintenance personnel hold the front handle 4 with one hand and the rear handle 6 with the other hand, which can facilitate the movement of the crack sealer gun.
[0026] A U-shaped binding and fixing ring 5 is fixed to the outer side wall of the outer gun barrel 3 of the crack sealer. When it is necessary to place the crack sealer gun on the crack sealer, a strap can be passed through the binding and fixing ring 5 and then tied to the crack sealer.
[0027] The front end of the outer gun barrel 3 of the crack sealer is provided with a reduced-diameter shrinkage port welded to the outer wall of the inner pipe 2 of the crack sealer. A support ring 15 is fixed to the outer side wall of the rear end of the inner pipe 2 of the crack sealer. The inner wall of the support ring 15 is fixed to the inner side wall of the outer gun barrel 3 of the crack sealer. A heat-insulating layer 12 is filled between the inner pipe 2 of the crack sealer and the outer gun barrel 3 of the crack sealer. The outer end of the inner pipe 2 of the crack sealer is connected to the feeding hose. When the protective support spring 9 is installed and fixed, first, the front end of the protective support spring 9 is sleeved on the positioning concave platform 11, and the end abuts against the step of the positioning concave platform 11. Then, the end of the protective support spring 9 is welded and fixed to the fixing cover 7. Then, an anti-disengagement baffle 10 is welded and fixed to the right side of the protective support spring 9 at the positioning concave platform 11.
[0028] The feeding hose includes a feeding inner hose 13. A protective and heat-insulating outer sleeve 8 is provided outside the feeding inner hose 13. The feeding inner hose 13 is sleeved and fixed at the outer end of the inner pipe 2 of the crack sealer. The inner hole of the feeding inner hose 13 and the outer wall of the inner pipe 2 of the crack sealer are in interference fit.
[0029] A reinforcing member 14 is provided on the protective and heat-insulating outer sleeve 8 outside the connection between the feeding inner hose 13 and the inner pipe 2 of the crack sealer. The reinforcing member 14 can be a hoop, a clamping ring or a binding band. The reinforcing member 14 can be used to clamp and fix the feeding hose. The fixing cover 7 can adopt a detachable structure, that is, it is provided with a mutually matching annular concave platform and annular convex platform, and the connection between the annular concave platform and the annular convex platform is fixed by screw connection.
[0030] A valve 19 is provided on the inner pipe 2 of the crack sealer at the rear end of the material baffle 1.
[0031] A reinforcing rib plate 16 is welded and fixed to the outside of the variable-diameter shrinkage opening of the outer gun barrel 3 for caulking. At the bottom of the front end of the reinforcing rib plate 16, there are a first reinforcing fixing plate 18 and a second reinforcing fixing plate 17. The front side wall of the first reinforcing fixing plate 18 is welded and fixed to the rear side wall of the material baffle 1, and the rear side wall of the second reinforcing fixing plate 17 is welded and fixed to the front end wall of the outer gun barrel 3 for caulking. One end of the reinforcing rib plate 16 close to the outer gun barrel 3 for caulking is arc-shaped, and arc-shaped opening grooves for avoiding the inner caulking pipe 2 are provided at the bottoms of both the first reinforcing fixing plate 18 and the second reinforcing fixing plate 17.
[0032] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A caulking gun for bridge crack maintenance, comprising a caulking inner tube (2), a caulking outer gun barrel (3) fixedly provided on the outer side of the caulking inner tube (2), a square material blocking cover (1) fixedly provided on the front end of the caulking inner tube (2), and a material delivery hose fixedly connected to the rear end of the caulking inner tube (2), characterized in that: A flared fixed cover (7) is fixed to the rear end of the caulking outer gun barrel (3), a straight section is provided at the rear end of the fixed cover (7), a positioning recess (11) is provided on the straight section, a protective support spring (9) is sleeved on the outer side of the front end of the material delivery hose, the front end of the protective support spring (9) is sleeved on the positioning recess (11), and a plurality of arc-shaped anti-slip baffles (10) are uniformly welded and fixed on the outer side wall of the rear end of the positioning recess (11).
2. The caulking gun for bridge crack maintenance according to claim 1 is characterized in that: A front handle (4) is fixed to the middle top of the seam-filling outer gun barrel (3), and a rear handle (6) is fixed to the rear end top of the seam-filling outer gun barrel (3).
3. The caulking gun for bridge crack maintenance according to claim 1 is characterized in that: An inverted U-shaped tying and fixing ring (5) is fixed on the outer side wall of the caulking outer gun barrel (3).
4. The caulking gun for bridge crack maintenance according to claim 1 is characterized in that: The front end of the caulking outer barrel (3) is provided with a reducing port welded and fixed to the outer wall of the caulking inner tube (2); a support ring (15) is fixed to the outer wall of the rear end of the caulking inner tube (2); the inner wall of the support ring (15) is fixed to the inner wall of the caulking outer barrel (3); a heat-insulating layer (12) is filled between the caulking inner tube (2) and the caulking outer barrel (3); and the outer end of the caulking inner tube (2) is connected to a material delivery hose.
5. The caulking gun for bridge crack maintenance according to claim 4 is characterized in that: The material delivery hose comprises an inner material delivery hose (13), the outer side of which is provided with a protective heat-insulating outer sleeve (8), and the inner material delivery hose (13) is sleeved and fixed on the outer end of the caulking inner tube (2).
6. The caulking gun for bridge crack maintenance according to claim 5, characterized in that: A reinforcing member (14) is provided on the protective heat-insulating outer sleeve (8) outside the connection between the material conveying inner hose (13) and the caulking inner pipe (2).
7. The caulking gun for bridge crack maintenance according to claim 1 is characterized in that: A valve (19) is provided on the caulking inner pipe (2) at the rear end of the material blocking cover (1).
8. The caulking gun for bridge crack maintenance according to claim 4 is characterized in that: A reinforcing rib plate (16) is welded and fixed to the outer side of the reducing and shrinking opening of the caulking outer gun barrel (3), and a reinforcing fixing plate 1 (18) and a reinforcing fixing plate 2 (17) are provided at the bottom of the front end of the reinforcing rib plate (16). The front side wall of the reinforcing fixing plate 1 (18) is welded and fixed to the rear side wall of the material blocking cover (1), and the rear side wall of the reinforcing fixing plate 2 (17) is welded and fixed to the front end wall of the caulking outer gun barrel (3).